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Show HN: DecisionNode — Shared Structured Memory for All AI Coding Tools via MCP
DecisionNode is a new MCP-based tool that stores development decisions as vector embeddings with semantic search, enabling shared memory across Claude Code, Cursor, Windsurf, and any MCP client. Features include conflict detection at 75% similarity, full audit trails showing which tool made each change, and global decisions that persist across projects. 23 points on HN. For builders: as MCP adoption crosses 97M monthly SDK downloads, cross-tool memory is becoming a real use case — this solves the 'I told Cursor this yesterday but Claude doesn't know' problem.
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