# FastAPI OpenAPI MCP Server

> Use this tool when you need to efficiently query API information and reduce token consumption. It converts FastAPI application OpenAPI documentation into MCP tools, enabling on-demand, structured API queries for AI assistants. Ideal for use cases where complete OpenAPI specifications are too large to load, this tool provides a streamlined interface for AI agents to retrieve API information.

Canonical page: https://skillsregistry.net/skills/jason-chang-fastapi-openapi-mcp  
JSON: https://api.skillsregistry.net/v1/skills/jason-chang-fastapi-openapi-mcp

## Description

Converts FastAPI application OpenAPI documentation into MCP tools for AI assistants to efficiently query API information. Reduces token consumption by enabling on-demand, structured API queries instead of loading complete OpenAPI specifications.

## Trust

- **Trust score (0–1):** 0.60
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** file-system
- **Updated:** 2026-05-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/o91yon2e1o)
- **Repository:** <https://github.com/jason-chang/fastapi-openapi-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "jason-chang-fastapi-openapi-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/jason-chang-fastapi-openapi-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/jason-chang-fastapi-openapi-mcp/pull`

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