Hosted Exa search for agents: web search, page fetch as markdown, and optional multi-step Exa Agent research.

How it works

Foe: Fog Wraith, missing facts, outdated docs or thin context.

Foes

  • Fog Wraith

Party · Context

  • SageYour agent100/100
  1. Fog Wraith

    The Fog Wraith blocks the way.

    What really happensIt stands for missing facts, outdated docs or thin context.

    Sage: Context 100/100.

  2. Haze

    The Fog Wraith breathes haze. Swings start to miss.

    What really happensWithout current docs, the agent guesses at APIs that may have changed.

    Sage takes 8. Sage: Context 92/100. Sage: Haze.

  3. Exa

    The Exa lantern is lit from a distant tower.

    What really happensThe agent connects to Exa's hosted server. It works without a key at lower limits; OAuth or an API key raises them.

    Fog Wraith takes 36.

  4. Exa

    Its beam sweeps the web for the right pages.

    What really happensweb_search_exa returns results with clean page content ready to read.

    Fog Wraith takes 16.

  5. Haze

    The Fog Wraith uses Haze.

    Sage takes 8. Sage: Context 84/100. Sage: Haze.

  6. Exa

    The beam pins one page and reads every line.

    What really happensweb_fetch_exa returns the full text of one or more URLs as markdown.

    Fog Wraith takes 39.

  7. Exa

    A seeker spirit runs the long search for you.

    What really happensWith auth, agent_run starts an Exa Agent for multi-step research, list building or enrichment with structured output.

    Exa Agent: Context 40/40.

  8. Exa

    The summons work the problem, each in its own context.

    What really happensEach subagent does its own model and tool work, apart from the main conversation.

    Fog Wraith takes 9. Fog Wraith falls.

  9. Exa

    Exa Agent returns with a short report.

    What really happensOnly the subagent's final summary comes back to the main agent.

    Sage takes 2. Sage: Context 82/100. Sage: Insight. Exa Agent returns.

  10. Victory

    The Fog Wraith falls.

Learn this spell

Claude Code

claude plugin install exa@claude-plugins-official

Codex

codex mcp add exa --url https://mcp.exa.ai/mcp

Notes

Server at https://mcp.exa.ai/mcp. Works anonymously with rate limits; sign in with OAuth (?login) or an API key for higher limits and agent_run. Default tools are web_search_exa and web_fetch_exa. Add web_search_advanced_exa or agent_run with ?tools=, which replaces the defaults. The Claude plugin also installs the search and exa-agent skills. Codex: codex mcp add exa --url https://mcp.exa.ai/mcp.

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