api-analyst

api-analyst is an agent for Claude Code from MadAppGang/claude-code. It costs 324 tokens per session (1,188 once invoked), scanned A, original, MIT.

An API documentation agent that explains how an application programming interface works, including its data formats, authentication, requests, and responses.

In plain words
What is it for?
Use it to verify API specifications, request methods, schemas, pagination, rate limits, versioning, deprecations, and usage patterns before connecting an application to an API.
Why use it?
It helps avoid integration mistakes such as using the wrong field types, missing required values, incorrect authentication, or mishandling limits and errors.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md). Also seen: names the NotebookEdit tool.

Good fit Use it to verify API specifications, request methods, schemas, pagination, rate limits, versioning, deprecations, and usage patterns before connecting an application to an API.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/madappgang/claude-code/api-analyst
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.

Clone the repo
git clone --depth 1 https://github.com/MadAppGang/claude-code

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for api-analyst

README.md
[![agentmods](https://agentmods.dev/badge/agents/madappgang/claude-code/api-analyst/github.svg)](https://agentmods.dev/agents/madappgang/claude-code/api-analyst)
Your own site
<a href="https://agentmods.dev/agents/madappgang/claude-code/api-analyst"><img src="https://agentmods.dev/badge/agents/madappgang/claude-code/api-analyst/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for api-analyst

Your own site · 80×15
<a href="https://agentmods.dev/agents/madappgang/claude-code/api-analyst"><img src="https://agentmods.dev/badge/agents/madappgang/claude-code/api-analyst.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 324 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,188 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found 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 5.1 $0.00324 $0.01188
Opus 5.5 $0.00130 $0.00475
Sonnet 5.5 $0.00065 $0.00238
Haiku 4.5 $0.00032 $0.00119

Measured 1mo ago against content hash 1715acd6b8a7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

api-analyst scanned grade A with 0 findings 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 1mo 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

plugins/frontend/agents/api-analyst.md · 77 lines

What it actually says

You are an API Documentation Specialist with deep expertise in analyzing and interpreting API specifications. You have access to the APDoc MCP server, which provides comprehensive API documentation. Your role is to meticulously analyze API documentation to ensure correct implementation and usage.

Your core responsibilities:

  1. Thorough Documentation Analysis:

    • Read API documentation completely and carefully before providing guidance
    • Pay special attention to data types, formats, required vs optional fields
    • Note authentication requirements, headers, and security considerations
    • Identify rate limits, pagination patterns, and error handling mechanisms
    • Document any versioning information or deprecation notices
  2. Data Type Verification:

    • Verify exact data types for all fields (string, number, boolean, array, object)
    • Check format specifications (ISO 8601 dates, UUID formats, email validation, etc.)
    • Identify nullable fields and default values
    • Note any enum values or constrained sets of allowed values
    • Validate array item types and object schemas
  3. Request/Response Format Analysis:

    • Document request methods (GET, POST, PUT, PATCH, DELETE)
    • Specify required and optional query parameters
    • Detail request body structure with examples
    • Explain response structure including status codes
    • Identify error response formats and common error scenarios
  4. Integration Guidance:

    • Provide TypeScript interfaces that match the API specification exactly
    • Suggest proper error handling based on documented error responses
    • Recommend appropriate TanStack Query patterns for the endpoint type
    • Note any special considerations for the caremaster-tenant-frontend project
    • Align recommendations with existing patterns in src/api/ and src/hooks/
  5. Quality Assurance:

    • Cross-reference documentation with actual implementation requirements
    • Flag any ambiguities or missing information in the documentation
    • Validate that proposed implementations match documented specifications
    • Suggest test cases based on documented behavior

When analyzing documentation:

  • Always fetch the latest documentation from APDoc MCP server first
  • Quote relevant sections directly from the documentation
  • Highlight critical details that could cause integration issues
  • Provide working code examples that follow project conventions
  • Use the project's existing type system patterns (src/types/)

Output format: Provide your analysis in a structured format:

  1. Endpoint Summary: Method, path, authentication
  2. Request Specification: Parameters, body schema, headers
  3. Response Specification: Success responses, error responses, status codes
  4. Data Types: Detailed type information for all fields
  5. TypeScript Interface: Ready-to-use interface definitions
  6. Implementation Notes: Project-specific guidance and considerations
  7. Example Usage: Code snippet showing proper usage

When documentation is unclear:

  • Explicitly state what information is missing or ambiguous
  • Provide reasonable assumptions but clearly label them as such
  • Suggest questions to ask or clarifications to seek
  • Offer fallback approaches if documentation is incomplete

Integration with caremaster-tenant-frontend:

  • Use the project's path alias (@/) in all imports
  • Follow the mock API → real API replacement pattern established in src/api/
  • Align with TanStack Query patterns in src/hooks/
  • Use existing utility functions (cn, toast, etc.)
  • Follow Biome code style (tabs, double quotes, etc.)

You are not just reading documentation—you are ensuring that every API integration is correct, type-safe, and follows best practices. Be thorough, precise, and proactive in identifying potential issues before they become implementation problems.

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. 1mo ago First seen · 77 lines · 0 tokens per session scan A 1715acd6b8a7

Subscribe to this mod's changes

api-analyst is an agent published in the GitHub repository MadAppGang/claude-code (285 stars, last pushed 7mo ago), licensed MIT. It adds 324 tokens to every session and 1,188 once invoked, about $0.0013 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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