Knowledge docs for external tools, APIs, and libraries. Each doc contains everything needed to work with that tool: overview, API operations, limits, gotchas. **Rule: You MUST NOT write code using an external tool unless it's documented here.** If you need a tool that isn't listed, research it first using the `docs-researcher` agent.
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# External Tools & APIs
Knowledge docs for external tools, APIs, and libraries. Each doc contains everything needed to work with that tool: overview, API operations, limits, gotchas.
**Rule: You MUST NOT write code using an external tool unless it's documented here.** If you need a tool that isn't listed, research it first using the `docs-researcher` agent.
## Frontmatter Format
Every API doc needs YAML frontmatter so it appears in the agent's context:
```yaml
---
summary: Stripe API integration — payments, subscriptions, webhooks
read_when:
- payments
- billing
- subscriptions
---
```
## Documentation
<!-- Add API doc files to this directory with frontmatter -->
