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name: exa-search description: Web and code search with Exa MCP. Use for current documentation, API references, code examples, latest library info, or when the user mentions "exa", "web search", "docs", or "current API".

Exa (MCP Server)

Real-time web and code search for current documentation and examples.

When This Applies

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Available Tools

Copyweb_search_exa        # Real-time web search
get_code_context_exa  # Search GitHub, docs, StackOverflow
deep_search_exa       # Deep research with query expansion
crawling              # Extract content from specific URLs

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Query Patterns

Current Documentation

Copy{library} {feature} {version} 2024 2025

Examples:

CopyFastAPI Pydantic v2 model_validator 2024 2025
Next.js 14 app router server components
React useOptimistic hook 2024

Migration Between Versions

Copy{library} v{old} to v{new} migration
{library} {version} breaking changes
{library} upgrade guide {version}

Code Examples

Copyget_code_context_exa("{library} {pattern} implementation example")
get_code_context_exa("{library} {use_case} tutorial")

Security/Auth Patterns

Copy{auth_method} best practices 2024
{library} authentication {pattern} security
OAuth PKCE {language} 2024

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When to Use Exa

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When NOT to Use Exa

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Query Strengthening

If initial query returns poor results:

1. Add version: "React 19 useOptimistic" vs "React useOptimistic"
2. Add year: "FastAPI middleware 2024" vs "FastAPI middleware"
3. Add "official": "Next.js official docs app router"
4. Be more specific: "Prisma findMany where clause" vs "Prisma queries"

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Verification Checklist

After grounding with Exa:

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Recording Results

Track grounding status in your work:

Copy## Grounding Status
| Pattern | Query | Source | Status |
|---------|-------|--------|--------|
| `@model_validator` | "Pydantic v2 2024" | docs.pydantic.dev | ✅ Verified |
| `useOptimistic` | "React 19 2024" | react.dev | ✅ Verified |

Status values:

• ✅ Verified — Matches current docs
• ⚠️ Changed — API changed, updated approach
• ❌ Deprecated — Found alternative
• ❓ Unverified — Couldn't confirm, flagged

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Requirements

Requires Exa API key configured:

Copyclaude mcp add exa -s user \
  -e EXA_API_KEY=your-key \
  -- npx -y @anthropic-labs/exa-mcp-server

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See Also

• external-docs/ — Full grounding skill with patterns
• warp-grep/ — Codebase search
• cass-search/ — Past session search