The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.
Exa MCP Server
Exa MCP for web search and web crawling!
Install
$
claude plugin install exa@claude-plugins-officialInstall command taken from the project's README or registry entry. Always review code before running it.
README excerpt
Read full README on GitHub →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:
https://mcp.exa.ai/mcp
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:
claude plugin install exa@claude-plugins-official
Codex / ChatGPT
Install via Plugins in ChatGPT, or run:
codex mcp add exa --url https://mcp.exa.ai/mcp
Other MCP Clients
Most clients can be configured manually with the standard mcpServers shape:
{
"mcpServers": {
"exa": {
"type": "streamable-http",
"url": "https://mcp.exa.ai/mcp",
}
}
}
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):
https://mcp.exa.ai/mcp?tools=web_search_advanced_exa
https://mcp.exa.ai/mcp?tools=web_search_exa,web_fetch_exa,agent_run
Exa Agent requires authentication (OAuth or an API key).
Agent Skills
Skills live in skills/ and load with Agent Plugin / Claude plugin installs.
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