mcp-openapi-proxy MCP Server
matthewhand/mcp-openapi-proxy
[](https://agentrank-ai.com/tool/matthewhand--mcp-openapi-proxy/?utm_source=badge&utm_medium=readme&utm_campaign=agentrank_badge) MCP server that dynamically exposes REST APIs defined by OpenAPI specs. Dual-stack MCP 1.x/2.x with native Streamable HTTP.
claude mcp add agentrank -- npx -y agentrank-mcp-server Overview
matthewhand/mcp-openapi-proxy is a Python MCP server licensed under MIT. MCP server that dynamically exposes REST APIs defined by OpenAPI specs. Dual-stack MCP 1.x/2.x with native Streamable HTTP.
Ranked #2464 out of 24846 indexed tools.
In the top 10% of all indexed tools.
Ecosystem
Score Breakdown
157 stars → growing community
Last commit 8d ago → recently updated
26/33 issues closed → decent issue management
4 contributors → small team
No dependents → no downstream usage
223 weekly installs → early adoption
Weights: Freshness 20% · Issue Health 20% · Dependents 22% · Stars 10% · Contributors 8% · How we score →
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From the README
# mcp-openapi-proxy **mcp-openapi-proxy** is a Python package that implements a Model Context Protocol (MCP) server, designed to dynamically expose REST APIs—defined by OpenAPI specifications—as MCP tools. This facilitates seamless integration of OpenAPI-described APIs into MCP-based workflows. **2026-09-05 — 0.4.0:** MCP 2.x / 2026-07-28 native Streamable HTTP (stateless POST /mcp, dual-stack with legacy stdio). ## What's New in 0.4.0 **MCP 2026-07-28 (SDK 2.x).** The proxy is dual-stack: modern clients send self-contained requests (no `initialize`, no `Mcp-Session-Id`) and list results carry `ttlMs` / `cacheScope`. Legacy stdio clients that still handshake keep working. Native Streamable HTTP is available with `MCP_TRANSPORT=streamable-http` and is stateless — round-robin load balancing needs no sticky sessions. See [docs/MIGRATION-0.4.md](docs/MIGRATION-0.4.md) for breaking changes, new env vars, and gateway cutover notes. **0.3.4** remains the last release on mcp 1.x (`mcp>=1.Read full README on GitHub →
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