Web Search API Eval · MCP server
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Last updated October 27, 2026
The Web Search API Eval MCP server lets Claude, ChatGPT and other AI assistants answer questions about the benchmark: scorecards, provider comparisons, the 30 queries and their answer keys, charts, methodology and how to rerun it.
Connect
Server URL: https://websearch-api-eval.psberkeleymba.workers.dev/mcp · Streamable HTTP · no sign-in.
- Claude: Settings → Connectors → Add custom connector → paste the URL.
- ChatGPT: Plugins/Apps → Create (Developer mode) → paste the URL → No authentication.
- Claude Code:
claude mcp add --transport http websearch-api-eval https://websearch-api-eval.psberkeleymba.workers.dev/mcp
Example questions
- Which web search API is fastest for a voice agent?
- Compare Exa and Parallel on finance.
- What was question F5 and who got it right?
- Show me the overall scorecard chart.
- How do I run this benchmark on my own queries?
Get help or report a problem
Open an issue at https://github.com/psinglap/websearch-api-eval/issues. Include the question you asked and what the assistant returned.
Documentation
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