Skill

context7-docs

Library documentation lookup via Context7 MCP. Use when you need current docs for any library, framework, or API. Prevents hallucinated APIs by fetching real documentation.

npx claudepluginhub littlelingo/context-engine --plugin context-engine

Tool Access

This skill uses the workspace's default tool permissions.

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When you need documentation for a library, framework, or API - fetch it instead of relying on training data. This prevents hallucinated function signatures and outdated API patterns.

SKILL.md

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Context7 Documentation Lookup

When you need documentation for a library, framework, or API - fetch it instead of relying on training data. This prevents hallucinated function signatures and outdated API patterns.

When to Use

Implementing with a library you're not 100% sure about

User asks to use a specific library version

You're about to write code using an API and want to verify it exists

Error suggests an API has changed since your training data

Workflow

Resolve library ID: Use mcp__context7__resolve-library-id with the library name

Fetch docs: Use mcp__context7__get-library-docs with the resolved ID

Apply: Use the fetched documentation to write correct code

Example

# Step 1: Resolve mcp__context7__resolve-library-id("fastapi") # Step 2: Fetch relevant docs mcp__context7__get-library-docs(library_id="...", topic="dependency injection") # Step 3: Write code using real API signatures

Rules

Fetch docs BEFORE writing code for unfamiliar APIs

Don't fetch docs for standard library or well-known stable APIs

Keep fetched content focused (specify topic) to minimize context usage

Always specify a focused topic parameter in query-docs — prefer specific queries (e.g., "dependency injection") over broad library-wide fetches

If Context7 is unavailable, note the uncertainty in your response

MCP Configuration

Add to .mcp.json or settings.json if not already configured:

{ "mcpServers": { "context7": { "command": "npx", "args": ["-y", "@context7/mcp@latest"] } } }

Context7 Documentation Lookup

When you need documentation for a library, framework, or API - fetch it instead of relying on training data. This prevents hallucinated function signatures and outdated API patterns.

When to Use

Implementing with a library you're not 100% sure about
User asks to use a specific library version
You're about to write code using an API and want to verify it exists
Error suggests an API has changed since your training data

Workflow

Resolve library ID: Use mcp__context7__resolve-library-id with the library name
Fetch docs: Use mcp__context7__get-library-docs with the resolved ID
Apply: Use the fetched documentation to write correct code

Example

# Step 1: Resolve
mcp__context7__resolve-library-id("fastapi")

# Step 2: Fetch relevant docs
mcp__context7__get-library-docs(library_id="...", topic="dependency injection")

# Step 3: Write code using real API signatures

Rules

Fetch docs BEFORE writing code for unfamiliar APIs
Don't fetch docs for standard library or well-known stable APIs
Keep fetched content focused (specify topic) to minimize context usage
Always specify a focused topic parameter in query-docs — prefer specific queries (e.g., "dependency injection") over broad library-wide fetches
If Context7 is unavailable, note the uncertainty in your response

MCP Configuration

Add to .mcp.json or settings.json if not already configured:

{
  "mcpServers": {
    "context7": {
      "command": "npx",
      "args": ["-y", "@context7/mcp@latest"]
    }
  }
}