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Decision Node

MCP server that records development decisions as structured JSON, embeds them as vectors, and enables semantic search over past decisions.

Starting atFree (MIT license)
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In Plain English

MCP server that records development decisions as structured JSON, embeds them as vectors, and enables semantic search over past decisions.

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Overview

MCP server that records development decisions as structured JSON, embeds them as vectors, and enables semantic search over past decisions.

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Key Features

Feature information is available on the official website.

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Pricing Plans

Free

Free (MIT license)

  • ✓Structured decision recording
  • ✓Gemini vector embeddings (3072-dim)
  • ✓Semantic search via MCP
  • ✓Local data storage
  • ✓Web UI visualization
  • ✓Force-directed graph + UMAP views
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Pros & Cons

✓ Pros

  • ✓Semantic search finds relevant decisions even with different terminology
  • ✓92K installs signal strong community validation
  • ✓Works across all major AI coding tools via MCP
  • ✓Local storage keeps sensitive decisions on-premises
  • ✓Visual UI helps teams explore decision relationships
  • ✓Structured format prevents decisions from becoming unstructured brain dumps

✗ Cons

  • ✗Requires a Gemini API key for vector embeddings (adds dependency and cost)
  • ✗Only useful if the team consistently records decisions — needs adoption discipline
  • ✗Local-only storage means no built-in team sync or cloud collaboration
  • ✗Vector embeddings are Gemini-specific — no choice of embedding provider
  • ✗No integration with existing decision documentation tools (ADR tools, Notion, etc.)

Frequently Asked Questions

How much does Decision Node cost?+

Decision Node pricing starts at Free (MIT license). They offer a single pricing plan.
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Quick Info

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