Cyanheads MCP Server is answering right now. Last checked 13 min ago. 69 installs a week from npm. It exposes 2 tools. Last commit 22 Aug 2026.
Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 22 August 2026. No other catalogue keeps this.
Today is the operative word: we check Cyanheads MCP Server every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.
claude mcp add cyanheads-mcp-server --transport http https://cyanheads.caseyjhand.com/mcp
{
"mcpServers": {
"cyanheads-mcp-server": {
"url": "https://cyanheads.caseyjhand.com/mcp"
}
}
}
[mcp_servers.cyanheads-mcp-server]
url = "https://cyanheads.caseyjhand.com/mcp"
{
"mcpServers": {
"cyanheads-mcp-server": {
"url": "https://cyanheads.caseyjhand.com/mcp"
}
}
}
{
"mcpServers": {
"cyanheads-mcp-server": {
"url": "https://cyanheads.caseyjhand.com/mcp"
}
}
}
This one needs environment variables set before it will start:
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.), 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].).
The author declared them in the registry entry; get the values from the project itself.
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
cyanheads_describe_entry
cyanheads_search_catalog
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://cyanheads.caseyjhand.com/mcp | streamable-http | answering | 234 ms | 13 min ago |
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