Claude.ai AI Apps That Work free tools ab_test_sample_size
How to: Claude.ai AI Apps That Work free tools ab_test_sample_size
Add AI Apps That Work free tools to Claude.ai
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01
Open Settings → Connectors → Add custom connector and merge this in. Keep any servers already there.
https://aiappsthatwork.com/mcp-
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Save the file and restart Claude.ai.
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Ask for something ab_test_sample_size does. Claude.ai lists the server's tools on connect and calls ab_test_sample_size itself — you do not invoke it by name.
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If nothing happens, check the server is running and that AI Apps That Work free tools's identifier in your config matches the one above exactly.
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs
Same tool, other clients
This list was read from the server itself, by connecting to it and calling tools/list on 14 November 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.