Claude-skill-registry claudemem-search
⚡ PRIMARY TOOL for semantic code search AND structural analysis. NEW: AST tree navigation with map, symbol, callers, callees, context commands. PageRank ranking. ANTI-PATTERNS: Reading files without mapping, Grep for 'how does X work', Modifying without caller analysis.
git clone https://github.com/majiayu000/claude-skill-registry
T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/claudemem-search" ~/.claude/skills/majiayu000-claude-skill-registry-claudemem-search && rm -rf "$T"
skills/data/claudemem-search/SKILL.mdClaudemem Semantic Code Search Expert (v0.6.0)
This Skill provides comprehensive guidance on leveraging claudemem v0.7.0+ with AST-based structural analysis, code analysis commands, and framework documentation for intelligent codebase understanding.
What's New in v0.3.0
┌─────────────────────────────────────────────────────────────────┐ │ CLAUDEMEM v0.3.0 ARCHITECTURE │ ├─────────────────────────────────────────────────────────────────┤ │ │ │ ┌───────────────────────────────────────────────────────────┐ │ │ │ AST STRUCTURAL LAYER ⭐NEW │ │ │ │ Tree-sitter Parse → Symbol Graph → PageRank Ranking │ │ │ │ map | symbol | callers | callees | context │ │ │ └───────────────────────────────────────────────────────────┘ │ │ ↓ │ │ ┌───────────────────────────────────────────────────────────┐ │ │ │ SEARCH LAYER │ │ │ │ Query → Embed → Vector Search + BM25 → Ranked Results │ │ │ └───────────────────────────────────────────────────────────┘ │ │ ↓ │ │ ┌───────────────────────────────────────────────────────────┐ │ │ │ INDEX LAYER │ │ │ │ AST Parse → Chunk → Embed → LanceDB + Symbol Graph │ │ │ └───────────────────────────────────────────────────────────┘ │ │ │ └─────────────────────────────────────────────────────────────────┘
Key Innovation: Structural Understanding
v0.3.0 adds AST tree navigation with symbol graph analysis:
- PageRank ranking - Symbols ranked by importance (how connected they are)
- Call graph analysis - Track callers/callees for impact assessment
- Structural overview - Map the codebase before reading code
Quick Reference
# Always run with --nologo for clean output claudemem --nologo <command> # Core commands for agents claudemem map [query] # Get structural overview (repo map) claudemem symbol <name> # Find symbol definition claudemem callers <name> # What calls this symbol? claudemem callees <name> # What does this symbol call? claudemem context <name> # Full context (symbol + dependencies) claudemem search <query> # Semantic search with --raw for parsing claudemem search <query> --map # Search + include repo map context
Version Compatibility
Claudemem has evolved significantly. Check your version before using commands:
claudemem --version
Command Availability by Version
| Command | Minimum Version | Status | Purpose |
|---|---|---|---|
| v0.3.0 | ✅ Available | Architecture overview with PageRank |
| v0.3.0 | ✅ Available | Find exact file:line location |
| v0.3.0 | ✅ Available | What calls this symbol? |
| v0.3.0 | ✅ Available | What does this symbol call? |
| v0.3.0 | ✅ Available | Full call chain (callers + callees) |
| v0.3.0 | ✅ Available | Semantic vector search |
| v0.4.0+ | ⚠️ Check version | Find unused symbols |
| v0.4.0+ | ⚠️ Check version | Find high-importance untested code |
| v0.4.0+ | ⚠️ Check version | BFS transitive caller analysis |
| v0.7.0+ | ✅ Available | Framework documentation fetching |
Version Detection in Scripts
# Get version number VERSION=$(claudemem --version 2>/dev/null | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | head -1) # Check if v0.4.0+ features available if [ -n "$VERSION" ] && printf '%s\n' "0.4.0" "$VERSION" | sort -V -C; then # v0.4.0+ available claudemem --nologo dead-code --raw claudemem --nologo test-gaps --raw claudemem --nologo impact SymbolName --raw else echo "Code analysis commands require claudemem v0.4.0+" echo "Current version: $VERSION" echo "Fallback to v0.3.0 commands (map, symbol, callers, callees)" fi
Graceful Degradation
When using v0.4.0+ commands, always provide fallback:
# Try impact analysis (v0.4.0+), fallback to callers (v0.3.0) IMPACT=$(claudemem --nologo impact SymbolName --raw 2>/dev/null) if [ -n "$IMPACT" ] && [ "$IMPACT" != "command not found" ]; then echo "$IMPACT" else echo "Using fallback (direct callers only):" claudemem --nologo callers SymbolName --raw fi
Why This Matters:
- v0.3.0 commands work for 90% of use cases (navigation, modification)
- v0.4.0+ commands are specialized (code analysis, cleanup planning)
- Scripts should work across versions with appropriate fallbacks
The Correct Workflow ⭐CRITICAL
Phase 1: Understand Structure First (ALWAYS DO THIS)
Before reading any code files, get the structural overview:
# For a specific task, get focused repo map claudemem --nologo map "authentication flow" --raw # Output shows relevant symbols ranked by importance (PageRank): # file: src/auth/AuthService.ts # line: 15-89 # kind: class # name: AuthService # pagerank: 0.0921 # signature: class AuthService # --- # file: src/middleware/auth.ts # ...
This tells you:
- Which files contain relevant code
- Which symbols are most important (high PageRank = heavily used)
- The structure before you read actual code
Phase 2: Locate Specific Symbols
Once you know what to look for:
# Find exact location of a symbol claudemem --nologo symbol AuthService --raw # Output: # file: src/auth/AuthService.ts # line: 15-89 # kind: class # name: AuthService # signature: class AuthService implements IAuthProvider # exported: true # pagerank: 0.0921 # docstring: Handles user authentication and session management
Phase 3: Understand Dependencies
Before modifying code, understand what depends on it:
# What calls AuthService? (impact of changes) claudemem --nologo callers AuthService --raw # Output: # caller: LoginController.authenticate # file: src/controllers/login.ts # line: 34 # kind: call # --- # caller: SessionMiddleware.validate # file: src/middleware/session.ts # line: 12 # kind: call
# What does AuthService call? (its dependencies) claudemem --nologo callees AuthService --raw # Output: # callee: Database.query # file: src/db/database.ts # line: 45 # kind: call # --- # callee: TokenManager.generate # file: src/auth/tokens.ts # line: 23 # kind: call
Phase 4: Get Full Context
For complex modifications, get everything at once:
claudemem --nologo context AuthService --raw # Output includes: # [symbol] # file: src/auth/AuthService.ts # line: 15-89 # kind: class # name: AuthService # ... # [callers] # caller: LoginController.authenticate # ... # [callees] # callee: Database.query # ...
Phase 5: Search for Code (Only If Needed)
When you need actual code snippets:
# Semantic search claudemem --nologo search "password hashing" --raw # Search with repo map context (recommended for complex tasks) claudemem --nologo search "password hashing" --map --raw
Output Format
All commands support
--raw flag for machine-readable output:
# Raw output format (line-based, easy to parse) file: src/core/indexer.ts line: 45-120 kind: class name: Indexer signature: class Indexer pagerank: 0.0842 exported: true --- file: src/core/store.ts line: 12-89 kind: class name: VectorStore ...
Records are separated by
---. Each field is key: value on its own line.
Command Reference
claudemem map [query]
Get structural overview of the codebase. Optionally focused on a query.
# Full repo map (top symbols by PageRank) claudemem --nologo map --raw # Focused on specific task claudemem --nologo map "authentication" --raw # Limit tokens claudemem --nologo map "auth" --tokens 500 --raw
Output fields: file, line, kind, name, signature, pagerank, exported
When to use: Always first - understand structure before reading code
claudemem symbol <name>
Find a symbol by name. Disambiguates using PageRank and export status.
claudemem --nologo symbol Indexer --raw claudemem --nologo symbol "search" --file retriever --raw # hint which file
Output fields: file, line, kind, name, signature, pagerank, exported, docstring
When to use: When you know the symbol name and need exact location
claudemem callers <name>
Find all symbols that call/reference the given symbol.
claudemem --nologo callers AuthService --raw
Output fields: caller (name), file, line, kind (call/import/extends/etc)
When to use: Before modifying anything - know the impact radius
claudemem callees <name>
Find all symbols that the given symbol calls/references.
claudemem --nologo callees AuthService --raw
Output fields: callee (name), file, line, kind
When to use: To understand dependencies and trace data flow
claudemem context <name>
Get full context: the symbol plus its callers and callees.
claudemem --nologo context Indexer --raw claudemem --nologo context Indexer --callers 10 --callees 20 --raw
Output sections: [symbol], [callers], [callees]
When to use: For complex modifications requiring full awareness
claudemem search <query>
Semantic search across the codebase.
claudemem --nologo search "error handling" --raw claudemem --nologo search "error handling" --map --raw # include repo map claudemem --nologo search "auth" -n 5 --raw # limit results
Output fields: file, line, kind, name, score, content (truncated)
When to use: When you need actual code snippets (after mapping)
Code Analysis Commands (v0.4.0+ Required)
claudemem dead-code
Find unused symbols in the codebase.
# Find all unused symbols claudemem --nologo dead-code --raw # Stricter threshold (only very low PageRank) claudemem --nologo dead-code --max-pagerank 0.005 --raw # Include exported symbols (usually excluded) claudemem --nologo dead-code --include-exported --raw
Algorithm:
- Zero callers (nothing references the symbol)
- Low PageRank (< 0.001 default)
- Not exported (by default, exports may be used externally)
Output fields: file, line, kind, name, pagerank, last_caller_removed
When to use: Architecture cleanup, tech debt assessment, before major refactoring
Empty Result Handling:
RESULT=$(claudemem --nologo dead-code --raw) if [ -z "$RESULT" ] || [ "$RESULT" = "No dead code found" ]; then echo "Codebase is clean - no dead code detected!" echo "This indicates good code hygiene." else echo "$RESULT" fi
Static Analysis Limitations:
- Dynamic imports (
) may hide real callersimport() - Reflection-based access not captured
- External callers (other repos, CLI usage) not visible
- Exported symbols excluded by default for this reason
claudemem test-gaps
Find high-importance code without test coverage.
# Find all test coverage gaps claudemem --nologo test-gaps --raw # Only critical gaps (high PageRank) claudemem --nologo test-gaps --min-pagerank 0.05 --raw
Algorithm:
- High PageRank (> 0.01 default) - Important code
- Zero callers from test files (*.test.ts, *.spec.ts, *_test.go)
Output fields: file, line, kind, name, pagerank, production_callers, test_callers
When to use: Test coverage analysis, QA planning, identifying critical gaps
Empty Result Handling:
RESULT=$(claudemem --nologo test-gaps --raw) if [ -z "$RESULT" ] || [ "$RESULT" = "No test gaps found" ]; then echo "Excellent! All high-importance code has test coverage." echo "Consider lowering --min-pagerank threshold for additional coverage." else echo "$RESULT" fi
Static Analysis Limitations:
- Test file detection based on naming patterns only
- Integration tests calling code indirectly may not be detected
- Mocked dependencies may show false positives
claudemem impact <symbol>
Analyze the impact of changing a symbol using BFS traversal.
# Get all transitive callers claudemem --nologo impact UserService --raw # Limit depth for large codebases claudemem --nologo impact UserService --max-depth 5 --raw
Algorithm:
- BFS traversal from symbol to all transitive callers
- Groups results by depth level
- Shows file:line for each caller
Output sections: direct_callers, transitive_callers (with depth), grouped_by_file
When to use: Before ANY modification, refactoring planning, risk assessment
Empty Result Handling:
RESULT=$(claudemem --nologo impact FunctionName --raw) if [ -z "$RESULT" ] || echo "$RESULT" | grep -q "No callers found"; then echo "No callers found - this symbol appears unused or is an entry point." echo "If unused, consider running: claudemem --nologo dead-code --raw" echo "If entry point (API handler, main), this is expected." else echo "$RESULT" fi
Static Analysis Limitations:
- Callback/event-based calls may not be detected
- Dependency injection containers hide static call relationships
- External service callers not visible
LLM Enrichment Document Types (v0.2.0+)
Claudemem v0.2.0+ supports LLM-enriched semantic search with specialized document types.
Document Types
| Type | Purpose | Generated By |
|---|---|---|
| Function behavior, params, returns, side effects | LLM analysis |
| File purpose, exports, architectural patterns | LLM analysis |
| Common patterns in codebase | Pattern detection |
| How to use APIs | Documentation extraction |
| What NOT to do | Static analysis + LLM |
| Project-level documentation | README, CLAUDE.md |
Navigation Mode
For agent-optimized search with document type weighting:
# Navigation-focused search (prioritizes summaries) claudemem --nologo search "authentication" --use-case navigation --raw # Default search (balanced) claudemem --nologo search "authentication" --raw
Navigation mode search weights:
: 1.5x (higher priority)symbol_summary
: 1.3x (higher priority)file_summary
: 1.0x (normal)code_chunk
: 1.2x (higher for pattern discovery)idiom
Symbol Summary Fields
symbol: AuthService.authenticate file: src/services/auth.ts line: 45-89 behavior: "Validates user credentials and generates JWT token" params: - name: credentials type: LoginCredentials description: "Email and password from login form" returns: type: AuthResult description: "JWT token and user profile on success, error on failure" side_effects: - "Updates user.lastLogin timestamp" - "Logs authentication attempt" - "May trigger rate limiting"
File Summary Fields
file: src/services/auth.ts purpose: "Core authentication service handling login, logout, and session management" exports: - AuthService (class) - authenticate (function) - validateToken (function) patterns: - "Dependency Injection (constructor takes IUserRepository)" - "Factory Pattern (createSession)" - "Strategy Pattern (IAuthProvider interface)" dependencies: - bcrypt (password hashing) - jsonwebtoken (JWT generation) - UserRepository (user data access)
Using Document Types in Investigation
# Find function behavior without reading code claudemem --nologo search "processPayment behavior" --use-case navigation --raw # Output includes symbol_summary: # symbol: PaymentService.processPayment # behavior: "Charges customer card via Stripe and saves transaction" # side_effects: ["Updates balance", "Sends receipt email", "Logs to audit"] # Find file purposes for architecture understanding claudemem --nologo search "file:services purpose" --use-case navigation --raw # Find anti-patterns to avoid claudemem --nologo search "anti_pattern SQL" --raw
Regenerating Enrichments
If codebase changes significantly:
# Re-index with LLM enrichment claudemem index --enrich # Or enrich specific files claudemem enrich src/services/payment.ts
Workflow Templates
Standardized investigation patterns for common scenarios. All templates include error handling for empty results and version compatibility checks.
Template 1: Bug Investigation
Trigger: "Why is X broken?", "Find bug", "Root cause"
# Step 1: Locate the symptom SYMBOL=$(claudemem --nologo symbol FunctionFromStackTrace --raw) if [ -z "$SYMBOL" ]; then echo "Symbol not found - check spelling or run: claudemem --nologo map 'related keywords' --raw" exit 1 fi # Step 2: Get full context (callers + callees) claudemem --nologo context FunctionFromStackTrace --raw # Step 3: Trace backwards to find root cause claudemem --nologo callers suspectedSource --raw # Step 4: Check full impact of the bug (v0.4.0+) IMPACT=$(claudemem --nologo impact BuggyFunction --raw 2>/dev/null) if [ -n "$IMPACT" ]; then echo "$IMPACT" else echo "Impact analysis requires claudemem v0.4.0+ or no callers found" echo "Fallback: claudemem --nologo callers BuggyFunction --raw" fi # Step 5: Read identified file:line ranges # Fix bug, verify callers still work # Step 6: Document impacted code for testing
Output Template:
## Bug Investigation Report **Symptom:** [Description] **Root Cause:** [Location and explanation] **Call Chain:** [How we got here] **Impact Radius:** [What else is affected] **Fix Applied:** [What was changed] **Verification:** [Tests run, callers checked]
Template 2: New Feature Implementation
Trigger: "Add feature", "Implement X", "Extend functionality"
# Step 1: Map the feature area MAP=$(claudemem --nologo map "feature area keywords" --raw) if [ -z "$MAP" ]; then echo "No matches found - try broader keywords" fi # Step 2: Identify extension points claudemem --nologo callees ExistingFeature --raw # Step 3: Get full context for modification point claudemem --nologo context ModificationPoint --raw # Step 4: Check existing patterns to follow claudemem --nologo search "similar pattern" --use-case navigation --raw # Step 5: Implement following existing patterns # Step 6: Check test coverage gaps (v0.4.0+) GAPS=$(claudemem --nologo test-gaps --raw 2>/dev/null) if [ -n "$GAPS" ]; then echo "Test gaps to address:" echo "$GAPS" else echo "test-gaps requires v0.4.0+ or no gaps found" fi
Output Template:
## Feature Implementation Plan **Feature:** [Description] **Extension Point:** [Where to add] **Dependencies:** [What it needs] **Pattern to Follow:** [Existing similar code] **Test Requirements:** [Coverage needs]
Template 3: Refactoring
Trigger: "Rename X", "Extract function", "Move code", "Refactor"
# Step 1: Find the symbol to refactor SYMBOL=$(claudemem --nologo symbol SymbolToRename --raw) if [ -z "$SYMBOL" ]; then echo "Symbol not found - check exact name" exit 1 fi # Step 2: Get FULL impact (all transitive callers) (v0.4.0+) IMPACT=$(claudemem --nologo impact SymbolToRename --raw 2>/dev/null) if [ -n "$IMPACT" ]; then echo "$IMPACT" # (impact output includes grouped_by_file) else echo "Using fallback (direct callers only):" claudemem --nologo callers SymbolToRename --raw fi # Step 3: Group by file for systematic updates # Step 4: Update each caller location systematically # Step 5: Verify all callers updated claudemem --nologo callers NewSymbolName --raw # Step 6: Run affected tests
Output Template:
## Refactoring Report **Original:** [Old name/location] **Target:** [New name/location] **Direct Callers:** [Count] **Transitive Callers:** [Count] **Files Modified:** [List] **Verification:** [All callers updated, tests pass]
Template 4: Architecture Understanding
Trigger: "How does X work?", "Explain architecture", "Onboarding"
# Step 1: Get full structural map MAP=$(claudemem --nologo map --raw) if [ -z "$MAP" ]; then echo "Index may be empty - run: claudemem index" exit 1 fi echo "$MAP" # Step 2: Identify architectural pillars (PageRank > 0.05) # Document top 5 by PageRank # Step 3: For each pillar, get full context claudemem --nologo context PillarSymbol --raw # Step 4: Trace major flows via callees claudemem --nologo callees EntryPoint --raw # Step 5: Identify dead code (cleanup opportunities) (v0.4.0+) DEAD=$(claudemem --nologo dead-code --raw 2>/dev/null) if [ -n "$DEAD" ]; then echo "Dead code found:" echo "$DEAD" else echo "No dead code found (or v0.4.0+ required)" fi # Step 6: Identify test gaps (risk areas) (v0.4.0+) GAPS=$(claudemem --nologo test-gaps --raw 2>/dev/null) if [ -n "$GAPS" ]; then echo "Test gaps:" echo "$GAPS" else echo "No test gaps found (or v0.4.0+ required)" fi
Output Template:
## Architecture Report **Core Abstractions (PageRank > 0.05):** 1. [Symbol] - [Role in system] 2. [Symbol] - [Role in system] 3. [Symbol] - [Role in system] **Layer Structure:**
[Presentation Layer] | [Business Layer] | [Data Layer]
**Major Flows:** - [Flow 1: Entry -> Processing -> Output] - [Flow 2: Entry -> Processing -> Output] **Health Indicators:** - Dead Code: [Count] symbols - Test Gaps: [Count] high-importance untested - Tech Debt: [Summary]
Template 5: Security Audit
Trigger: "Security review", "Audit authentication", "Check permissions"
# Step 1: Map security-related code claudemem --nologo map "auth permission security token" --raw # Step 2: Find authentication entry points SYMBOL=$(claudemem --nologo symbol authenticate --raw) if [ -z "$SYMBOL" ]; then echo "No 'authenticate' symbol - try: login, verify, validate" fi claudemem --nologo callers authenticate --raw # Step 3: Trace authentication flow claudemem --nologo callees authenticate --raw # Step 4: Check authorization patterns claudemem --nologo map "authorize permission check guard" --raw # Step 5: Find sensitive data handlers claudemem --nologo map "password hash token secret key" --raw # Step 6: Check for test coverage on security code (v0.4.0+) GAPS=$(claudemem --nologo test-gaps --min-pagerank 0.01 --raw 2>/dev/null) if [ -n "$GAPS" ]; then # Filter for security-related symbols echo "$GAPS" | grep -E "(auth|login|password|token|permission|secret)" fi
Output Template:
## Security Audit Report **Authentication:** - Entry Points: [List] - Flow: [Description] - Gaps: [Issues found] **Authorization:** - Permission Checks: [Where implemented] - Coverage: [All routes covered?] **Sensitive Data:** - Password Handling: [How stored/compared] - Token Management: [Generation/validation] - Secrets: [How managed] **Test Coverage:** - Security Code Coverage: [X%] - Critical Gaps: [List] **Recommendations:** 1. [Priority 1 fix] 2. [Priority 2 fix]
Static Analysis Limitations
Claudemem uses static AST analysis. Some patterns are not captured:
Dynamic Imports
// NOT visible to static analysis const module = await import(`./modules/${name}`);
Result: May show as "dead code" but is actually used dynamically. Action: Mark as "Potentially Dead - Manual Review"
External Callers
// Exported for external use export function publicAPI() { ... }
Result: May show 0 callers but used by other repositories. Action: Use
--include-exported carefully, or mark as "Externally Called - Manual Review Required"
Reflection/Eval
// NOT visible to static analysis const fn = obj[methodName](); eval("functionName()");
Result: Callers not detected. Action: Search codebase for
eval, Object.keys, bracket notation.
Event-Driven Code
// NOT visible as direct callers emitter.on('event', handler); document.addEventListener('click', onClick);
Result:
handler and onClick may show 0 callers.
Action: Check for event registration patterns.
Dependency Injection
// Container registration hides relationships container.register(IService, ServiceImpl);
Result:
ServiceImpl may show 0 callers.
Action: Check DI container configuration.
Scenarios
Scenario 1: Bug Fix
Task: "Fix the null pointer exception in user authentication"
# Step 1: Get overview of auth-related code claudemem --nologo map "authentication null pointer" --raw # Step 2: Locate the specific symbol mentioned in error claudemem --nologo symbol authenticate --raw # Step 3: Check what calls it (to understand how it's used) claudemem --nologo callers authenticate --raw # Step 4: Read the actual code at the identified location # Now you know exactly which file:line to read
Scenario 2: Add New Feature
Task: "Add rate limiting to the API endpoints"
# Step 1: Understand API structure claudemem --nologo map "API endpoints rate" --raw # Step 2: Find the main API handler claudemem --nologo symbol APIController --raw # Step 3: See what the API controller depends on claudemem --nologo callees APIController --raw # Step 4: Check if rate limiting already exists somewhere claudemem --nologo search "rate limit" --raw # Step 5: Get full context for the modification point claudemem --nologo context APIController --raw
Scenario 3: Refactoring
Task: "Rename DatabaseConnection to DatabasePool"
# Step 1: Find the symbol claudemem --nologo symbol DatabaseConnection --raw # Step 2: Find ALL callers (these all need updating) claudemem --nologo callers DatabaseConnection --raw # Step 3: The output shows every file:line that references it # Update each location systematically
Scenario 4: Understanding Unfamiliar Codebase
Task: "How does the indexing pipeline work?"
# Step 1: Get high-level structure claudemem --nologo map "indexing pipeline" --raw # Step 2: Find the main entry point (highest PageRank) claudemem --nologo symbol Indexer --raw # Step 3: Trace the flow - what does Indexer call? claudemem --nologo callees Indexer --raw # Step 4: For each major callee, get its callees claudemem --nologo callees VectorStore --raw claudemem --nologo callees FileTracker --raw # Now you have the full pipeline traced
Token Efficiency Guide
| Action | Token Cost | When to Use |
|---|---|---|
(focused) | ~500 | Always first - understand structure |
| ~50 | When you know the name |
| ~100-500 | Before modifying anything |
| ~100-500 | To understand dependencies |
| ~200-800 | For complex modifications |
| ~1000-3000 | When you need actual code |
| ~1500-4000 | For unfamiliar codebases |
Optimal order: map → symbol → callers/callees → search (only if needed)
This pattern typically uses 80% fewer tokens than blind exploration.
Integration Pattern for Agents
For maximum efficiency, follow this pattern:
1. RECEIVE TASK ↓ 2. claudemem --nologo map "<task keywords>" --raw → Understand structure, identify key symbols ↓ 3. claudemem --nologo symbol <high-pagerank-symbol> --raw → Get exact location ↓ 4. claudemem --nologo callers <symbol> --raw (if modifying) → Know the impact radius ↓ 5. claudemem --nologo callees <symbol> --raw (if needed) → Understand dependencies ↓ 6. READ specific file:line ranges (not whole files) ↓ 7. MAKE CHANGES with full awareness ↓ 8. CHECK callers still work
PageRank: Understanding Symbol Importance
PageRank measures how "central" a symbol is in the codebase:
| PageRank | Meaning | Action |
|---|---|---|
| > 0.05 | Core abstraction | Understand this first - everything depends on it |
| 0.01-0.05 | Important symbol | Key functionality, worth understanding |
| 0.001-0.01 | Standard symbol | Normal code, read as needed |
| < 0.001 | Utility/leaf | Helper functions, read only if directly relevant |
Why PageRank matters:
- High-PageRank symbols are heavily used → understand them first
- Low-PageRank symbols are utilities → read later if needed
- Focus on high-PageRank symbols to understand architecture quickly
🔴 ANTI-PATTERNS (DO NOT DO THESE)
╔══════════════════════════════════════════════════════════════════════════════╗ ║ COMMON MISTAKES TO AVOID ║ ╠══════════════════════════════════════════════════════════════════════════════╣ ║ ║ ║ ❌ Anti-Pattern 1: Blind File Reading ║ ║ → BAD: cat src/core/*.ts | head -1000 ║ ║ → GOOD: claudemem --nologo map "your task" --raw ║ ║ → WHY: Wastes tokens on irrelevant code, misses important files ║ ║ ║ ║ ❌ Anti-Pattern 2: Grep Without Context ║ ║ → BAD: grep -r "Database" src/ ║ ║ → GOOD: claudemem --nologo symbol Database --raw ║ ║ → WHY: Grep returns string matches, not semantic relationships ║ ║ ║ ║ ❌ Anti-Pattern 3: Modifying Without Impact Analysis ║ ║ → BAD: Edit src/auth/tokens.ts without knowing callers ║ ║ → GOOD: claudemem --nologo callers generateToken --raw FIRST ║ ║ → WHY: Changes may break callers you don't know about ║ ║ ║ ║ ❌ Anti-Pattern 4: Searching Before Mapping ║ ║ → BAD: claudemem search "fix the bug" --raw ║ ║ → GOOD: claudemem --nologo map "feature" --raw THEN search ║ ║ → WHY: Search results lack context without structural understanding ║ ║ ║ ║ ❌ Anti-Pattern 5: Ignoring PageRank ║ ║ → BAD: Read every file that matches "Database" ║ ║ → GOOD: Focus on high-PageRank symbols first ║ ║ → WHY: Low-PageRank = utilities, High-PageRank = core abstractions ║ ║ ║ ║ ❌ Anti-Pattern 6: Not Using --nologo ║ ║ → BAD: claudemem search "query" (includes ASCII art) ║ ║ → GOOD: claudemem --nologo search "query" --raw ║ ║ → WHY: Logo and decorations make parsing unreliable ║ ║ ║ ╚══════════════════════════════════════════════════════════════════════════════╝
Anti-Pattern vs Correct Pattern Summary
| Anti-Pattern | Why It's Wrong | Correct Pattern |
|---|---|---|
| Read files blindly | No ranking, token waste | first, then read specific lines |
| No semantic understanding | |
| Modify without callers | Breaking changes | before any modification |
| Search immediately | No structural context | → → → search |
| Treat all symbols equal | Miss core abstractions | Focus on high-PageRank first |
The Correct Workflow Diagram
┌─────────────────────────────────────────────────────────────────┐ │ CORRECT INVESTIGATION FLOW (v0.3.0) │ ├─────────────────────────────────────────────────────────────────┤ │ │ │ 1. claudemem --nologo map "task" --raw │ │ → Understand structure, find high-PageRank symbols │ │ │ │ 2. claudemem --nologo symbol <name> --raw │ │ → Get exact file:line location │ │ │ │ 3. claudemem --nologo callers <name> --raw │ │ → Know impact radius BEFORE modifying │ │ │ │ 4. claudemem --nologo callees <name> --raw │ │ → Understand dependencies │ │ │ │ 5. Read specific file:line ranges (NOT whole files) │ │ │ │ 6. Make changes with full awareness │ │ │ │ ⚠️ NEVER: Start with Read/Glob for semantic questions │ │ ⚠️ NEVER: Modify without checking callers │ │ ⚠️ NEVER: Search without mapping first │ │ │ └─────────────────────────────────────────────────────────────────┘
Installation & Setup
Check Installation
# Check if claudemem CLI is available which claudemem || command -v claudemem # Check version (must be 0.3.0+) claudemem --version
Installation Options
# npm (recommended) npm install -g claude-codemem # Homebrew (macOS) brew tap MadAppGang/claude-mem && brew install --cask claudemem
Index Codebase
# Index current project claudemem index # Check status claudemem --version && ls -la .claudemem/index.db 2>/dev/null
Framework Documentation (v0.7.0+) ⭐NEW
Claudemem v0.7.0+ includes automatic framework documentation fetching for your project dependencies. Documentation is indexed alongside your code, enabling unified semantic search across both.
Quick Reference
# Core documentation commands claudemem docs status # Show indexed libraries and cache state claudemem docs fetch # Fetch docs for all detected dependencies claudemem docs fetch react vue # Fetch specific libraries claudemem docs providers # List available documentation providers claudemem docs refresh # Force refresh all cached documentation claudemem docs clear # Clear all documentation cache claudemem docs clear react # Clear specific library cache
Documentation Providers
Claudemem uses a provider hierarchy with automatic fallback:
| Priority | Provider | Coverage | Requirements |
|---|---|---|---|
| 1 (Best) | Context7 | 6000+ libraries with versioned code examples | API key (free tier available) |
| 2 | llms.txt | Official AI-friendly docs from framework sites | Free, no key needed |
| 3 | DevDocs | Consistent offline documentation, 100+ languages | Free, no key needed |
Dependency Detection
Claudemem automatically detects dependencies from:
| File | Ecosystem | Example |
|---|---|---|
| npm/yarn | React, Vue, Express |
| Python/pip | Django, FastAPI, Pandas |
| Go | Gin, Echo, GORM |
| Rust | Tokio, Actix, Serde |
Setup
# Option 1: Run init (includes docs configuration) claudemem init # Option 2: Configure Context7 manually (optional, for best coverage) export CONTEXT7_API_KEY=your_key # Get free API key at: https://context7.com/dashboard
Usage Examples
# Check current documentation status claudemem docs status # Output: # 📚 Documentation Status # # Enabled: Yes # Providers: Context7, llms.txt, DevDocs # Libraries: 12 indexed # Cache Age: 2h 15m # # Indexed Libraries: # react (v18) via Context7 - 145 chunks # typescript (v5) via Context7 - 89 chunks # express (v4) via llms.txt - 34 chunks # ... # Fetch documentation for all project dependencies claudemem docs fetch # Output: # 📚 Fetching Documentation # # [1/8] react... ✓ 145 chunks via Context7 # [2/8] typescript... ✓ 89 chunks via Context7 # [3/8] express... ✓ 34 chunks via llms.txt # [4/8] lodash... ✓ 67 chunks via DevDocs # ... # Fetch specific library claudemem docs fetch fastapi # View available providers claudemem docs providers # Force refresh (clears cache, refetches) claudemem docs refresh
Unified Search (Code + Documentation)
After indexing documentation,
claudemem search returns results from both your codebase and framework documentation:
claudemem --nologo search "how to use React hooks" --raw # Output includes: # --- Your Code --- # file: src/components/UserProfile.tsx # line: 12-45 # kind: function # name: useUserProfile # score: 0.89 # content: Custom hook for user profile management... # --- # --- React Documentation --- # library: react # section: Hooks Reference # title: useEffect # score: 0.87 # content: The useEffect Hook lets you perform side effects... # --- # library: react # section: Hooks Reference # title: useState # score: 0.85 # content: useState is a Hook that lets you add state...
When to Use Documentation Commands
| Scenario | Command | Why |
|---|---|---|
| New project setup | | Index docs for all dependencies |
| Learning new library | | Get searchable reference |
| Updated dependencies | | Refresh to get new versions |
| Check what's indexed | | View cache state |
| Clear space | | Remove cached documentation |
Integration with Investigation Workflow
Add documentation fetch to your investigation workflow:
# ENHANCED Investigation Workflow (v0.7.0+) # Step 0: Ensure framework docs are available (one-time) claudemem docs status || claudemem docs fetch # Step 1: Map architecture (now includes library patterns) claudemem --nologo map "authentication" --raw # Step 2: Search both code AND framework docs claudemem --nologo search "JWT token validation" --raw # Returns: your auth code + library docs on JWT handling # Step 3: Understand how the library recommends usage claudemem --nologo search "react best practices hooks" --raw # Returns: your patterns + React official guidance
Version Information
The
claudemem docs command requires v0.7.0+. Check your version:
claudemem --version # Expected: 0.7.0 or higher
Note: If
claudemem docs help returns "Unknown command", upgrade your claudemem installation.
Index Freshness Check (v0.5.0)
Before proceeding with investigation, verify the index is current:
# Count files modified since last index STALE_COUNT=$(find . -type f \( -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.jsx" -o -name "*.py" -o -name "*.go" -o -name "*.rs" \) \ -newer .claudemem/index.db 2>/dev/null | grep -v "node_modules" | grep -v ".git" | grep -v "dist" | grep -v "build" | wc -l) STALE_COUNT=$((STALE_COUNT + 0)) # Normalize to integer if [ "$STALE_COUNT" -gt 0 ]; then # Get index time with explicit platform detection if [[ "$OSTYPE" == "darwin"* ]]; then INDEX_TIME=$(stat -f "%Sm" -t "%Y-%m-%d %H:%M" .claudemem/index.db 2>/dev/null) else INDEX_TIME=$(stat -c "%y" .claudemem/index.db 2>/dev/null | cut -d'.' -f1) fi INDEX_TIME=${INDEX_TIME:-"unknown time"} # Use AskUserQuestion to ask user how to proceed # Options: [1] Reindex now (Recommended), [2] Proceed with stale index, [3] Cancel fi
AskUserQuestion Template:
AskUserQuestion({ questions: [{ question: `${STALE_COUNT} files have been modified since the last index (${INDEX_TIME}). The claudemem index may be outdated, which could cause missing or incorrect results. How would you like to proceed?`, header: "Index Freshness Warning", multiSelect: false, options: [ { label: "Reindex now (Recommended)", description: "Run claudemem index to update. Takes ~1-2 minutes." }, { label: "Proceed with stale index", description: "Continue investigation. May miss recent code changes." }, { label: "Cancel investigation", description: "I'll handle this manually." } ] }] })
Result Validation Guidelines
After Every Command
- Check exit code - Non-zero indicates failure
- Check for empty results - May need reindex or different query
- Validate relevance - Results should match query semantics
Validation Examples
# map validation RESULTS=$(claudemem --nologo map "authentication" --raw) EXIT_CODE=$? if [ "$EXIT_CODE" -ne 0 ]; then echo "ERROR: claudemem command failed" # Diagnose index health DIAGNOSIS=$(claudemem --version && ls -la .claudemem/index.db 2>&1) # Use AskUserQuestion fi if [ -z "$RESULTS" ]; then echo "WARNING: No results found - may need reindex or different query" # Use AskUserQuestion fi if ! echo "$RESULTS" | grep -qi "auth\|login\|user\|session"; then echo "WARNING: Results may not be relevant to authentication query" # Use AskUserQuestion fi # symbol validation RESULTS=$(claudemem --nologo symbol UserService --raw) if ! echo "$RESULTS" | grep -q "name: UserService"; then echo "WARNING: UserService not found - check spelling or reindex" # Use AskUserQuestion fi # search validation RESULTS=$(claudemem --nologo search "error handling" --raw) MATCH_COUNT=0 for kw in error handling catch try; do if echo "$RESULTS" | grep -qi "$kw"; then MATCH_COUNT=$((MATCH_COUNT + 1)) fi done if [ "$MATCH_COUNT" -lt 2 ]; then echo "WARNING: Results may not be relevant to error handling query" # Use AskUserQuestion fi
FALLBACK PROTOCOL
CRITICAL: Never use grep/find/Glob without explicit user approval.
If claudemem fails or returns irrelevant results:
- STOP - Do not silently switch to grep/find
- DIAGNOSE - Run
to check index healthclaudemem status - COMMUNICATE - Tell user what happened
- ASK - Get explicit user permission via AskUserQuestion
// Fallback AskUserQuestion Templates AskUserQuestion({ questions: [{ question: "claudemem [command] failed or returned no relevant results. How should I proceed?", header: "Investigation Issue", multiSelect: false, options: [ { label: "Reindex codebase", description: "Run claudemem index (~1-2 min)" }, { label: "Try different query", description: "Rephrase the search" }, { label: "Use grep (not recommended)", description: "Traditional search - loses semantic understanding" }, { label: "Cancel", description: "Stop investigation" } ] }] })
Grep Fallback Warning:
If user explicitly chooses grep fallback, display this warning:
## WARNING: Using Fallback Search (grep) You have chosen to use grep as a fallback. Please understand the limitations: | Feature | claudemem | grep | |---------|-----------|------| | Semantic understanding | Yes | No | | Call graph analysis | Yes | No | | Symbol relationships | Yes | No | | PageRank ranking | Yes | No | | False positives | Low | High | **Recommendation:** After completing this task, run `claudemem index` to rebuild the index for future investigations. Proceeding with grep...
See ultrathink-detective skill for complete Fallback Protocol documentation.
Quality Checklist
Before completing a claudemem workflow, ensure:
- claudemem CLI is installed (v0.3.0+)
- Codebase is indexed (check with
)claudemem status - Checked index freshness before starting ⭐NEW in v0.5.0
- Started with
to understand structure ⭐CRITICALmap - Used
for all commands--nologo --raw - Validated results after every command ⭐NEW in v0.5.0
- Checked
before modifying any symbolcallers - Focused on high-PageRank symbols first
- Read only specific file:line ranges (not whole files)
- Never silently switched to grep ⭐NEW in v0.5.0
Notes
- Requires OpenRouter API key for embeddings (https://openrouter.ai)
- Default model:
(best code understanding)voyage/voyage-code-3 - All data stored locally in
directory.claudemem/ - Tree-sitter provides AST parsing for TypeScript, Go, Python, Rust
- PageRank based on symbol call graph analysis
- Can run as MCP server with
flag--mcp - Initial indexing takes ~1-2 minutes for typical projects
- NEW in v0.3.0:
,map
,symbol
,callers
,callees
commandscontext - NEW in v0.3.0: PageRank ranking for symbol importance
- NEW in v0.3.0:
output format for machine parsing--raw - NEW in v0.4.0:
,dead-code
,test-gaps
commands for code analysisimpact - NEW in v0.4.0: BFS traversal for transitive caller analysis
- NEW in v0.7.0:
command for framework documentation fetchingdocs - NEW in v0.7.0: Context7, llms.txt, DevDocs documentation providers
- NEW in v0.7.0: Unified search across code AND framework documentation
- NEW in v0.7.0: Auto-detection of dependencies from package.json, requirements.txt, go.mod, Cargo.toml
Maintained by: Jack Rudenko @ MadAppGang Plugin: code-analysis v2.8.0 Last Updated: December 2025 (v0.6.0 - Framework documentation support)