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Package Intel MCP Server

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Package Intel MCP Server

A Model Context Protocol (MCP) server for querying package registries (npm, PyPI, crates.io) to retrieve metadata about packages including versions, release cadence, and maintenance signals.

Features

  • Multi-Registry Support: Query npm, PyPI, and crates.io from a single interface

  • Package Summaries: Get comprehensive package metadata including version, license, and repository info

  • Release Timelines: Retrieve version history with release dates

  • Maintenance Signals: Analyze package health with automated scoring

Related MCP server: NPM Sentinel MCP

Installation

npm install
npm run build

Usage

As MCP Server (stdio)

npm start

As HTTP Server

npm run start:http
# Or with custom port
PORT=8080 npm run start:http

Claude Desktop Configuration

Add to your Claude Desktop config (~/Library/Application Support/Claude/claude_desktop_config.json on macOS):

{
  "mcpServers": {
    "package-intel": {
      "command": "node",
      "args": ["/path/to/package-intel/dist/cli.js"]
    }
  }
}

Tools

package_summary

Get summary information about a package.

Parameters:

  • ecosystem (required): "npm" | "pypi" | "crates"

  • name (required): Package name

Example:

{
  "ecosystem": "npm",
  "name": "lodash"
}

Response:

{
  "ok": true,
  "data": {
    "name": "lodash",
    "version": "4.17.21",
    "description": "Lodash modular utilities.",
    "homepage": "https://lodash.com/",
    "repository": "https://github.com/lodash/lodash",
    "license": "MIT",
    "keywords": ["modules", "stdlib", "util"]
  },
  "meta": {
    "source": "https://registry.npmjs.org/lodash",
    "retrieved_at": "2024-01-15T10:30:00.000Z",
    "pagination": { "next_cursor": null },
    "warnings": []
  }
}

release_timeline

Get the release history of a package.

Parameters:

  • ecosystem (required): "npm" | "pypi" | "crates"

  • name (required): Package name

  • limit (optional): Maximum releases to return (default: 20, max: 100)

Example:

{
  "ecosystem": "pypi",
  "name": "requests",
  "limit": 5
}

Response:

{
  "ok": true,
  "data": {
    "package_name": "requests",
    "ecosystem": "pypi",
    "releases": [
      {
        "version": "2.31.0",
        "date": "2023-05-22T10:00:00.000Z",
        "is_prerelease": false
      },
      {
        "version": "2.30.0",
        "date": "2023-05-01T10:00:00.000Z",
        "is_prerelease": false
      }
    ],
    "total_versions": 87
  },
  "meta": {
    "source": "https://pypi.org/pypi/requests/json",
    "retrieved_at": "2024-01-15T10:30:00.000Z",
    "pagination": { "next_cursor": "5" },
    "warnings": []
  }
}

maintenance_signals

Analyze maintenance health signals for a package.

Parameters:

  • ecosystem (required): "npm" | "pypi" | "crates"

  • name (required): Package name

Example:

{
  "ecosystem": "crates",
  "name": "serde"
}

Response:

{
  "ok": true,
  "data": {
    "package_name": "serde",
    "ecosystem": "crates",
    "days_since_last_release": 45,
    "last_release_date": "2023-12-01T10:00:00.000Z",
    "releases_per_year": 12.5,
    "total_versions": 156,
    "is_deprecated": false,
    "maintenance_score": "good",
    "score_factors": {
      "recency": "good",
      "frequency": "good",
      "maturity": "good"
    }
  },
  "meta": {
    "source": "https://crates.io/api/v1/crates/serde",
    "retrieved_at": "2024-01-15T10:30:00.000Z",
    "pagination": { "next_cursor": null },
    "warnings": []
  }
}

Maintenance Score Calculation

The maintenance score is calculated based on three factors:

Recency (50% weight)

  • Good: Last release < 90 days ago

  • Fair: Last release < 365 days ago

  • Poor: Last release >= 365 days ago

Frequency (30% weight)

  • Good: >= 4 releases per year

  • Fair: >= 1 release per year

  • Poor: < 1 release per year

Maturity (20% weight)

  • Good: >= 10 total versions

  • Fair: >= 3 total versions

  • Poor: < 3 total versions

If a package is deprecated, the score is automatically set to "poor".

Error Handling

All tools return errors in a consistent envelope format:

{
  "ok": false,
  "error": {
    "code": "INVALID_INPUT",
    "message": "Package 'nonexistent' not found on npm",
    "details": {
      "package": "nonexistent",
      "ecosystem": "npm"
    }
  },
  "meta": {
    "retrieved_at": "2024-01-15T10:30:00.000Z"
  }
}

Error Codes

  • INVALID_INPUT: Invalid parameters or package not found

  • UPSTREAM_ERROR: Registry API returned an unexpected error

  • RATE_LIMITED: Registry rate limit exceeded

  • TIMEOUT: Request timed out

  • PARSE_ERROR: Failed to parse registry response

  • INTERNAL_ERROR: Unexpected server error

Configuration

Environment variables (see .env.example):

Variable

Default

Description

PORT

3000

HTTP server port

REQUEST_TIMEOUT

30000

Request timeout in ms

USER_AGENT

package-intel/0.1.0

User agent for registry requests

CACHE_TTL

300

Cache TTL in seconds

LOG_LEVEL

info

Log level: debug, info, warn, error

Development

# Install dependencies
npm install

# Build
npm run build

# Run tests
npm test

# Run tests in watch mode
npm run test:watch

# Type check
npm run typecheck

# Development mode (watch)
npm run dev

License

MIT

This server cannot be installed

F
license - not found
-
quality - not tested
D
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

Resources

Unclaimed servers have limited discoverability.

Looking for Admin?

If you are the server author, to access and configure the admin panel.

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