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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119 entries in this view.

Tool ranking

Ranked by known GitHub stars, highest first; archived repositories come after maintained repositories. 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

    Skill
    Active
    Python
    • agent
    • agent-memory
    • agent-skills
    • agentic
    • dsh-plugin

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/mindscale-noah/MindMemOS ~/.claude/skills/MindMemOS

    975GitHub stars+13 (+1.4 %)
  2. 2

    Other
    Active

    Nuwax Agent OS - An enterprise-grade AI Agent Development and Operation Platform - Providing a complete solution for agent creation and distribution, knowledge base management, model proxy, memory system, and plugin ecosystem.

    TypeScriptLicense: Apache-2.0
    • a2a
    • agent
    • agent-os
    • agent-sandbox
    • agentic

    githubmeasured growthOpen source ↗

    878GitHub stars+4 (+0.46 %)
  3. 3

    MCP
    Active

    Search your past AI coding sessions — Claude Code, Codex, Cursor and 17 more. Indexes the session history they already wrote to disk, including months from before you installed it, and recalls it in any of them. No LLM, no embeddings, one…

    GoLicense: MIT
    • agent-memory
    • ai-memory
    • claude-code
    • claude-code-hooks
    • claude-code-plugins

    githubmeasured growthOpen source ↗

    742GitHub stars+7 (+0.95 %)
  4. 4

    Skill
    Active

    ReachAI企业级智能体开发平台：快速、安全完成已有业务系统智能化改造，让 AI 在 OA、ERP、CRM 等原系统中查数据、填表单、办业务。ReachAI: Quickly and securely bring AI to existing enterprise systems, enabling AI to query data, fill out forms, and execute business tasks directly within OA, ERP,…

    JavaLicense: MIT
    • a2a
    • agent
    • agent-framework
    • agent-skills
    • agents

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/w8123/EnterpriseAgentFramework ~/.claude/skills/EnterpriseAgentFramework

    670GitHub stars+69 (+11.5 %)
  5. 5

    Other
    Active

    The .NET library to build AI agents with 30+ built-in connectors.

    C#License: MIT
    • a2a
    • agent
    • agent-framework
    • agent-orchestration
    • agent2agent

    githubmeasured growthOpen source ↗

    638GitHub starsstable
  6. 6

    Skill
    Active

    Give your AI a real, persistent memory. The open-source system plus templates that turn an Obsidian vault into your AI's working memory. No vector database, just markdown.

    • agent-memory
    • ai
    • ai-agents
    • ai-memory
    • anthropic

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/jaredrhod/ai-memory-vault ~/.claude/skills/ai-memory-vault

    615GitHub stars+23 (+3.9 %)
  7. 7

    Skill
    Active

    Open-source infrastructure that turns scattered SKILL.md files into curated, retrieval-ready agent-skill corpora—with retrieval and evaluation tooling included.

    PythonLicense: Apache-2.0
    • agent-memory
    • agent-skills
    • ai-agents
    • benchmark
    • dataset

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/EverMind-AI/SkillCorpus ~/.claude/skills/SkillCorpus

    493GitHub stars+205 (+71.2 %)
  8. 8

    MCP
    Active

    AI-powered code indexer with semantic search and knowledge graphs

    RustLicense: Apache-2.0

      mcpmeasured growthOpen source ↗

      Install claude mcp add octocode -- npx @muvon/octocode

      459GitHub starsstable
    • 9

      MCP
      Active

      Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.

      TypeScriptLicense: MIT
      • accuracy
      • agents
      • claude-skills
      • context
      • harness

      githubmeasured growthOpen source ↗

      434GitHub stars+5 (+1.2 %)
    • 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

      Skill
      Active

      FoJin-powered Buddhist AI persona framework — source-grounded, boundary-aware, fidelity-tested, runtime-ready.

      PythonLicense: MIT
      • agent-skills
      • ai-persona
      • bdrc
      • buddhism
      • chinese-buddhism

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/xr843/Master-skill ~/.claude/skills/Master-skill

      382GitHub stars+5 (+1.3 %)
    • 12

      MCP
      Active

      Local-first RAG server for developers. Semantic + keyword search for code and technical docs. Works with MCP or CLI. Fully private, zero setup.

      TypeScriptLicense: MIT
      • agent-skills
      • cli-tool
      • developer-tools
      • hybrid-search
      • local-first

      githubmeasured growthOpen source ↗

      381GitHub stars+5 (+1.3 %)
    • 13

      MCP
      Active

      Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

      JavaLicense: Apache-2.0
      • a2a
      • ai-agents
      • ai-orchestration
      • chatbot
      • conversation-memory

      githubmeasured growthOpen source ↗

      372GitHub stars+1 (+0.27 %)
    • 14

      MCP
      Active

      Local-first document management and semantic search for AI coding agents

      TypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add mcp-documentation-server -- npx @andrea9293/mcp-documentation-server

        342GitHub starsstable
      • 15

        MCP
        Active

        Universal MCP Server with advanced AI memory capabilities and semantic search.

        ↓ 913 downloads/weekPythonLicense: Apache-2.0

          mcpmeasured growthOpen source ↗

          Install claude mcp add marm-mcp-server -- uvx marm-mcp-server

          339GitHub starsstable
        • 16

          Other
          Active

          An intentionally vulnerable OWASP LLM Top 10 training platform for AI Security, Prompt Injection, RAG Security, Agent Security, and GenAI penetration testing.

          PythonLicense: MIT
          • agent-security
          • ai-security
          • ai-security-tool
          • artificial-intelligence
          • ctf

          githubmeasured growthOpen source ↗

          311GitHub stars+6 (+2.0 %)
        • 17

          MCP
          Active

          AURA is a production-tested SRE agent platform you can deploy in minutes. AURA handles the guardrails, APIs, state management, streaming, and failure handling required to put AI to work safely on production infrastructure.

          RustLicense: Apache-2.0
          • a2a
          • ai-agent-framework
          • ai-agents
          • ai-sre
          • aiops

          githubmeasured growthOpen source ↗

          291GitHub stars+33 (+12.8 %)
        • 18

          MCP
          Active

          Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.

          ↓ 85 downloads/weekRustLicense: Apache-2.0

            mcpmeasured growthOpen source ↗

            Install claude mcp add shodh-memory -- npx @shodh/memory-mcp

            276GitHub starsstable
          • 19

            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

            244GitHub stars+25 (+11.4 %)
          • 20

            MCP
            Active

            A semantic search engine for files and code.

            PythonLicense: MIT

              mcpmeasured growthOpen source ↗

              Install claude mcp add vexor -- uvx vexor

              239GitHub starsstable
            • 21

              Skill
              Active

              Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

              PythonLicense: Apache-2.0
              • agent-skills
              • ai-agents
              • claude-code
              • codex
              • cursor

              githubmeasured growthOpen source ↗

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

              230GitHub stars+4 (+1.8 %)
            • 22

              Skill
              Active

              The Complete AI Development Toolkit for Claude Code. 106 skills, 36 agents, 171 hooks. Install `ork` for stable (v9.x), or `ork-alpha` for the v10 line, which ships daily.

              TypeScriptLicense: MIT
              • agent-orchestration
              • agents
              • ai-agents
              • ai-development
              • anthropic

              githubmeasured growthOpen source ↗

              Install /plugin marketplace add yonatangross/orchestkit

              227GitHub stars+3 (+1.3 %)
            • 23

              MCP
              Active

              USPTO patent creation system with MCP server + Claude Code plugin. Hybrid RAG search over MPEP/USC/CFR, BigQuery access to 76M+ patents, automated 35 USC 112 compliance checks, prior art search, diagram generation. GPU-accelerated with…

              PythonLicense: MIT
              • bigquery
              • claude-code
              • claude-code-plugin
              • faiss
              • mcp-server

              githubmeasured growthOpen source ↗

              178GitHub stars+2 (+1.1 %)

            Learning resources

            Ranked by known GitHub stars, highest first; archived repositories come after maintained repositories. These resources remain available separately and do not take part in the main tool ranking.

            1. 1

              azure-openai-llm-notes

              Skill
              ActiveOpen source ↗

              A curated collection of resources for 🌌 Azure OpenAI, 🦙 LLMs (+RAG, Agents). Monthly Updates.

              Python
              • agent
              • agent-framework
              • agent-skills
              • ai-engineering
              • ai-tools
              github

              Install git clone https://github.com/kimtth/azure-openai-llm-notes ~/.claude/skills/azure-openai-llm-notes

              Resourcemeasured growth
              410GitHub starsstable
            2. 2

              agent-systems-handbook

              Agent
              ActiveOpen source ↗

              A practical AI agents handbook covering agent systems, agentic workflows, LangGraph, MCP/A2A, context engineering, agent memory, evaluation, observability, and multi-agent architecture. Current trend focus: Gemini Interactions API and…

              MDX
              • a2a
              • agent-framework
              • agent-memory
              • agentic-ai
              • agentic-workflow
              githubResourcemeasured growth
              316GitHub stars+3 (+0.96 %)