RAG and search: tools for developers

Retrieval-augmented tools, vector databases, embeddings and semantic search. An entry can appear under several use cases when its topics or description provide several explicit signals.

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154 entries in this view.

Tool ranking

Ranked by creation date, newest first; undated entries come last. Raw values keep their source-specific window, shown under each tool; a change requires at least two snapshots from the last 7 days.

  1. 1

    MCP
    Active

    Six-agent system for customer support, employee Q&A, and ops workflows — same LangGraph agents runnable under two interchangeable transports: Anthropic MCP and Google A2A. Live demo on HuggingFace Spaces.

    PythonLicense: MIT
    • a2a
    • agent-orchestration
    • agent-to-agent
    • ai-agents
    • chromadb

    githubmeasured growthOpen source ↗

    0GitHub starsstable
  2. 2

    MCP
    Dormant

    Persistent memory for AI agents — semantic + recency search, ONNX embeddings, Docker Compose.

    PythonLicense: MIT

      mcpmeasured growthOpen source ↗

      1GitHub starsstable
    • 3

      Skill
      Active

      Personal knowledge vault plugin for Claude Code — session recording, memory distillation, and hybrid semantic + BM25 retrieval.

      PythonLicense: Apache-2.0
      • agent-memory
      • bm25
      • chromadb
      • claude-code
      • claude-code-plugin

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add XBlueSky/cortexes

      20GitHub starsstable
    • 4

      MCP
      Active

      Fully local, zero-cost RAG knowledge layer for AI coding tools. Achieve near perfect codebase awareness with any AI tool. Supports Claude Code, Cursor, Codex, Antigravity

      PythonLicense: MIT
      • agents
      • agi
      • ai
      • ai-agents
      • antigravity

      githubmeasured growthOpen source ↗

      0GitHub starsstable
    • 5

      Skill
      Active

      Your AI confers, with anyone's — an open A2A protocol platform where AI Agents talk to each other on behalf of their owners. Self-hosted, DID:web identity, RFC 9421 signatures, Claude Code plugin.

      TypeScriptLicense: Apache-2.0
      • a2a
      • a2a-protocol
      • agent-communication
      • agent-to-agent
      • ai-agents

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/hyhmrright/Confer ~/.claude/skills/Confer

      3GitHub starsstable
    • 6

      Skill
      Active

      Curated skill pack for LLM agents in engineer and science workflow (Cursor & Claude ready).

      PythonLicense: MIT
      • agent-skills
      • ai-agents
      • automation
      • awesome-list
      • claude-code

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/charlieviettq/awesome-agent-skill ~/.claude/skills/awesome-agent-skill

      25GitHub starsstable
    • 7

      Skill
      Active

      Local NotebookLM for Claude Code via Google Antigravity (agy / Gemini 3.x): /agy:notebook turns a folder of documents into per-doc summaries + a relevance index + a cited synthesis + Q&A. Plus audio/video transcription, deep web research…

      PythonLicense: MIT
      • agy
      • agy-cli
      • anthropic
      • antigravity
      • antigravity-cli

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add MarcosNahuel/antigravity-plugin-cc

      26GitHub starsstable
    • 8

      Agent
      Active

      Evidence-first multi-agent debate skill: get a second opinion by pitting Codex × Claude Code (or GLM/DeepSeek/Qwen) to independently review, red-team & judge high-stakes code and architecture decisions.

      License: MIT
      • agent-arena
      • agent-skill
      • ai-agents
      • architecture-review
      • claude-code

      githubmeasured growthOpen source ↗

      25GitHub starsstable
    • 9

      MCP
      Active

      Persistent per-project memory for Claude Code, Kiro, Cursor & Codex - plain markdown committed with your code, captured prompt-free, auto-injected at session start, recalled by meaning (local semantic search, zero API). Cross-project…

      JavaScriptLicense: MIT
      • agent-memory
      • ai-agents
      • ai-memory
      • anthropic
      • claude

      githubmeasured growthOpen source ↗

      7GitHub starsstable
    • 10

      Skill
      Active

      Deepdive skill for Claude Code — 12-phase research pipeline: plan-review gate, parallel sub-agent search, claims-ledger triangulation with dissent protection, relevance × authority evidence filter, multi-angle red team, four-layer citation…

      PythonLicense: MIT
      • agent-skills
      • agentic-workflow
      • ai-research-assistant
      • anthropic
      • citation-verification

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/Socialpranker/deepdive ~/.claude/skills/deepdive

      393GitHub stars+5 (+1.3 %)
    • 11

      Agent
      Dormant

      D&D AI game master built with Strands SDK — multi-agent orchestration using MCP, A2A protocol, and RAG-based rules lookup

      Python
      • a2a
      • ai-agents
      • anthropic
      • chromadb
      • dungeons-and-dragons

      githubmeasured growthOpen source ↗

      2GitHub starsstable
    • 12

      Skill
      Active

      Claude Code plugin: four-layer long-term memory (L0→L1→L2→L3 Persona) with local FTS5 + EmbeddingGemma vector hybrid recall, zero external API

      JavaScript
      • agent
      • ai-agent
      • claude-code-plugin
      • embedding
      • llm

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add baodq97/tencentdb-agent-memory

      10GitHub starsstable
    • 13

      Skill
      Active

      全流程 智能招投标 Agent：标书生成 · 招投标解读 · 标书检查 · 标书文档ai排版 · 商机发现 一键完成。 21 项合规检查 · 多模型切换 · RAG 知识库 · OCR 抽取。 从招标公告到可交付 docx 文档，全流程 AI 自动化。

      PythonLicense: AGPL-3.0
      • agent-skills
      • agentic-workflow
      • ai-agent
      • bid-management
      • bidding

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/guangshu100/BidMaster-Pro ~/.claude/skills/BidMaster-Pro

      251GitHub stars+30 (+13.6 %)
    • 14

      Agent
      Dormant

      Production multi-agent IT/HR service platform — LangGraph + DSPy + RAG resolves enterprise tickets autonomously with A2A protocol support

      Python
      • a2a-protocol
      • agentic-ai
      • dspy
      • enterprise-ai
      • faiss

      githubmeasured growthOpen source ↗

      1GitHub starsstable
    • 15

      MCP
      Active

      MCP server for Oracle, MSSQL, PostgreSQL, MySQL, SQLite, MongoDB, and Qdrant vector search access.

      TypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add mcp-db-connect -- npx mcp-db-connect

        1GitHub starsstable
      • 16

        Agent
        Dormant

        A2A-compliant agent template built on LangChain's create_agent() with tool-calling. Define your tools, get a working A2A endpoint with agent discovery, task lifecycle, and JSON-RPC out of the box. Includes optional Qdrant vector store for…

        PythonLicense: MIT
        • a2a
        • a2a-agent
        • a2a-agent-example
        • a2a-protocol
        • langchain-agent

        githubmeasured growthOpen source ↗

        0GitHub starsstable
      • 17

        MCP
        Active

        Open-source preview of *Claude Code for AI Engineers* - a methodology-first skill pack for RAG eval, agent debugging, MCP servers, paper reproduction, and benchmark reporting. Full pack (6 skills, 3 templates, 5 slash commands) at…

        License: MIT
        • ai-engineering
        • benchmarking
        • claude-code
        • claude-code-skills
        • llm-agents

        githubmeasured growthOpen source ↗

        2GitHub starsstable
      • 18

        Skill
        Active

        Turn scattered knowledge, operational data, and history into source-linked context that your agents can inspect, explain, and reuse.

        PythonLicense: MIT
        • agent-memory
        • agent-skills
        • agentic-ai
        • agentic-rag
        • ai-agents

        githubmeasured growthOpen source ↗

        Install git clone https://github.com/sparkplug604/praxis ~/.claude/skills/praxis

        48GitHub starsstable
      • 19

        App
        Dormant

        Enterprise-grade database architect, security auditor and production consultant for Supabase — Claude Code Skill

        TypeScriptLicense: MIT
        • anthropic
        • claude-code
        • claude-code-skill
        • database-architect
        • multi-tenant

        githubmeasured growthOpen source ↗

        3GitHub starsstable
      • 20

        Agent
        Active

        SHM v6.15.0 — 自演化超图记忆系统: R4OracleDb oracle DB 同形注入, 评测数据面重建 (LoCoMo-Refined 72.43%), 精卫循环至 SOTA 82.65 进行中

        PythonLicense: MIT
        • a2a
        • ai-agent
        • hypergraph
        • knowledge-graph
        • mcp

        githubmeasured growthOpen source ↗

        6GitHub starsstable
      • 21

        MCP
        Dormant

        Knowledge API for AI agents — content, agent directory, model benchmarks, semantic search.

        ↓ 16 downloads/weekJavaScriptLicense: NOASSERTION

          mcpmeasured growthOpen source ↗

          Install claude mcp add voidfeed-mcp -- npx voidfeed-mcp

          0GitHub starsstable
        • 22

          Agent
          Active

          专利侵权分析系统 —— 输入专利公开号，产出竞品侵权分析报告；同时打包成 skill，可被任意 agent（dsh, codex, claudecode 等） 调用。

          Python
          • agentic-ai
          • claim-chart
          • claude-code
          • claude-code-skill
          • codex

          githubmeasured growthOpen source ↗

          59GitHub stars+2 (+3.5 %)
        • 23

          MCP
          Active

          A trilingual (繁中 / English / 简中) learning roadmap for agentic AI: from LLM basics to multi-agent systems, with 240+ curated resources and hands-on examples. 中文 AI agent 學習地圖。

          PythonLicense: MIT
          • agentic-ai
          • agentic-workflows
          • ai-agent
          • ai-agents
          • awesome-list

          githubmeasured growthOpen source ↗

          6 659GitHub stars+154 (+2.4 %)
        • 24

          MCP
          Dormant

          RedM / RDR3 docs MCP server: native lookups, semantic search, VORP, RSGCore, oxmysql.

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://redm-mcp.fivem.no/mcp

          3GitHub starsstable

        Learning resources

        Ranked by creation date, newest first; undated entries come last. These resources remain available separately and do not take part in the main tool ranking.

        1. 1

          production-ai-engineering

          Agent
          ActiveOpen source ↗

          Handbook técnico aberto sobre engenharia de IA em produção: ML tradicional, LLMs, RAG, agentes, segurança, observabilidade, FinOps e deployment.

          Markdown
          • a2a-protocol
          • agentic-ai
          • ai
          • ai-agents
          • ai-engineering
          githubResourcemeasured growth
          1GitHub starsstable