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Openapi To MCP

Openapi To MCP is an agent skill (a SKILL.md file) from mcp-use/mcp-use. Build and deploy an MCP server from an OpenAPI / Swagger spec using the mcp-use TypeScript SDK. It works with Claude Code and has 10,814 GitHub stars across a repository of 4 listed skills.

github.com/mcp-use/mcp-use/skills/openapi-to-mcp (opens in a new tab)

Data as of from the GitHub API; description from the skill's SKILL.md. Report an error

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Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add mcp-use/mcp-use
/plugin   # browse mcp-use and install the plugin that contains openapi-to-mcp

In the Claude apps, zip the openapi-to-mcp folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/mcp-use/mcp-use.git
cp -r mcp-use/skills/openapi-to-mcp .agents/skills/openapi-to-mcp   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/mcp-use/mcp-use.git
cp -r mcp-use/skills/openapi-to-mcp .cursor/skills/openapi-to-mcp   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Build and deploy an MCP server from an OpenAPI / Swagger spec using the mcp-use TypeScript SDK. Use this skill whenever the user wants to "turn this OpenAPI spec into an MCP server", "make this API usable from Claude/ChatGPT", "wrap this Swagger doc as MCP tools", "expose this REST API to an LLM", "generate MCP tools from a spec", or pastes/attaches an openapi.yaml, openapi.json, or swagger.json and asks for a Claude-compatible version.

When it triggers

  • Trigger even if the user doesn't say "MCP" — if they describe an existing HTTP API (REST endpoints, an internal service, a third-party API they have a key for) and want an LLM to call it, this is the right skill.
  • "turn this OpenAPI spec into an MCP server"
  • "make this API usable from Claude/ChatGPT"
  • "wrap this Swagger doc as MCP tools"
  • "expose this REST API to an LLM"
  • "generate MCP tools from a spec"
  • "MCP"

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4 skills are listed from this repository.

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FAQ

Openapi To MCP FAQ

Still curious? Email info@appsgit.com.

How do I install the Openapi To MCP skill?

In Claude Code, run /plugin marketplace add mcp-use/mcp-use, then install its plugin from /plugin. For Codex or Cursor, copy the openapi-to-mcp folder into .agents/skills/ or .cursor/skills/.

Is the Openapi To MCP skill free?

Yes. The repository is open source under the MIT license. The skill mentions an API key or token for an external service, which may need its own account.

Is Openapi To MCP maintained?

The repository's most recent commit was on Oct 21, 2026. Its latest release is mcp-use@2.11.2. appsgit only lists skills from repositories with a commit in the last six months.