skills/exa-labs/exa-mcp-server/get-code-context-exa

get-code-context-exa

SKILL.md

Code Context (Exa)

Tool Restriction (Critical)

ONLY use get_code_context_exa. Do NOT use other Exa tools.

Token Isolation (Critical)

Never run Exa in main context. Always spawn Task agents:

  • Agent calls get_code_context_exa
  • Agent extracts the minimum viable snippet(s) + constraints
  • Agent deduplicates near-identical results (mirrors, forks, repeated StackOverflow answers) before presenting
  • Agent returns copyable snippets + brief explanation
  • Main context stays clean regardless of search volume

When to Use

Use this tool for ANY programming-related request:

  • API usage and syntax
  • SDK/library examples
  • config and setup patterns
  • framework "how to" questions
  • debugging when you need authoritative snippets

Inputs (Supported)

get_code_context_exa supports:

  • query (string, required)
  • tokensNum (number, optional; default ~5000; typical range 1000–50000)

Query Writing Patterns (High Signal)

To reduce irrelevant results and cross-language noise:

  • Always include the programming language in the query.
    • Example: use "Go generics" instead of just "generics".
  • When applicable, also include framework + version (e.g., "Next.js 14", "React 19", "Python 3.12").
  • Include exact identifiers (function/class names, config keys, error messages) when you have them.

Dynamic Tuning

Token strategy:

  • Focused snippet needed → tokensNum 1000–3000
  • Most tasks → tokensNum 5000
  • Complex integration → tokensNum 10000–20000
  • Only go larger when necessary (avoid dumping large context)

Output Format (Recommended)

Return:

  1. Best minimal working snippet(s) (keep it copy/paste friendly)
  2. Notes on version / constraints / gotchas
  3. Sources (URLs if present in returned context)

Before presenting:

  • Deduplicate similar results and keep only the best representative snippet per approach.

MCP Configuration

{
  "servers": {
    "exa": {
      "type": "http",
      "url": "https://mcp.exa.ai/mcp?tools=get_code_context_exa"
    }
  }
}
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