MCP server

Crates

io.github.pipeworx-io/crates

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Crates.io MCP — wraps the crates.io REST API v1 (free, no auth)

Website Source

At a glance

Type

MCP server

Publisher

pipeworx.io (verified by the MCP Registry)

Status

Working at last check

Tools

47

Token cost

About 27,030 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http crates https://gateway.pipeworx.io/crates/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.crates]
url = "https://gateway.pipeworx.io/crates/mcp"

Gemini CLI

{"mcpServers":{"crates":{"httpUrl":"https://gateway.pipeworx.io/crates/mcp"}}}

Cursor

{"mcpServers":{"crates":{"url":"https://gateway.pipeworx.io/crates/mcp"}}}

VS Code

{"servers":{"crates":{"type":"http","url":"https://gateway.pipeworx.io/crates/mcp"}}}

Antigravity

agy mcp add crates https://gateway.pipeworx.io/crates/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"crates","server_url":"https://gateway.pipeworx.io/crates/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"crates","server_url":"https://gateway.pipeworx.io/crates/mcp"}

Tools

• get_crate ~107 tokens
  Get full metadata for a specific crate (e.g., 'serde'). Returns description, downloads, latest version, repo, homepage, and categories.
• get_crate_dependencies ~204 tokens
  List the dependencies of a specific crate version — what <crate> itself depends on. Returns each dependency with its version requirement, kind (normal/build/dev), optional flag, enabled features, and target. Version is optional (defaults to the latest stable). Use for "what does <crate> depend on",
• get_crate_reverse_deps ~188 tokens
  List crates that DEPEND ON a given crate (reverse dependencies), most-downloaded first — answers "what uses <crate>", "how widely adopted is <crate>", "who depends on <crate>". Returns the total dependent count plus the top dependents with their version requirement, dependency kind, and download cou
• get_versions ~96 tokens
  List all published versions for a crate in reverse chronological order. Returns version number, download count, and publish date.
• search_crates ~132 tokens
  Search crates.io for Rust packages by keyword. Returns crate name, description, downloads, latest version, and repo URL.

Browse

• GitHub tools
• Rust tools
• GitHub and code hosting
• APIs and testing

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