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Ask a real question and get back an answer you can trust, with sources. Exa surfaces the most relevant primary pages by meaning, Perplexity returns a web-grounded answer with live citations, and Claude (optionally) fuses them into a tight, cited brief. Self-contained — just a question. ~$0.06.

The prompt


What runs

  1. POST /exa/v1/search — semantic search for the best primary sources (~$0.02)
  2. POST /perplexity/v1/chat/completions — web-grounded answer with citations (~$0.02)
  3. POST /anthropic/v1/messages — Claude fuses into a cited brief (optional) (~$0.02)

Run it

Claude Desktop (MCP)

Paste any question — the agent decides whether one source pass is enough or whether to fuse Exa + Perplexity for breadth.

SDK


Expected output


Extend it

  • Swap Exa for Firecrawl (/firecrawl/v1/scrape) to read a specific known source verbatim
  • Add Firecrawl map (/firecrawl/v1/map) to discover every page on a site before extracting
  • Have a second model (Gemini /gemini/v1beta/models/gemini-2.5-pro) review the brief for unsupported claims
  • Pipe the cited brief into the Write code, then run it recipe to turn data points into a verified chart or table