Your thinking space

Capture ideas. Find them by meaning.

A calm place to store thoughts and search them with semantic search. Use the web app or connect via MCP.

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Why IdeaTub

Semantic search

Find thoughts by meaning, not just keywords. Ask in plain language and get relevant ideas back.

Capture anywhere

Quick capture in the browser or from any tool that supports MCP. Thoughts stay in one place.

Browser & MCP

Capture from Claude, Cursor, or other MCP clients, then revisit everything in the web app.