open-responses-server

by teabranch · MCP Clients & Apps · ★ 184

open-responses-server is an app that connects to MCP servers by teabranch. Wraps any OpenAI API interface as Responses with MCPs support so it supports Codex. Adding any missing stateful features. Ollama and Vllm compliant. It has 184 GitHub stars and ranks #122 of 595 in MCP Clients & Apps by stars.

Category: MCP Clients & Apps
Author: teabranch
GitHub stars: 184
This week: Tracking since 18 Oct 2026
Language: Python
License: MIT (open source)
Last update: 2026-04-08 (7 months ago)
Links: Source Website

ai
codex
generative-ai
mcp
mcp-client
openai
openai-api
openai-codex
openai-codex-cli
openai-codex-integration
responses-api

How to install open-responses-server

Install steps differ per project, so follow the README in the open-responses-server repository. Most MCP servers start with a single command (npx -y <package>, uvx <package> or a Docker image) that you add to your client's config. The install guide shows where that goes in Claude Code, Claude Desktop, Cursor and VS Code.

Also listed in

Maintain this project? Get it featured ($99/mo, pinned at the top of MCP Clients & Apps) or see what featuring includes.

Report a problem with this listing

Frequently asked questions

What is open-responses-server?

open-responses-server is an app that connects to MCP servers by teabranch in the MCP Clients & Apps category. Wraps any OpenAI API interface as Responses with MCPs support so it supports Codex. Adding any missing stateful features. Ollama and Vllm compliant. It has 184 GitHub stars and ranks #122 of 595 in MCP Clients & Apps by stars.

Is open-responses-server free and open source?

Yes. open-responses-server is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

What are the alternatives to open-responses-server?

Other MCP Clients & Apps projects on MCP Harbor include n8n, claude-code, gemini-cli. Each alternative links to its own page with stars, license and recent activity. The MCP Clients & Apps category ranks all 595 by stars, and you can re-sort it by growth this week.

Alternatives to open-responses-server

n8nTrending★ 208,446

n8n-io · TypeScript+655 stars this week (+0.3%)

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

claude-code★ 153,207

anthropics · TypeScript

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

gemini-cli★ 107,576

google-gemini · TypeScript+160 stars this week (+0.1%)

An open-source AI agent that brings the power of Gemini directly into your terminal.

OmniRoute★ 80,504

cheaper-inference · TypeScript

Never stop coding. Free MIT AI gateway: one endpoint, 375 providers (150+ free), 1,400+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop

litellm★ 61,940

BerriAI · Python

The fastest, litest AI Gateway. Rust core with Python SDK. Call 100+ LLM APIs in OpenAI (or native) format with cost tracking, guardrails, load balancing, and logging [Bedrock, Azure, OpenAI, Anthropic, OpenAI, VertexAI, vLLM, Nvidia NIM]

kong★ 44,296

Kong · Lua+19 stars this week (+0%)

🦍 The API and AI Gateway

All 595 MCP Clients & Apps MCP servers →

Data last updated 25 October 2026. Stars and downloads are refreshed every day from GitHub and npm.