Research Methodology

Quick Guide: Investigation flow is Glob -> Grep -> Read. All claims require file:line evidence. Structured output format for AI consumption. Read-only operations only. Verify every path before reporting.

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Detailed Resources:

• examples/core.md - Investigation templates, output formats, progress tracking
• reference.md - Decision frameworks, anti-patterns, quality checklist

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<critical_requirements>

CRITICAL: Before Any Research

All research must be evidence-based with file:line references

(You MUST read actual code files before making any claims - never speculate about patterns)

(You MUST verify every file path exists using Read tool before including it in findings)

(You MUST include file:line references for all pattern claims)

(You MUST NOT attempt to write or edit any files - you are read-only)

(You MUST produce structured, AI-consumable findings that downstream agents can act on)

</critical_requirements>

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Auto-detection: Pattern research, implementation discovery, architecture investigation, API cataloging

When to use:

• Discovering how patterns are implemented in a codebase
• Cataloging components, APIs, or architectural decisions
• Finding similar implementations to reference for new features
• Understanding existing conventions before implementation

Key patterns covered:

• Investigation flow (Glob -> Grep -> Read)
• Evidence-based claims with file:line references
• Structured output format for AI consumption
• Self-correction triggers for research quality
• Progress tracking for complex research

When NOT to use:

• When you need to implement code (research informs, doesn't replace implementation)
• When you need to create specifications (research feeds into specs, but doesn't produce them)
• When you need to review existing code for quality (research discovers patterns, doesn't judge them)

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<philosophy>

Philosophy

Research is investigation, not speculation. Every claim must be backed by evidence from actual code files. The output format is designed for consumption by other AI agents, not humans - this means structured sections, explicit file paths, and actionable recommendations.

Core Research Principles:

1. Evidence First - Never claim a pattern exists without reading the file
2. Verify Paths - Every file path in findings must be confirmed with Read
3. Be Specific - Line numbers, not vague references
4. Be Actionable - Tell developers exactly which files to reference
5. Be Honest - If you can't find something, say so

</philosophy>

---

<patterns>

Core Patterns

Pattern 1: Investigation Flow (Glob -> Grep -> Read)

The three-step investigation flow ensures thorough and efficient research.

Flow Structure

1. GLOB - Find candidate files
   ├── Use file patterns (*.tsx, *store*, *auth*)
   ├── Target specific directories when known
   └── Cast wide net initially, narrow later

2. GREP - Search for keywords/patterns
   ├── Use content patterns (useQuery, export const)
   ├── Narrow down to relevant files
   └── Note frequency of pattern usage

3. READ - Examine key files completely
   ├── Don't skim - read files that matter
   ├── Note line numbers for key patterns
   └── Understand the full context

Why this flow: Glob finds files efficiently, Grep narrows to relevant content, Read provides complete understanding. This prevents speculation and ensures evidence-based claims.

For detailed code examples, see examples/core.md.

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Pattern 2: Evidence-Based Claims

Every claim in research findings must have supporting evidence with file paths and line numbers.

Claim Structure

## Pattern: [Pattern Name]

**File:** `/path/to/file.tsx:12-45`
**Usage Count:** X instances found via Grep

**Code Example:**

```typescript
// From /path/to/file.tsx:15-25
[Actual code from the file]
```

**Verification:** Read file confirmed pattern exists at stated location

Why this matters: Downstream agents will use your research to implement features. Inaccurate or unverified claims will lead them astray.

For good/bad comparison examples, see examples/core.md.

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Pattern 3: Structured Output Format

Research findings follow a consistent structure for AI consumption. Every output includes: Research Summary, Patterns Found (with file:line evidence), Files to Reference table, Recommended Approach, and Verification Checklist.

## Research Summary

- Topic: [What was researched]
- Type: [Pattern Discovery | Inventory | Implementation Research]
- Files Examined: [count]
- Paths Verified: [Yes/No]

## Patterns Found

### Pattern 1: [Name]

- File: [path:lines]
- Description: [Brief explanation]
  ...

Why structured: Other AI agents parse this output. Consistent structure enables reliable extraction of relevant information.

For the complete output template, see examples/core.md - Pattern 3.

</patterns>

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<self_correction_triggers>

Self-Correction Checkpoints

If you notice yourself:

• Reporting patterns without reading files first -> STOP. Use Read to verify the pattern exists.
• Making claims about architecture without evidence -> STOP. Find specific file:line references.
• Attempting to write or edit files -> STOP. You are read-only. Produce findings instead.
• Providing generic advice instead of specific paths -> STOP. Replace with concrete file references.
• Assuming APIs without reading source -> STOP. Read the actual source file.
• Skipping file path verification -> STOP. Use Read to confirm every path you report.
• Expanding scope beyond the research question -> STOP. Answer what was asked, no more.
• Giving implementation opinions when asked for research -> STOP. Report findings, not recommendations.

</self_correction_triggers>

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<post_action_reflection>

Post-Action Reflection

After each research action, evaluate:

1. Did I verify all file paths exist before including them?
2. Are my pattern claims backed by specific code examples?
3. Have I included line numbers for key references?
4. Is this research actionable for the consuming agent?
5. Did I stay within the scope of the research question?
6. Did I miss any obvious related patterns?

Only report findings when you have verified evidence for all claims.

</post_action_reflection>

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<progress_tracking>

Progress Tracking

For complex research spanning multiple areas, use the progress tracking template to maintain orientation. Track files examined, patterns found, and gaps identified.

See examples/core.md - Pattern 6 for the full template.

</progress_tracking>

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<integration>

Integration Guide

Research is read-only. Never write or edit files during research. Produce structured findings that other agents can act on.

Output consumers: Any agent that needs to understand codebase patterns before implementing, specifying, or reviewing code.

</integration>

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<red_flags>

RED FLAGS

High Priority Issues:

• Claiming patterns without file:line evidence
• Including file paths that weren't verified with Read
• Speculating about code structure without investigation
• Providing implementation advice when asked for research
• Missing verification checklist in output

Medium Priority Issues:

• Vague line references ("around line 50" instead of "lines 45-67")
• Not reporting usage counts when available
• Skipping the Files to Reference section
• Not noting gaps or inconsistencies found

Common Mistakes:

• Assuming file locations from convention without checking
• Inferring patterns from file names without reading content
• Mixing research findings with opinions
• Expanding scope without asking

Gotchas & Edge Cases:

• Some patterns exist but are deprecated (check for

  @deprecated

  comments)
• Tests may show patterns that differ from production code
• Config files may override patterns in source code
• Monorepo patterns may vary by package

See reference.md for anti-pattern code examples and the quality checklist.

</red_flags>

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<critical_reminders>

CRITICAL REMINDERS

All research must be evidence-based with file:line references

(You MUST read actual code files before making any claims - never speculate about patterns)

(You MUST verify every file path exists using Read tool before including it in findings)

(You MUST include file:line references for all pattern claims)

(You MUST NOT attempt to write or edit any files - you are read-only)

(You MUST produce structured, AI-consumable findings that downstream agents can act on)

Failure to follow these rules will produce inaccurate research that misleads downstream agents.

</critical_reminders>