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Exa MCP Server

Connect AI agents to Exa for web search, content fetching, and multi-step research.

Documentation · NPM Package · Get your API key

Installation

Connect to Exa's hosted MCP server:

Or use a plugin when your client supports one.

Agent Plugin

This repository is an Agent Plugin. Install it with any compatible client.

Claude

Install from the Claude Plugin Marketplace, or run:

Codex / ChatGPT

Install via Plugins in ChatGPT, or run:

Other MCP Clients

Most clients can be configured manually with the standard mcpServers shape:

Client-specific configs

Exa MCP works with most other clients, point them at https://mcp.exa.ai/mcp.

| Client | Where to add it |

| Kiro | Use the Kiro power, or add manually to ~/.kiro/settings/mcp.json | | LM Studio | Add to LM Studio, or add manually to mcp.json | | Replit | Add to Replit | | Grok Build | /marketplace → install Exa, then /mcp to sign in | | Gemini CLI | Add manually to ~/.gemini/settings.json | | OpenCode | Add manually to opencode.json | | Windsurf | Add manually to ~/.codeium/windsurf/mcp_config.json | | Google Antigravity | Add manually to mcp_config.json | | Zed | Add manually to settings.json under context_servers | | Warp | Settings → Agents → MCP servers | | v0 by Vercel | Settings → MCP connections |

Available Tools

Default Tools

| Tool | Description |

| web_search_exa | Search the web for any topic and get clean, ready-to-use content | | web_fetch_exa | Read a webpage's full content as clean markdown from one or more URLs |

Optional Tools (enable via the tools parameter)

| Tool | Description |

| agent_run | Run an Exa Agent for multi-step research, list-building, enrichment, and structured output | | web_search_advanced_exa | Advanced search with filters, domains, dates, highlights, summaries, and subpage crawling |

Enable tools by appending them to the MCP URL (this will replace the defaults, so include all you want):

Exa Agent requires authentication (OAuth or an API key).

Agent Skills

Skills live in skills/ and load with Agent Plugin / Claude plugin installs.

| Skill | Path | Use when |

| search | skills/search/ | Deep research, lead gen, competitive analysis, multi-step web investigation | | exa-agent | skills/exa-agent/ | Exa Agent runs, enrichment, structured output, Connect providers |

Invoke from your client's skill UI (or /skill-name where supported). MCP-only setups still get the tools; skills add orchestration on top.

Authentication

The hosted MCP server works anonymously with rate limits. For higher limits and access to Exa Agent, use either OAuth or an API key.

OAuth is preferred: most clients prompt you to sign in to Exa. To force the login flow (useful for shared connectors and plugins), use https://mcp.exa.ai/mcp?login or https://mcp.exa.ai/mcp/oauth.

If you prefer, you can get an API key from the dashboard and pass it on the URL as ?exaApiKey=…. You can also send it as a Authorization: Bearer … header or an x-api-key header.

Built with ❤️ by Exa

Description from the npm listing.