Show HN: DecisionNode – shared structured memory for all AI coding tools via MCP

Category: devtools

Tags: ai-tools, knowledge-management, mcp-server, vector-search, developer-workflow

Score: 6.8/10 (Innovation: 7, Technical: 6, Documentation: 8, Utility: 6)

DecisionNode provides shared structured memory for AI coding tools via the Model Context Protocol (MCP), allowing developers to record technical decisions as searchable JSON with semantic retrieval. It's interesting because it creates a persistent knowledge layer across different AI assistants (Claude Code, Cursor, Windsurf) rather than being tied to a single tool.

Target audience: backend devs, full-stack devs, devops

Repository: https://github.com/decisionnode/DecisionNode · TypeScript · MIT · 2 stars

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