Official Exa MCP for fast web search and crawling when the workflow is search-first rather than page-ops-first.
Where it wins
Neural/keyword hybrid search with semantic embeddings — unique capability
940K weekly downloads (270K npm + 670K PyPI) — massive real adoption
Exa Deep launch (March 4 2026) adds deep research tier ($12-15/1K)
Official provider support, SOC 2 Type II
Good fit for discovery and initial market mapping
Where to be skeptical
MCP benchmark: only 23% web search success — MCP implementation is immature
Exa Deep tiers are new (March 2026), limited production track record
Closed-source, cloud-only — no self-hosting option
Latency ~1,200ms for standard search (2x Brave)
Editorial verdict
#8 in product-business-development, #2 research tool. 4,050 stars, 9.3K npm/wk, 19.7K PulseMCP/wk (#56 global). Best for semantic discovery ('find companies like X'). exa-code for coding agents is a unique differentiator. AIMultiple benchmark tested extraction, not discovery — 23% undersells Exa's actual strength.
Videos
Reviews, tutorials, and comparisons from the community.
5 Claude Code MCP Servers You Need To Be Using
13 OpenClaw Skills You NEED To Install Right Now
Top 5 MCP Servers For Vibe Coding In 2026
Agents at Work 16: What LLMs are looking for with Thais Castello (Exa.ai)
Building a Smarter AI Agent with Neural RAG - Will Bryk, Exa.ai
Related
Product / Business Development
Semantic discovery — 'find companies like X,' market mapping, academic search
Search & News
Semantic search, similarity search, market mapping — strongest where traditional keyword search fails
Crawl4AI
93Free, open-source web scraping (Apache-2.0). 62K stars, 6,353 forks (nearly matches Firecrawl), actively maintained (v0.8.5, 2026-03-18), 384K weekly PyPI downloads. Best open-source alternative to Firecrawl.
SearXNG
88Privacy-first, self-hosted meta-search engine aggregating 70+ upstream engines. Zero cost, zero API keys, full data sovereignty.
Notion MCP Server
86Official Notion MCP server with hosted OAuth, token-optimized Markdown responses, and 22 tools for page/database/search operations.
MCP Atlassian
85Community-built MCP server for Jira and Confluence with 72 tools. Dual implementation alongside official Atlassian Rovo MCP (now GA).
Public evidence
Exa Fast claims 'most accurate search API sub-500ms.' Exa Deep adds agentic multi-search. New maxAgeHours for freshness control. Free MCP tier launched. If independently verified, closes latency gap with Brave.
Strongest MCP adoption in the search category. 5x more stars than Brave's MCP server (781). Suggests strong developer preference for Exa's MCP integration.
Scored 5/10. Praised setup simplicity and MIT license. Criticized lack of documentation on prompts, resources, and tools. No sampling support.
Step-by-step tutorial for using exa-mcp-server with Claude Desktop to access LinkedIn profiles via MCP. No sponsorship disclosure.
Tested Exa MCP with Claude Code for a day and found it 'quite good,' praising search quality and speed. Covers pricing, installation, and practical usage.
Listed as Top Pick. Released Nov 27, 2024. Ranked #52 globally with estimated 706K visitors. Independent aggregator positioning.
412pts is exceptional traction for a search API launch (top 0.1% of HN posts). Launched as The web as a database — neural search engine for AI.
Agent Score 14.39 (#3 of 8). Statistically tied with Brave and Firecrawl in the top tier. Independent benchmark validation.
Nvidia investment signals infrastructure-grade credibility. $700M valuation validates market position. Exa serves web search to thousands of companies including Cursor.
Exa scores 81% vs 71% on complex retrieval, runs 2-3x faster, and adds people, company, and code search that Tavily lacks.
23% MCP success rate vs Firecrawl's 83%. 15s avg vs Firecrawl's 7s. MCP-specific problem — Exa's core API performs better when consumed directly. Timeout and Cloudflare issues on hosted endpoint (GitHub #6878).
Two tiers: deep ($12/1K, 4-12s) and deep-reasoning ($15/1K, 12-50s). Structured outputs with field-level grounding. Claims to beat Perplexity Sonar and Parallel on HLE-Search, Deep Search QA, FRAMES — but no specific numbers published.
Exa scores 94.9% on SimpleQA (highest in comparison), 81% vs 71% on complex retrieval, runs 2-3x faster than Tavily. Independent accuracy edge.
Raw GitHub source
Constrained peek so you can sanity-check the source material without leaving the site.
Connect to Exa's hosted MCP server:
https://mcp.exa.ai/mcp
Or use a plugin when your client supports one.
This repository is an Agent Plugin. Install it with any compatible client.
Install from the Claude Plugin Marketplace, or run:
claude plugin install exa@claude-plugins-official
Install via Plugins in ChatGPT, or run:
codex mcp add exa --url https://mcp.exa.ai/mcp
Most clients can be configured manually with the standard mcpServers shape:
{
"mcpServers": {
"exa": {
"type": "streamable-http",
"url": "https://mcp.exa.ai/mcp",
}
}
}
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 |
| 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 |
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
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.
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.
Built with ❤️ by Exa