MCP Comparison · 2026
Exa vs Perplexity MCP Server
Comparing Exa and Perplexity as MCP servers? Exa (search exa) is best when llm-optimised web search. Perplexity (search perplexity) is best when cited, source-linked answers. Both run as Model Context Protocol servers and can coexist in the same client. Updated 2026.
Side-by-side specs
Pulled from each MCP's verified fact sheet.
| Exa | Perplexity | |
|---|---|---|
| Primary function | Search Exa | Search Perplexity |
| Maintainer | Exa | Perplexity |
| Pricing | Freemium | Freemium |
| Setup complexity | Low · ~2 min | Low · ~3 min |
| Transport | Streamable HTTP, stdio | stdio, Streamable HTTP |
| Auth model | API key | API key |
| License | MIT | MIT |
| Language | TypeScript | TypeScript |
| Latest version | latest | latest |
| Compatible clients | Claude, Cursor, Any MCP-compatible client, Exa accounts | Claude, Cursor, Any MCP-compatible client, Perplexity API |
| Last verified | 2026-05-27 | 2026-05-27 |
Which one should you pick?
Decision rubric drawn from each MCP's documented strengths.
Choose Exa
- LLM-optimised web search
- Fetching a URL's contents for context
- Research and fact-checking
Choose Perplexity
- Cited, source-linked answers
- Deep research (sonar-deep-research)
- Reasoning over retrieved facts
Pick something else if…
- Real-time news (try Brave Search)
- Free-only workflows (paid API credits)
Feature breakdown
Key capabilities each server ships out of the box.
Exa
- Hosted at mcp.exa.ai/mcp — no install
- Neural search ranked for LLM use
- web_fetch_exa for URL → content
- API-key auth via env var
- MIT, vendor-maintained
Perplexity
- Four Sonar modes: search, ask, research, reason
- Cited source URLs in every response
- stdio + HTTP transports
- `PERPLEXITY_API_KEY` auth
- MIT, vendor-maintained
Install snippets
Open the detail page for ready-to-paste config for every major client.
FAQ
Exa vs Perplexity: which MCP server should I use?
Pick Exa when llm-optimised web search. Pick Perplexity when cited, source-linked answers. Exa is built for search exa, while Perplexity focuses on search perplexity.
Can I run both Exa and Perplexity together?
Yes. MCP clients run each server as a separate process and surface every server's tools simultaneously, so you can install both and let your agent decide which to call. Be deliberate with auth scopes when stacking servers.
How fresh is this comparison?
Updated for 2026. Exa's last verification: 2026-05-27. Perplexity's last verification: 2026-05-27. We refresh detail-page facts on every catalog rebuild.
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