context7

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Search and retrieve documentation for libraries via Context7 API. Use for getting up-to-date documentation context for programming libraries like React, Next.js, etc.

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Sourcehopsken/pi-extensions
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NPX Install

npx skill4agent add hopsken/pi-extensions context7

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Translated version includes tags in frontmatter
context7-apilibrary-documentationcode-library-searchapi-integrationdev-tools

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Context7

Search and retrieve library documentation using the Context7 API. Get relevant, up-to-date documentation snippets for any programming library.

Setup

  1. Create an account at https://context7.com/dashboard
  2. Create an API key
  3. Add to your shell profile (
    ~/.profile
    or 
    ~/.zprofile
    for zsh):
    bash
    export CONTEXT7_API_KEY="your-api-key-here"
  4. Install dependencies (run once):
    bash
    cd {baseDir}
npm install

Search Libraries

Find libraries by name to get their IDs:
bash
{baseDir}/search.js "react"                    # Search for React libraries
{baseDir}/search.js "nextjs" -n 5              # Get 5 results
{baseDir}/search.js "typescript"               # Search TypeScript libs

Options

  • -n <num>
    - Number of results (default: 3, max: 20)

Get Documentation

Retrieve documentation for a specific library:
bash
{baseDir}/docs.js "/facebook/react" "how to use useState"
{baseDir}/docs.js "/vercel/next.js" "app router setup"
{baseDir}/docs.js "/microsoft/typescript" "generics" --format txt

Options

  • --format <type>
    - Output format: 
    json
    (default) or 
    txt

Complete Workflow

  1. First, search for the library to find its ID:
    bash
    {baseDir}/search.js "react"
  2. Then, get documentation using the library ID:
    bash
    {baseDir}/docs.js "/facebook/react" "useEffect cleanup"

Output Format

Search Results

--- Library 1 ---
ID: /facebook/react
Name: React
Description: A JavaScript library for building user interfaces
Snippets: 1250
Trust Score: 95
Versions: v18.2.0, v17.0.2

--- Library 2 ---
...

Documentation Results (JSON format)

--- Doc 1 ---
Title: Using the Effect Hook
Source: react.dev/reference/react/useEffect
Content:
  The Effect Hook lets you perform side effects...

--- Doc 2 ---
...

Documentation Results (Text format)

[Plain text documentation ready for LLM context]

When to Use

  • Getting up-to-date documentation for libraries
  • Understanding API usage and best practices
  • Finding code examples and patterns
  • Learning about specific library features