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Home/Servers/Sourced

Sourced

by dev.sourced

Source code search for every package on PyPI and npm.

Power your agent

Add this server

The publisher's own URL. Not a PlugMCP endpoint.

Server URL
https://mcp.sourced.dev/mcp
Provider
Add in Claude

Claude opens with the name and URL filled in. You still confirm it there.

Claude Code
claude mcp add --transport http dev.sourced-sourced https://mcp.sourced.dev/mcp

Run in a terminal.

Claude Desktop
{
  "mcpServers": {
    "dev.sourced-sourced": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://mcp.sourced.dev/mcp"
      ]
    }
  }
}

claude_desktop_config.json

Step-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

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Related skills

View all
  • cqrs-implementationImplement Command Query Responsibility Segregation for scalable architectures. Use when separating read and write models, optimizing query performance, or building event-sourced systems.
  • event-store-designDesign and implement event stores for event-sourced systems. Use when building event sourcing infrastructure, choosing event store technologies, or implementing event persistence patterns.
  • projection-patternsBuild read models and projections from event streams. Use when implementing CQRS read sides, building materialized views, or optimizing query performance in event-sourced systems.

Questions

How do I install Sourced?
Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Sourced need an API key?
No required environment variable is listed on this record.
What transport does Sourced use?
Sourced is reached over HTTP.
When was Sourced last checked?
Last checked 2026-10-16. Source code search for every package on PyPI and npm.

Source code search for every package on PyPI and npm.

Sourced.dev

Source code search for every package on PyPI and npm.

Sourced.dev provides coding agents with direct access to dependency source code through the Model Context Protocol (MCP). Instead of relying on training data or web searches, agents can read, search, and navigate the actual source of any package β€” as if it were on your local machine.

Currently tracking all 800,000+ Python packages and all 3,000,000+ npm packages. New releases are indexed within 5 minutes of publication.

Quick Start

Install the MCP server in one command. It authenticates via GitHub and configures your coding agents automatically:

curl -sL sourced.dev/install | sh

The installer will:

  1. Authorize with GitHub.
  2. Create an API key.
  3. Configure the MCP server for your selected agents.

Restart your coding agents after installation to start using Sourced.

Supported Agents

The following coding agents are supported out of the box:

  • Claude Code
  • Claude Desktop (macOS)
  • Cursor
  • VS Code
  • Windsurf
  • Codex
  • Gemini CLI
  • Kiro
  • Zed
  • OpenCode
  • Copilot CLI
  • Antigravity

Capabilities

Sourced.dev exposes the following tools to your coding agent via MCP:

ToolDescription
readRead a file from a package's source code with line numbers.
grepSearch for a regex pattern across a package's source tree.
globFind files matching a glob pattern within a package.

All tools accept an ecosystem (e.g. pypi, npm), a package_name, and an optional version (defaults to latest).

Ecosystem Support

  • PyPI β€” 800,000+ packages
  • npm β€” 3,000,000+ packages
  • Maven/Gradle β€” planned
  • RubyGems β€” planned
  • Crates.io (Rust) β€” planned

Next Steps

  • Visit sourced.dev to learn more.
  • View the Issues page to see open tasks or report a bug.
  • Open a Pull Request to contribute.

License

MIT License β€” see LICENSE for details.

How do I install Sourced?
Copy the http config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.
Does Sourced need an API key?
No required environment variable is listed on this record.
What transport does Sourced use?
Sourced is reached over HTTP.
When was Sourced last checked?
Last checked 2026-10-16. Source code search for every package on PyPI and npm.

No tool list yet. Remote servers get one after the first health check.

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