spanlens/mcp-server

latest · 0.2.1

Query Spanlens LLM observability from Cursor, Claude Desktop, or Continue via MCP.

GitHub: spanlens/Spanlens
npm: @spanlens/mcp-server
MCP registry: io.github.spanlens/mcp-server

Install

Needs an env var: SPANLENS_API_KEY — replace the <placeholders> with your values.

claude mcp add io-github-spanlens-mcp-server --env SPANLENS_API_KEY=<SPANLENS_API_KEY> -- npx @spanlens/mcp-server

/mcp confirms it's connected.

Install

Or add it manually in ~/.cursor/mcp.json:

{
  "mcpServers": {
    "io-github-spanlens-mcp-server": {
      "command": "npx",
      "args": [
        "@spanlens/mcp-server"
      ],
      "env": {
        "SPANLENS_API_KEY": "<SPANLENS_API_KEY>"
      }
    }
  }
}

In claude_desktop_config.json (Settings → Developer → Edit Config), then restart:

{
  "mcpServers": {
    "io-github-spanlens-mcp-server": {
      "command": "npx",
      "args": [
        "@spanlens/mcp-server"
      ],
      "env": {
        "SPANLENS_API_KEY": "<SPANLENS_API_KEY>"
      }
    }
  }
}

Config entry, any MCP client:

{
  "command": "npx",
  "args": [
    "@spanlens/mcp-server"
  ],
  "env": {
    "SPANLENS_API_KEY": "<SPANLENS_API_KEY>"
  }
}

Community score

Community33/ 100

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Web signals (ecosystem baseline)33/100 · 100% of the weight

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What the web says

Ecosystem baseline33/ 100

Objective public usage & activity (formula v3) — the community score's web-signals input, and its own sort.

GitHubsource ↗

GitHub stars · 17 days ago: ★ 13
Contributors · 3 days ago: 2
Last commit · 17 days ago: 2 days ago
Issue close rate · 17 days ago: 0%
License · 17 days ago: MIT

Packages

npm downloads · 3 days ago: 41 / week ↗

Listed on

Glama · 9 days ago: Listed · Glama quality score 4.2 ↗

Mentions

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Docs & liveness

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Version history1

0.2.1release date unknown

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Details

Transport: stdio
Status: listed
Source: Imported from the MCP registry
Repository: source ↗