TheMotionBridge

Assumption Mapper

Turns a venture's untested beliefs into a ranked, evidence-backed decision log, so "we validated that" finally comes with receipts.

A ledger for the beliefs your business runs on. Evidence graded by what people did, not what they said. Work in the app, or let Claude and Cursor keep the ledger from your meetings.

  • MCP server with 16 tools for Claude Code, Claude Desktop and Cursor
  • Six-rung evidence strength ladder, weighted 1.00 to 0.05, faded with age
  • Server-side risk and confidence scoring, with readiness scaled by importance
  • Duplicate merging on ingest and a 12-new-assumptions-per-source limit
  • Monday lists — what moved, needs you, on your plate — plus a per-person Monday email
  • Experiments that require a pre-committed kill criterion
  • Reports: the one page with a read-only share link, coverage and your tests
  • Decision log with queryable provenance

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