ultrathink - Take a deep breath. We're not here to write code. We're here to make a dent in the universe.
The Vision
Documentation retrieval should be precise, fast, and authoritative.
Your Work, Step by Step
- •Identify library: Extract from the user’s request.
- •Resolve ID: Use Context7 to find the exact source.
- •Query: Ask for targeted, actionable guidance.
- •Fallback: Use MiniMax when Context7 lacks coverage.
Ultrathink Principles in Practice
- •Think Different: Prefer indexed docs over scraping.
- •Obsess Over Details: Ensure the right library ID.
- •Plan Like Da Vinci: Define the query before running it.
- •Craft, Don't Code: Return only relevant excerpts.
- •Iterate Relentlessly: Re-query for clarity.
- •Simplify Ruthlessly: Avoid unnecessary searches.
Context7 MCP Usage Patterns
Overview
Context7 MCP provides indexed documentation for popular libraries and frameworks. It's more efficient than web scraping because it uses pre-indexed, structured documentation.
Available Tools
| Tool | Purpose | Parameters |
|---|---|---|
mcp__plugin_context7_context7__resolve-library-id | Find Context7 library ID | libraryName, query |
mcp__plugin_context7_context7__query-docs | Query documentation | libraryId, query |
Usage Pattern
yaml
# Step 1: Resolve library ID mcp__plugin_context7_context7__resolve-library-id: libraryName: "React" # Extract from user query query: "useTransition hook usage" # Full query for ranking # Step 2: Query docs with resolved ID mcp__plugin_context7_context7__query-docs: libraryId: "/vercel/next.js" # From step 1 query: "How to use useTransition hook"
Decision Tree
code
Is this about a library/framework? | +-- YES --> Is it in Context7? | | | +-- YES --> Use Context7 MCP | | 1. resolve-library-id | | 2. query-docs | | | +-- NO --> Fallback to MiniMax MCP | +-- NO --> Use WebSearch (native) or MiniMax MCP
Supported Libraries (Examples)
Frontend
- •React (
/facebook/react) - •Next.js (
/vercel/next.js) - •Vue.js (
/vuejs/vue) - •Angular (
/angular/angular) - •Svelte (
/sveltejs/svelte)
Languages
- •TypeScript (
/microsoft/TypeScript) - •JavaScript (MDN)
Backend
- •Node.js (
/nodejs/node) - •Express (
/expressjs/express) - •Fastify (
/fastify/fastify)
CSS/UI
- •Tailwind CSS (
/tailwindlabs/tailwindcss) - •Chakra UI (
/chakra-ui/chakra-ui)
Databases
- •PostgreSQL
- •MongoDB (
/mongodb/docs) - •Redis
Cost Optimization
| Approach | Token Usage | Quality |
|---|---|---|
| Context7 | ~50% less | High (official docs) |
| Web Search | Baseline | Variable |
| MiniMax | Baseline | High |
Why Context7 saves tokens:
- •Pre-indexed documentation
- •Structured responses
- •No web scraping overhead
- •Focused, relevant content
Integration with Ralph Loop
bash
# CLI usage ralph library "React 19 useTransition" ralph lib "Next.js 15 app router" ralph docs "TypeScript generics" # Slash command /library-docs React hooks best practices
Fallback Strategy
If Context7 doesn't have the library:
- •Log warning: "Library not found in Context7"
- •Fallback to
mcp__MiniMax__web_search - •Return results from MiniMax
Best Practices
- •Extract library name first - Parse user query to identify the library
- •Use full query for ranking - Pass complete query to resolve-library-id
- •Handle not-found gracefully - Always have MiniMax fallback ready
- •Combine with code examples - Request code snippets in your prompt