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unleash-mcp

Name: unleash-mcp
Author: io.getunleash

API key required

MCP server for managing Unleash feature flags

To add unleash-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 6 environment variables, listed below.

Install

npx -y @unleash/mcp@0.5.0

Environment variables

UNLEASH_BASE_URLSet in your MCP config

UNLEASH_PATSet in your MCP config

UNLEASH_DEFAULT_PROJECTSet in your MCP config

UNLEASH_MCP_SEND_FEEDBACKSet in your MCP config

UNLEASH_FEEDBACK_URLSet in your MCP config

UNLEASH_MCP_CONFIG_DIRSet in your MCP config

Install with your client

Terminal

claude mcp add unleash --env UNLEASH_BASE_URL=<YOUR_UNLEASH_BASE_URL> --env UNLEASH_PAT=<YOUR_UNLEASH_PAT> --env UNLEASH_DEFAULT_PROJECT=<YOUR_UNLEASH_DEFAULT_PROJECT> --env UNLEASH_MCP_SEND_FEEDBACK=<YOUR_UNLEASH_MCP_SEND_FEEDBACK> --env UNLEASH_FEEDBACK_URL=<YOUR_UNLEASH_FEEDBACK_URL> --env UNLEASH_MCP_CONFIG_DIR=<YOUR_UNLEASH_MCP_CONFIG_DIR> -- npx -y @unleash/mcp@0.5.0

Run this in a terminal to add the server to Claude Code.

What this does

unleash-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:

UNLEASH_BASE_URL
UNLEASH_PAT
UNLEASH_DEFAULT_PROJECT
UNLEASH_MCP_SEND_FEEDBACK
UNLEASH_FEEDBACK_URL
UNLEASH_MCP_CONFIG_DIR

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install unleash-mcp?

Run the Claude Code command in the install section to add unleash-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 unleash-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 unleash-mcp as well.

Does unleash-mcp need an API key?

Yes. Before it can run, set these environment variables: UNLEASH_BASE_URL, UNLEASH_PAT, UNLEASH_DEFAULT_PROJECT, UNLEASH_MCP_SEND_FEEDBACK, UNLEASH_FEEDBACK_URL, UNLEASH_MCP_CONFIG_DIR. 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.

Is this your MCP server?

Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.

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