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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147 entries in this view.

Tool ranking

Ranked by measured growth, normalized across sources. 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

    Other
    Active

    Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders.

    TypeScriptLicense: Apache-2.0
    • agent-workflow
    • agentic-workflow
    • agents
    • ai
    • aiagents

    githubmeasured growthOpen source ↗

    29 510GitHub stars+36 (+0.12 %)
  2. 2

    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

    970GitHub stars+15 (+1.6 %)
  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+13 (+1.8 %)
  4. 4

    MCP
    Active

    Codebase understanding for AI coding agents — symbol graph, blast radius, semantic search.

    GoLicense: MIT

      mcpmeasured growthOpen source ↗

      35GitHub stars+3 (+9.4 %)
    • 5

      Agent
      Active

      SHM v6.10.1 — 自演化超图记忆 (CudaAccel: 本机 embedding 强制 CUDA)

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

      githubmeasured growthOpen source ↗

      6GitHub stars+1 (+20.0 %)
    • 6

      Skill
      Active

      🤖 Curated AI OSINT resources — Google dorks, Shodan queries, GitHub dorks, and techniques to discover exposed LLM endpoints, leaked AI API keys, misconfigured vector databases, and unprotected AI agents

      • agent-skills
      • ai-osint
      • ai-security
      • bug-bounty
      • clawhavoc

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/7WaySecurity/ai_osint ~/.claude/skills/ai_osint

      159GitHub stars+6 (+3.9 %)
    • 7

      MCP
      Active

      Google NotebookLM over MCP + a local HTTP REST API. Citation-backed Q&A, audio/video/content generation, multi-account rotation. For Claude Code, Codex, Cursor, n8n, Zapier, Make.

      TypeScriptLicense: MIT
      • agentic-skill
      • anthropic
      • automation
      • citations
      • claude-code

      githubmeasured growthOpen source ↗

      171GitHub stars+6 (+3.6 %)
    • 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 stars+9 (+2.0 %)
      • 9

        Agent
        Active

        6 specialized AI agents collaborating via A2A protocol to power e-commerce — product discovery, orders, pricing, reviews, inventory & support. Dual-stack (Python + .NET/C#) with generative UI. Built with Microsoft Agent Framework, FastAPI,…

        PythonLicense: MIT
        • a2a-protocol
        • ai-agents
        • aspire-dashboard
        • azure-openai
        • csharp

        githubmeasured growthOpen source ↗

        22GitHub stars+2 (+10.0 %)
      • 10

        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 ↗

        310GitHub stars+7 (+2.3 %)
      • 11

        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+6 (+2.7 %)
      • 12

        MCP
        Active

        Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.

        ↓ 61 downloads/weekTypeScriptLicense: Apache-2.0

          mcpmeasured growthOpen source ↗

          Install claude mcp add obsidian-brain -- npx obsidian-brain

          10GitHub stars+1 (+11.1 %)
        • 13

          Skill
          Active

          Production-grade AI coding rules for Cursor and Claude Code. 15 rules + 9 doc templates + skills + agents + MCP setup. Drop into any project.

          PythonLicense: MIT
          • ai-agents
          • ai-coding
          • ai-development
          • ai-engineer
          • automation

          githubmeasured growthOpen source ↗

          Install git clone https://github.com/aiagentwithdhruv/ai-dev-stack ~/.claude/skills/ai-dev-stack

          10GitHub stars+1 (+11.1 %)
        • 14

          MCP
          Active

          Context Engineering: Build Consistent, Accurate, Predictable AI Systems

          PythonLicense: Apache-2.0
          • agent-skills
          • agentic-ai
          • context-engineering
          • generative-ai
          • llm

          githubmeasured growthOpen source ↗

          135GitHub stars+4 (+3.1 %)
        • 15

          MCP
          Active

          MCP server for local codebase indexing, semantic search, and code dependency graphs.

          ↓ 1 242 downloads/weekTypeScriptLicense: AGPL-3.0

            mcpmeasured growthOpen source ↗

            Install claude mcp add socraticode -- npx socraticode

            3 275GitHub stars+12 (+0.37 %)
          • 16

            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

            380GitHub stars+6 (+1.6 %)
          • 17

            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 ↗

            378GitHub stars+6 (+1.6 %)
          • 18

            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 ↗

            433GitHub stars+6 (+1.4 %)
          • 19

            MCP
            Dormant

            Cross-session memory for AI agents - knowledge graph, scoring, semantic search

            ↓ 292 downloads/weekTypeScriptLicense: MIT

              mcpmeasured growthOpen source ↗

              Install claude mcp add agent-knowledge -- npx agent-knowledge

              13GitHub stars+1 (+8.3 %)
            • 20

              Other
              Dormant

              nano-degree in Agentic AI

              PythonLicense: MIT
              • a2a
              • acp
              • agent
              • mcp
              • rag

              githubmeasured growthOpen source ↗

              13GitHub stars+1 (+8.3 %)
            • 21

              Library
              Active

              Opiniated RAG for integrating GenAI in your apps 🧠 Focus on your product rather than the RAG. Easy integration in existing products with customisation! Any LLM: GPT4, Groq, Llama. Any Vectorstore: PGVector, Faiss. Any Files. Anyway you…

              Python
              • ai
              • api
              • chatbot
              • chatgpt
              • database

              githubmeasured growthOpen source ↗

              39 451GitHub stars+13 (+0.03 %)
            • 22

              Skill
              Active

              Andrej Karpathy's LLM Wiki pattern as a skill & Claude Code plugin — turn accumulated sources into a self-maintaining, scalable markdown knowledge base.

              TypeScriptLicense: MIT
              • ai-tools
              • claude-code-plugin
              • claude-code-skill
              • codex-skill
              • cursor

              githubmeasured growthOpen source ↗

              Install /plugin marketplace add praneybehl/llm-wiki-plugin

              97GitHub stars+3 (+3.2 %)
            • 23

              MCP
              Active

              Persistent long-term memory for Claude Code via MCP — captures coding decisions, bugfixes, and context across sessions. Hybrid FTS5 + TF-IDF search with episode batching. Single SQLite DB, no external services. Alternative to claude-mem…

              JavaScriptLicense: MIT
              • agent-memory
              • ai-coding-assistant
              • ai-memory
              • anthropic
              • claude

              githubmeasured growthOpen source ↗

              56GitHub stars+2 (+3.7 %)
            • 24

              MCP
              Active

              Local-first AI PKM for coding conversations: import Claude Code/Cursor/Codex, distill notes, semantic search, tag graph, MCP memory.

              TypeScriptLicense: Apache-2.0
              • agent-skills
              • ai-memory
              • ai-tools
              • claude-code
              • codex

              githubmeasured growthOpen source ↗

              57GitHub stars+2 (+3.6 %)

            Learning resources

            Ranked by measured growth, normalized across sources. These resources remain available separately and do not take part in the main tool ranking.

            1. 1

              lit-review-agent-tools

              MCP
              ActiveOpen source ↗

              🤖 The strongest curated list of open-source AI-agent tools for literature review — 70+ tools across 11 categories (Claude Code skills, deep research, MCP servers, PDF parsing, systematic review). 面向智能体文献综述的最强工具大全。

              PythonLicense: CC0-1.0
              • academic-research
              • ai-agents
              • awesome
              • awesome-list
              • claude-code
              githubResourcemeasured growth
              14GitHub stars+1 (+7.7 %)