MCP.Market

OpenRouter MCP server

by tsilva·io.github.tsilva/mcp-openrouter·v1.1.8·1 stars
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MCP server providing access to 300+ AI models via OpenRouter

B78/100grade B
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Safety scan
B78/100

full report

Adoption
New

1 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

OpenRouter tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan9 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 44 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 78/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How OpenRouter compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
78/100
higher than 57% of 48,255 servers
GitHub stars
1
more than 65% of 28,688 servers

Install OpenRouter in Claude Code, Cursor or VS Code

claude mcp add mcp-openrouter -- uvx mcp-openrouter
Add to Cursor

What the publisher says

From the OpenRouter repository's README, as published. We do not edit it. Read it on GitHub

🚀 One MCP server for OpenRouter models 🚀

<!-- mcp-name: io.github.tsilva/mcp-openrouter -->

mcp-openrouter is a Python MCP server that lets Codex, Claude Code, opencode, and other MCP hosts call OpenRouter models from local stdio tools.

It exposes chat, image generation, embeddings, model listing, and model search through a small FastMCP server with retry handling, host-aware installation, and optional default model environment variables.

Install

Install the published server into every detected MCP client:

uvx mcp-openrouter install --yes

Install into selected clients:

uvx mcp-openrouter install --yes --clients codex,claude,opencode

Run from a local checkout:

git clone https://github.com/tsilva/mcp-openrouter.git
cd mcp-openrouter
uv sync --dev
keyenv doctor
keyenv run -- uv run mcp-openrouter

mcp-openrouter with no arguments starts the stdio server. The explicit command is uv run mcp-openrouter serve.

Commands

uvx mcp-openrouter install --yes                 # install into detected MCP clients
uvx mcp-openrouter install --yes --force         # replace an existing openrouter config
uvx mcp-openrouter uninstall --yes               # remove from detected MCP clients
uv run mcp-openrouter                            # run the local stdio server
uv run pytest tests/test_cli.py tests/test_client.py tests/test_config.py tests/test_installer.py tests/test_release_metadata.py tests/test_server.py
keyenv run -- uv run pytest tests/test_tools.py
uv run ruff check src/
uv run ruff format src/

Tools

Example MCP prompts:

Use openrouter chat with anthropic/claude-sonnet-4 to summarize this file
Use openrouter generate_image with google/gemini-3-pro-image-preview to create a square app icon
Use openrouter embed with mistralai/mistral-embed-2312 to embed "Hello world"
Use openrouter list_models with capability "image_gen"
Use openrouter find_models to search for "claude"

Configuration

OPENROUTERAPIKEY is required for all tool calls. For a local checkout, its .keyenv.toml maps the variable to macOS Keychain: use keyenv set OPENROUTERAPIKEY to replace it, keyenv doctor to verify it, and keyenv run -- ... to launch the server or live tests. Python still reads the value normally from os.environ.

Optional defaults make the model parameter optional for matching tools:

DEFAULT_TEXT_MODEL=google/gemini-3-pro-image-preview
DEFAULT_IMAGE_MODEL=google/gemini-3-pro-image-preview
DEFAULT_CODE_MODEL=anthropic/claude-sonnet-4.5
DEFAULT_VISION_MODEL=google/gemini-3-pro-image-preview
DEFAULT_EMBEDDING_MODEL=mistralai/mistral-embed-2312

The current tools read DEFAULTTEXTMODEL, DEFAULTIMAGEMODEL, and DEFAULTEMBEDDINGMODEL. DEFAULTCODEMODEL and DEFAULTVISIONMODEL are available for client conventions. Non-secret defaults may remain in .env; the API key must not.

Notes

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

OpenRouter: common questions

Is OpenRouter MCP server safe?
Mostly: it is graded B (78/100). Read the OpenRouter safety report
How do I install OpenRouter?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does OpenRouter need an API key?
Yes. The registry entry asks for OPENROUTER_API_KEY.
Is OpenRouter maintained?
The last commit was 82 days ago (2026-08-14). The latest release is v1.1.8.
How does OpenRouter compare with other MCP servers?
safety score 78/100 (higher than 57% of 48,255 servers); github stars 1 (more than 65% of 28,688 servers). Full comparison.