Security-first MCP server that connects any OpenAPI, GraphQL, gRPC or SOAP API to AI agents.
To add universal-connector-mcp to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 5 environment variables, listed below.
Install
uvx universal-connector-mcp@0.2.0Environment variables
UCMCP_ALLOWED_HOSTSSet in your MCP configUCMCP_APIS_CONFIGSet in your MCP configUCMCP_CACHE_TTLSet in your MCP configUCMCP_BLOCK_PRIVATE_IPSSet in your MCP configGITHUB_TOKENSet in your MCP configInstall with your client
claude mcp add universal-connector --env UCMCP_ALLOWED_HOSTS=<YOUR_UCMCP_ALLOWED_HOSTS> --env UCMCP_APIS_CONFIG=<YOUR_UCMCP_APIS_CONFIG> --env UCMCP_CACHE_TTL=<YOUR_UCMCP_CACHE_TTL> --env UCMCP_BLOCK_PRIVATE_IPS=<YOUR_UCMCP_BLOCK_PRIVATE_IPS> --env GITHUB_TOKEN=<YOUR_GITHUB_TOKEN> -- uvx universal-connector-mcp@0.2.0
Run this in a terminal to add the server to Claude Code.
What this does
universal-connector-mcp exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
UCMCP_ALLOWED_HOSTS UCMCP_APIS_CONFIG UCMCP_CACHE_TTL UCMCP_BLOCK_PRIVATE_IPS GITHUB_TOKEN
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install universal-connector-mcp?
Run the Claude Code command in the install section to add universal-connector-mcp to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with universal-connector-mcp?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to universal-connector-mcp as well.
Does universal-connector-mcp need an API key?
Yes. Before it can run, set these environment variables: UCMCP_ALLOWED_HOSTS, UCMCP_APIS_CONFIG, UCMCP_CACHE_TTL, UCMCP_BLOCK_PRIVATE_IPS, GITHUB_TOKEN. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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