Cyanheads MCP Server
by cyanheadsio.github.cyanheads/cyanheads-mcp-serverv0.4.3
Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.
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Active10d ago
Install Cyanheads MCP server
Install in Claude Code
claude mcp add cyanheads -- npx -y @cyanheads/cyanheads-mcp-server run start:stdioInstall in Cursor
{
"mcpServers": {
"cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/cyanheads-mcp-server",
"run",
"start:stdio"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/cyanheads-mcp-server",
"run",
"start:stdio"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"cyanheads": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@cyanheads/cyanheads-mcp-server",
"run",
"start:stdio"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"cyanheads": {
"command": "npx",
"args": [
"-y",
"@cyanheads/cyanheads-mcp-server",
"run",
"start:stdio"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| MCP_LOG_LEVEL | — | — | Minimum log level: debug, info, notice, warning, error. |
| CATALOG_URL | — | — | Remote fleet.json endpoint (schema v2 with baked embeddings). |
| CATALOG_FETCH_TIMEOUT_MS | — | — | Per-request timeout for fleet.json fetches in milliseconds. Must be > 0. |
| CATALOG_REFRESH_SECONDS | — | — | Background poll interval for fleet.json refresh. 0 disables; otherwise must be > 0. |
| EMBEDDING_MODEL_ID | — | — | Hugging Face model id for query embedding. Must match fleet.json.embeddingModel. |
| SIMILARITY_FLOOR | — | — | Cosine similarity cutoff for cyanheads_search_catalog results. Must be within [0, 1]. |
| MCP_HTTP_HOST | — | — | Hostname for the HTTP server. |
| MCP_HTTP_PORT | — | — | Port to run the HTTP server on. |
| MCP_HTTP_ENDPOINT_PATH | — | — | Endpoint path for the MCP server. |
| MCP_AUTH_MODE | — | — | Authentication mode: none, jwt, or oauth. |
Remote endpoints
- streamable-http
https://cyanheads.caseyjhand.com/mcp
Freshness
Active — last maintenance signal 10d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-30 · 10d ago · GitHub
Latest release
2026-09-30 · 10d ago · GitHub · v0.4.3
Package published
no data · npm/PyPI
Registry entry updated
2026-09-30 · 10d ago · official registry · v0.4.3
FAQ
›How do I install the Cyanheads MCP server in Claude Code?
Run: claude mcp add cyanheads -- npx -y @cyanheads/cyanheads-mcp-server run start:stdio. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Cyanheads require an API key?
No required environment variables are declared in its published metadata.
›Can I use Cyanheads as a remote (hosted) MCP server?
Yes — it offers both a hosted endpoint and a local stdio package.
›Is Cyanheads in the official MCP registry?
Yes, as io.github.cyanheads/cyanheads-mcp-server.