Claude-code-plugins-plus shopify-advanced-troubleshooting

install

source · Clone the upstream repo

git clone https://github.com/jeremylongshore/claude-code-plugins-plus-skills

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/jeremylongshore/claude-code-plugins-plus-skills "$T" && mkdir -p ~/.claude/skills && cp -r "$T/plugins/saas-packs/shopify-pack/skills/shopify-advanced-troubleshooting" ~/.claude/skills/jeremylongshore-claude-code-plugins-plus-shopify-advanced-troubleshooting && rm -rf "$T"

manifest: plugins/saas-packs/shopify-pack/skills/shopify-advanced-troubleshooting/SKILL.md

Shopify Advanced Troubleshooting

Overview

Deep debugging for complex Shopify API issues: cost analysis with debug headers, webhook delivery inspection, GraphQL query introspection, and systematic isolation of intermittent failures.

Prerequisites

Access to Shopify admin and Partner Dashboard
Familiarity with GraphQL and HTTP debugging
```
curl
```
and
```
jq
```
available

Instructions

Step 1: GraphQL Cost Analysis

When queries THROTTLE unexpectedly, use the cost debug header by adding

Shopify-GraphQL-Cost-Debug: 1

to your request. The response

extensions.cost

reveals why a query is expensive.

Key:

requestedQueryCost

first

multiplied through nested connections.

50 products * 20 variants * (1 + 5 metafields)

= high cost even if actual data is small.

Step 2: Trace a Specific Request

Every Shopify response includes

X-Request-Id

. Capture it for support escalation:

curl -v -X POST "https://$STORE/admin/api/2025-04/graphql.json" \
  -H "X-Shopify-Access-Token: $TOKEN" \
  -H "Content-Type: application/json" \
  -d '{"query": "{ shop { name } }"}' 2>&1 | tee /tmp/shopify-debug.txt

grep -i "x-request-id" /tmp/shopify-debug.txt

Step 3: Webhook Delivery Inspection

Inspect webhook delivery status in the Partner Dashboard, or query subscription health via API.

See Webhook Status Query for the complete query and common delivery failure patterns.

Step 4: GraphQL Introspection for API Version Differences

Use introspection queries to check if specific fields or mutations exist in your API version. Query

__type

for field lists or

__schema

for available mutations filtered by prefix.

Step 5: Systematic Isolation

Run a layer-by-layer diagnostic that tests DNS, TCP, TLS, HTTP, GraphQL, and rate limit state independently.

See Layer-by-Layer Diagnostic for the complete shell script.

Step 6: Debug Intermittent Failures

Wrap Shopify calls in a debug logger that captures timing, cost, and error data for pattern analysis.

See Debug Intermittent Failures for the complete TypeScript implementation.

Output

Query cost breakdown identifying expensive fields
Request IDs captured for Shopify support
Webhook delivery health verified
Layer-by-layer isolation identifying failure point
Debug log with timing patterns for intermittent issues

Error Handling

Issue	Root Cause Pattern	Solution
Random THROTTLED errors	`requestedQueryCost` spikes on specific queries	Reduce `first:` and nested depth
Webhooks stop arriving	SSL certificate expired	Renew cert, check webhook subscriptions
502 errors on GraphQL	Shopify infrastructure blip	Retry with backoff, capture X-Request-Id
Slow responses (> 5s)	Complex query with metafields	Remove `metafields` or reduce page size
Data inconsistency	Race condition between webhook and query	Use `updatedAt` filter, add idempotency

Examples

Diagnosing Intermittent 502 Errors

A store experiences random 502 errors on product sync queries. Use the debug wrapper to capture timing and cost data across 100 requests, then analyze the pattern.