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Query Spanlens LLM observability from Cursor, Claude Desktop, or Continue via MCP.
io.github.spanlens/mcp-server is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.spanlens/mcp-server to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
npx -y @spanlens/mcp-server@0.3.0Review the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-28T11:13:00.920113Z",
"publishedAt": "2026-09-28T11:13:00.920113Z",
"statusChangedAt": "2026-09-28T11:13:00.920113Z"
}
},
"server": {
"name": "io.github.spanlens/mcp-server",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"version": "0.3.0",
"packages": [
{
"version": "0.3.0",
"transport": {
"type": "stdio"
},
"identifier": "@spanlens/mcp-server",
"registryType": "npm",
"environmentVariables": [
{
"name": "SPANLENS_API_KEY",
"format": "string",
"isSecret": true,
"isRequired": true,
"description": "Spanlens API key. Must be a scope=public key (sl_live_pub_*) issued from the Public Keys card at https://spanlens.io/projects — the server refuses to start with a full-access sl_live_* key."
},
{
"name": "SPANLENS_BASE_URL",
"format": "string",
"default": "https://api.spanlens.io",
"description": "Override the API endpoint for self-hosted Spanlens. Default: https://api.spanlens.io"
}
]
}
],
"repository": {
"url": "https://github.com/spanlens/Spanlens",
"source": "github",
"subfolder": "packages/mcp-server"
},
"description": "Query Spanlens LLM observability from Cursor, Claude Desktop, or Continue via MCP."
}
}