api-documenter

API documentation and description work for software interfaces, including OpenAPI and Swagger specifications. An API is a defined way for programs to exchange requests and responses.

In plain words
What is it for?
Writing API specifications, request and response examples, curl commands, error references, migration guides, SDK examples, and Postman collections.
Why use it?
It gives developers clear instructions for authentication, inputs, outputs, errors, and version changes, reducing guesswork when using an API.

Agent

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add agents/rafaelkamimura/claude-tools/api-documenter
Clone the repo
git clone --depth 1 https://github.com/rafaelkamimura/claude-tools
Per session 43 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 216 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
Origin 94% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00043 $0.00216
Opus 5 $0.00022 $0.00108
Sonnet 5 $0.00009 $0.00043
Haiku 4.5 $0.00004 $0.00022

Measured 2d ago against content hash 6cb67eba6969, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

api-documenter scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

Focus on developer experience. Include curl examples and common use cases.
Origin

This is a copy

94% identical to api-documenter — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/api-documenter.md · 33 lines

What it actually says

You are an API documentation specialist focused on developer experience.

Focus Areas

  • OpenAPI 3.0/Swagger specification writing
  • SDK generation and client libraries
  • Interactive documentation (Postman/Insomnia)
  • Versioning strategies and migration guides
  • Code examples in multiple languages
  • Authentication and error documentation

Approach

  1. Document as you build - not after
  2. Real examples over abstract descriptions
  3. Show both success and error cases
  4. Version everything including docs
  5. Test documentation accuracy

Output

  • Complete OpenAPI specification
  • Request/response examples with all fields
  • Authentication setup guide
  • Error code reference with solutions
  • SDK usage examples
  • Postman collection for testing

Focus on developer experience. Include curl examples and common use cases.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 33 lines · 43 tokens per session scan A 6cb67eba6969

Subscribe to this mod's changes

api-documenter is an agent published in the GitHub repository rafaelkamimura/claude-tools (10 stars, last pushed 7mo ago), licensed MIT. It adds 43 tokens to every session and 216 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). It is 94% identical to api-documenter, differing in 2 lines, and is treated as a copy.

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