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MCP server · Data

bbonnin/openapi-to-mcp

by · github.com/bbonnin/openapi-to-mcp

OpenApiMCPServer is an MCP server that automatically converts any OpenAPI/Swagger specification into a set of usable MCP tools

Unclaimed MIT last commit 10 months ago devtoolsopenapillmmcpswagger
InstallView source
51Fair

Scored 5 months ago · breakdown

About bbonnin/openapi-to-mcp

bbonnin/openapi-to-mcp is an MCP server published by bbonnin in the Data category: openApiMCPServer is an MCP server that automatically converts any OpenAPI/Swagger specification into a set of usable MCP tools.

The repository has 4 stars and 1 forks, with the last commit 10 months ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

From source
git clone https://github.com/bbonnin/openapi-to-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

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README

OpenApi MCP Server

OpenApiMCPServer is an MCP server that automatically converts any OpenAPI/Swagger specification into a set of usable MCP tools.

It analyzes all API endpoints, generates structured tool definitions, and routes tool calls to the underlying REST API. This allows AI agents to interact with any OpenAPI-based service instantly, without manual tool coding.

Modules

There are several modules:

  • openapi-mcp-server: the application that is a MCP server providing the tools defined in an OpenAPI definition (provided as a local file or an HTTP endpoint)

    • This server dynamically loads the Swagger content and provides the functions of the API through the MCP protocol, so they can be used in a generative AI architecture without recoding anything
    • At startup: MCP Server Startup
    • At runtime: Usage

  • openapi-mcp-example: a simple example divided in two parts

    • In api package : a fake infrastructure API for managing virtual machines. The API will be invoked by the OpenAPI MCP Server
    • In assistant package : an assistant with a simple chat that will use the infrastructure API through the MCP server accessing the API

Run

MCP Server

To start the MCP Server

java -jar $PATH_TO_JAR/openapi-mcp-server.jar --openapi.location=<swagger file or URL>

Example

Example

README copy captured when this server was indexed; it may lag the repository. The original is authoritative.

Questions

About bbonnin/openapi-to-mcp

How do I install bbonnin/openapi-to-mcp?

No package has been published for this server, so install it from source: clone the repository and follow its README.

Is bbonnin/openapi-to-mcp safe to use with an AI agent?

Its trust score is 51 out of 100 (fair). It passes 2 of the 3 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is bbonnin/openapi-to-mcp still maintained?

The last commit was 10 months ago. That's long enough that you should check whether the maintainer is responding to issues before depending on it.