Context7 CLI


A command-line interface for connecting to and interacting with Context7 MCP server. Get up-to-date, version-specific code documentation and examples directly from your terminal.

Features

- 📡 Persistent connection to Context7 MCP server
- 💻 Interactive REPL for documentation queries
- 🚀 Headless mode for one-off command execution
- 📚 Resolve library IDs and fetch current documentation
- 🔧 Command-specific help and documentation
- 🎯 Topic-focused documentation retrieval

Requirements

- Node.js v22.0 or newer
- npm

Installation

``bash
npm install -g context7-cli
`

Quick Start

$3

Start the CLI and interact with Context7 through a REPL:

`bash
npx context7-cli
`

Once started, you'll see the context7> prompt:

`
Context7 CLI

Usage:

commands list all the available commands
-h quick help on
run with argument
clear clear the screen
exit, quit, q exit the CLI

context7> commands


Lists all 2 available commands

context7> resolve-library-id {"libraryName":"mongodb"}


Resolves "mongodb" to a Context7-compatible library ID

context7> get-library-docs {"context7CompatibleLibraryID":"/mongodb/docs","topic":"aggregation"}


Gets MongoDB documentation focused on aggregation

context7> exit
`

$3

Execute single commands without starting the interactive REPL:

`bash


General format

npx context7-cli ''

Examples

npx context7-cli resolve-library-id '{"libraryName":"mongodb"}'
npx context7-cli get-library-docs '{"context7CompatibleLibraryID":"/mongodb/docs"}'
npx context7-cli get-library-docs '{"context7CompatibleLibraryID":"/vercel/next.js","topic":"routing","page":2}'
`

$3

`bash


Show version

npx context7-cli --version
npx context7-cli -v

List all commands

npx context7-cli --commands

Get help for specific command

npx context7-cli resolve-library-id -h
npx context7-cli get-library-docs -h

General help

npx context7-cli --help
npx context7-cli -h
`

Available Tools

The CLI exposes 2 documentation tools from the Context7 MCP server:

$3

Resolves a package/product name to a Context7-compatible library ID and returns a list of matching libraries.

Parameters:

- libraryName (required): string - The package/product name to resolve (e.g., "mongodb", "next.js", "react")

Example:

`bash
context7> resolve-library-id {"libraryName":"mongodb"}
`

$3

Fetches up-to-date documentation for a specific library, with optional topic focus and pagination.

Parameters:

- context7CompatibleLibraryID (required): string - Exact Context7-compatible library ID (e.g., "/mongodb/docs", "/vercel/next.js")
- topic (optional): string - Focus topic for the docs (e.g., "routing", "hooks", "authentication")
- page (optional): number - Page number for pagination (1-10). If the context is not sufficient, try page=2, page=3, etc. with the same topic.

Examples:

`bash
context7> get-library-docs {"context7CompatibleLibraryID":"/mongodb/docs"}
context7> get-library-docs {"context7CompatibleLibraryID":"/vercel/next.js","topic":"routing"}
context7> get-library-docs {"context7CompatibleLibraryID":"/vercel/next.js","topic":"routing","page":2}
`

Use Cases

$3

`bash


1. Resolve the library ID

context7> resolve-library-id {"libraryName":"mongodb"}

2. Get general documentation

context7> get-library-docs {"context7CompatibleLibraryID":"/mongodb/docs"}

3. Get topic-specific documentation

context7> get-library-docs {"context7CompatibleLibraryID":"/mongodb/docs","topic":"aggregation"}
`

$3

`bash


Get Next.js routing documentation

npx context7-cli get-library-docs '{"context7CompatibleLibraryID":"/vercel/next.js","topic":"routing"}'

Get React hooks documentation

npx context7-cli get-library-docs '{"context7CompatibleLibraryID":"/facebook/react","topic":"hooks"}'
``

About Context7

Context7 is an MCP server that delivers up-to-date, version-specific code documentation and examples directly into LLM prompts and AI code editors. It solves the problem of outdated training data by pulling current documentation straight from the source.

Learn more at context7.com or github.com/upstash/context7.

License

Apache-2.0