Unleash MCP Server
by unleashio.getunleash/unleash-mcpv0.5.0-beta.3
MCP server for managing Unleash feature flags
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Active2d ago
Install Unleash MCP server
Install in Claude Code
claude mcp add unleash -e UNLEASH_BASE_URL='<unleash-base-url>' -e UNLEASH_PAT='<unleash-pat>' -- npx -y @unleash/mcpInstall in Cursor
{
"mcpServers": {
"unleash": {
"command": "npx",
"args": [
"-y",
"@unleash/mcp"
],
"env": {
"UNLEASH_BASE_URL": "<unleash-base-url>",
"UNLEASH_PAT": "<unleash-pat>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"unleash": {
"command": "npx",
"args": [
"-y",
"@unleash/mcp"
],
"env": {
"UNLEASH_BASE_URL": "<unleash-base-url>",
"UNLEASH_PAT": "<unleash-pat>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"unleash": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@unleash/mcp"
],
"env": {
"UNLEASH_BASE_URL": "<unleash-base-url>",
"UNLEASH_PAT": "<unleash-pat>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"unleash": {
"command": "npx",
"args": [
"-y",
"@unleash/mcp"
],
"env": {
"UNLEASH_BASE_URL": "<unleash-base-url>",
"UNLEASH_PAT": "<unleash-pat>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| UNLEASH_BASE_URL | yes | — | Your Unleash instance URL (local or hosted) |
| UNLEASH_PAT | yes | yes | Your Unleash Personal Access Token (PAT) for authentication |
| UNLEASH_DEFAULT_PROJECT | — | — | The default project ID the MCP should use |
| UNLEASH_MCP_SEND_FEEDBACK | — | — | true or false to grant or deny send_feedback consent without a prompt |
| UNLEASH_FEEDBACK_URL | — | — | Base URL of the Unleash instance that receives send_feedback reports (defaults to the production instance) |
| UNLEASH_MCP_CONFIG_DIR | — | — | Directory holding feedback_consent.json (defaults to the platform config directory) |
Freshness
Active — last maintenance signal 2d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-10-07 · 2d ago · GitHub
Latest release
2026-07-06 · 3mo ago · GitHub · v0.4.1
Package published
no data · npm/PyPI
Registry entry updated
2026-10-07 · 2d ago · official registry · v0.5.0-beta.3
FAQ
›How do I install the Unleash MCP server in Claude Code?
Run: claude mcp add unleash -e UNLEASH_BASE_URL='<unleash-base-url>' -e UNLEASH_PAT='<unleash-pat>' -- npx -y @unleash/mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Unleash require an API key?
Yes. It expects UNLEASH_BASE_URL, UNLEASH_PAT, of which 1 is a secret.
›Can I use Unleash as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Unleash in the official MCP registry?
Yes, as io.getunleash/unleash-mcp.