Claude Code Knowledge Systems Vector Databases

Tools and platforms for integrating vector databases, semantic search, and knowledge bases with Claude Code development environments. Includes RAG systems, document indexing, codebase retrieval, and MCP servers built specifically for Claude workflows. Does NOT include general RAG frameworks, non-Claude-specific vector databases, or standalone research tools without Claude integration.

There are 39 claude code knowledge systems tools tracked. 4 score above 50 (established tier). The highest-rated is giancarloerra/SocratiCode at 65/100 with 80 stars and 2,908 monthly downloads.

Get all 39 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=vector-db&subcategory=claude-code-knowledge-systems&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Tool Score Tier
1 giancarloerra/SocratiCode

Enterprise-grade (40m+ lines) codebase intelligence in a zero-setup, private...

65
Established
2 lyonzin/knowledge-rag

Local RAG System for Claude Code - Hybrid search (Semantic + BM25) with MCP...

58
Established
3 blueraai/bluera-knowledge

Local knowledge search for AI coding agents. Index repos, docs, and files...

57
Established
4 zilliztech/deep-searcher

Open Source Deep Research Alternative to Reason and Search on Private Data....

52
Established
5 kantord/SeaGOAT

local-first semantic code search engine

48
Emerging
6 datadrivenconstruction/OpenConstructionEstimate-DDC-CWICR

Open multilingual construction cost database for AI Agents - 55K+ work...

47
Emerging
7 zilliztech/zilliz-plugin

Zilliz Cloud plugin for Claude Code — manage clusters, collections, vector...

37
Emerging
8 tlines2016/agent-context-code

A 100% local semantic code search tool featuring hybrid search (vector +...

36
Emerging
9 rtazima/claude-proj-blueprint

Modular, level-based project template for Claude Code + Obsidian + Figma....

34
Emerging
10 tenequm/claude-kb

Universal knowledge base with Qdrant for Claude Code integration

34
Emerging
11 saskinosie/weaviate-claude-skills

Claude Skills for connecting Claude.ai to local Weaviate vector databases -...

33
Emerging
12 SylphxAI/rag-server-mcp

⚠️ DEPRECATED - Use https://github.com/SylphxAI/coderag instead

32
Emerging
13 cheolwanpark/snippets

Automatically extracts, processes, and indexes code snippets from GitHub...

30
Emerging
14 hpbyte/h-codex

A semantic code search tool for intelligent, cross-repo context retrieval.

28
Experimental
15 supaIC/Cipher-AI-Vault

Cipher AI Vault is an Azle-based proof of concept designed with a strong...

27
Experimental
16 floflo777/claude-rag-skills

Professional RAG development skills for Claude Code - audit, evaluate,...

26
Experimental
17 Hitesh1326/schemasight

Chat with your database. Locally. VS Code extension for exploring and ...

25
Experimental
18 ArnoldoSQ/smart-coding-mcp

🧠 Enhance code search with intelligent semantic indexing, empowering AI...

24
Experimental
19 devrupt-io/ethos

Exploring what HN is really thinking

24
Experimental
20 gregorymulla/grepctl

BigQuery Semantic Search Orchestrator

23
Experimental
21 pohi99999/mcp-brunella-core

BRUNELLA AGENT SYSTEM (BAS) – A JÖVŐ DIGITÁLIS SZERVEZETE

23
Experimental
22 TJ-Neary/CoreRag

Local-first knowledge engine with semantic search, GraphRAG, and Claude...

23
Experimental
23 hcoder-404/Canopy

Enable secure, local-first collaboration between humans and AI using...

22
Experimental
24 Dev048/iterative-deep-research-engine

AI research assistant using hybrid retrieval, reranking and iterative reasoning

22
Experimental
25 zilliztech/zilliz-skill

Agent skill that teaches AI agents how to manage Zilliz Cloud vector...

22
Experimental
26 achetronic/memex

Self-hosted RAG for your AI with GUI, REST API, and MCP support. Based on pgvector.

22
Experimental
27 dan6684/smart-connections-mcp

MCP server that exposes Obsidian Smart Connections vector database to Claude...

22
Experimental
28 osbornecox/git-hit-archive

Pre-built database of 44k+ AI/ML GitHub repos (Python & TypeScript) with...

21
Experimental
29 ximot/knowledge-mcp

Self-hosted RAG knowledge base for AI coding assistants. MCP server with...

19
Experimental
30 baptiste-mnh/bigrack.dev

BigRack.dev - Intelligent MCP server for task/project & context management...

17
Experimental
31 mevans2120/cc-code-execution-mcp-memory-bank-vectordb

Experiment.... A high-performance vector database server optimized for AI...

16
Experimental
32 MohamedOsamaHelmyCS/claude-agent-server

⚡ Enable real-time communication with Claude using this WebSocket server,...

16
Experimental
33 Moxnyyy/smart-coding-mcp

🔍 Enhance code search accuracy with Smart Coding MCP, an AI-driven server...

16
Experimental
34 iamdainwi/codemind

An intelligent codebase Q&A system powered by Endee vector database that...

16
Experimental
35 rduffyuk/querymind

🧠 Intelligent RAG with smart query routing - Choose the right search...

16
Experimental
36 RobLe3/claude_guardian

Security scanning platform for Claude Code development. Detects code...

15
Experimental
37 mansuur22/claude-data-analysis

📊 Analyze data efficiently with Claude Data Analysis Assistant, using...

15
Experimental
38 arunjeyaprasad/mcp-rag-web-scraper

Customizable web scraper that can be used to build a knowledge base which...

13
Experimental
39 Sarvesh-Kannan/SarvX

Associated with Zoho Corp. SarvX Code AI Assistant is a privacy-first,...

11
Experimental