How do I install mcp-server?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is mcp-server official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

mcp-server MCP Server | MCPpedia

mcp-server MCP Server

Name: mcp-server MCP Server
Author: spanlens

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

Tools Versions Alternatives

Registryspanlens

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "spanlens-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@spanlens/mcp-server@0.3.0"
      ],
      "env": {
        "SPANLENS_API_KEY": "YOUR_SPANLENS_API_KEY",
        "SPANLENS_BASE_URL": "https://api.spanlens.io"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
SPANLENS_API_KEY	Yes	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. Secret.
SPANLENS_BASE_URL	No	Override the API endpoint for self-hosted Spanlens. Default: https://api.spanlens.io

mcp-server MCP Server

Install

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Environment

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