# Open API MCP Server

> Use this tool when you need to integrate AI assistants with OpenAPI specifications, enabling seamless API discovery and execution. It solves problems related to API accessibility and authentication, supporting OAuth 2.0 and other methods. The tool takes OpenAPI specifications as input and provides API schema and execution outputs, making it ideal for use cases requiring automated API interactions.

Canonical page: https://skillsregistry.net/skills/haoyan-a-open-api-mcp  
JSON: https://api.skillsregistry.net/v1/skills/haoyan-a-open-api-mcp

## Description

Provides AI assistants with access to OpenAPI specifications, enabling API discovery, schema retrieval, and direct API execution with support for OAuth 2.0 and other authentication methods.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-08-31

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** security
- **Updated:** 2026-08-31

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/xjascrexlp)
- **Repository:** <https://github.com/HaoYan-A/open-api-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": "haoyan-a-open-api-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/haoyan-a-open-api-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/haoyan-a-open-api-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt