evalsmith-mcp

An open-source MCP server and CLI tool designed to evaluate RAG retrieval quality, agent tool call correctness, and prompt regressions using deterministic metrics. It supports integration with desktop MCP clients, IDEs, and CI/CD pipelines via GitHub Actions, providing structured reports and merge gates without requiring paid API keys.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by diegoperezg7

Vendor documentation

What you can do with it

Evaluate RAG retrieval metrics like recall@k and nDCG
Compare AI agent configurations with confidence intervals
Check if agent tool calls match expected traces
Run prompt regression tests against golden sets

Source and maintenance

Community listingRegistry 0.1.0

mcp-registry: io.github.diegoperezg7/evalsmith-mcp@0.1.0 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

evalsmith-mcp 0.1.0

npm

evalsmith-mcp package definition

{
  "version": "0.1.0",
  "transport": "stdio",
  "identifier": "evalsmith-mcp",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "EVALSMITH_JUDGE_BASE_URL",
      "format": "string",
      "default": "http://localhost:11434/v1",
      "description": "OpenAI-compatible endpoint for the optional LLM judge (default: Ollama on localhost)"
    },
    {
      "name": "EVALSMITH_JUDGE_MODEL",
      "format": "string",
      "default": "llama3.1:8b",
      "description": "Model used by the optional LLM judge"
    },
    {
      "name": "EVALSMITH_JUDGE_API_KEY",
      "format": "string",
      "description": "API key for the judge endpoint, if it needs one"
    },
    {
      "name": "LOG_LEVEL",
      "format": "string",
      "default": "info",
      "description": "pino log level; logs go to stderr"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "evalsmith-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "evalsmith-mcp@0.1.0"
      ],
      "env": {
        "EVALSMITH_JUDGE_BASE_URL": "<YOUR_EVALSMITH_JUDGE_BASE_URL>",
        "EVALSMITH_JUDGE_MODEL": "<YOUR_EVALSMITH_JUDGE_MODEL>",
        "EVALSMITH_JUDGE_API_KEY": "<YOUR_EVALSMITH_JUDGE_API_KEY>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "evalsmith-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "evalsmith-mcp@0.1.0"
      ],
      "env": {
        "EVALSMITH_JUDGE_BASE_URL": "<YOUR_EVALSMITH_JUDGE_BASE_URL>",
        "EVALSMITH_JUDGE_MODEL": "<YOUR_EVALSMITH_JUDGE_MODEL>",
        "EVALSMITH_JUDGE_API_KEY": "<YOUR_EVALSMITH_JUDGE_API_KEY>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "evalsmith-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "evalsmith-mcp@0.1.0"
      ],
      "env": {
        "EVALSMITH_JUDGE_BASE_URL": "<YOUR_EVALSMITH_JUDGE_BASE_URL>",
        "EVALSMITH_JUDGE_MODEL": "<YOUR_EVALSMITH_JUDGE_MODEL>",
        "EVALSMITH_JUDGE_API_KEY": "<YOUR_EVALSMITH_JUDGE_API_KEY>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "evalsmith-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "evalsmith-mcp@0.1.0"
      ],
      "env": {
        "EVALSMITH_JUDGE_BASE_URL": "<YOUR_EVALSMITH_JUDGE_BASE_URL>",
        "EVALSMITH_JUDGE_MODEL": "<YOUR_EVALSMITH_JUDGE_MODEL>",
        "EVALSMITH_JUDGE_API_KEY": "<YOUR_EVALSMITH_JUDGE_API_KEY>",
        "LOG_LEVEL": "<YOUR_LOG_LEVEL>"
      }
    }
  }
}

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