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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112 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

    App
    Active

    World's first open-source enterprise world model.

    RustLicense: Apache-2.0
    • agent-memory
    • bitemporal
    • graphrag
    • knowledge-base
    • knowledge-graph

    githubmeasured growthOpen source ↗

    2 428GitHub stars+1 596 (+191.8 %)
  2. 2

    Agent
    Active

    AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist Claude agents (FastAPI + Next.js).

    Python
    • ai
    • anthropic
    • claude
    • fastapi
    • llm

    githubmeasured growthOpen source ↗

    3 488GitHub stars+1 925 (+123.2 %)
  3. 3

    Skill
    Active

    AI-agent skill producing reusable Markdown from PDFs. It turns flowcharts, diagrams, and charts into text beside each caption instead of empty links. It checks an earlier conversion against the PDF and fixes misread or missing parts. Long…

    PythonLicense: AGPL-3.0
    • agent-skills
    • ai-agents
    • codex
    • codex-skill
    • document-conversion

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/libnyx/LT2MD ~/.claude/skills/LT2MD

    89GitHub stars+38 (+74.5 %)
  4. 4

    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

    424GitHub stars+170 (+66.9 %)
  5. 5

    MCP
    Active

    Local-first MCP memory server: SQLite, FTS5 and vector search, AES-256-GCM. 55 tools, no cloud.

    RustLicense: MIT

      mcpmeasured growthOpen source ↗

      67GitHub stars+14 (+26.4 %)
    • 6

      MCP
      Active

      Semantic search and pattern discovery for Obsidian and markdown vaults.

      TypeScript

        mcpmeasured growthOpen source ↗

        59GitHub stars+7 (+13.5 %)
      • 7

        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

        638GitHub stars+54 (+9.2 %)
      • 8

        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

        233GitHub stars+17 (+7.9 %)
      • 9

        MCP
        Active

        Pay-per-use IBM Granite AI via x402: chat, code, embeddings, forecasting. USDC on Base or Solana.

        JavaScriptLicense: Apache-2.0

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://three.ws/api/ibm-mcp

          105GitHub stars+7 (+7.1 %)
        • 10

          MCP
          Active

          Alibaba Cloud DashScope MCP: Qwen chat, embeddings, and model discovery on your own account.

          ↓ 84 downloads/weekJavaScriptLicense: Apache-2.0

            mcpmeasured growthOpen source ↗

            Install claude mcp add alibaba-cloud -- npx @three-ws/alibaba-cloud-mcp

            105GitHub stars+7 (+7.1 %)
          • 11

            MCP
            Active

            IBM watsonx.ai MCP by three.ws: chat, text generation, embeddings, and tokenization.

            ↓ 73 downloads/weekJavaScriptLicense: Apache-2.0

              mcpmeasured growthOpen source ↗

              Install claude mcp add ibm-watsonx -- npx @three-ws/ibm-watsonx-mcp

              105GitHub stars+7 (+7.1 %)
            • 12

              MCP
              Active

              x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.

              ↓ 70 downloads/weekJavaScriptLicense: Apache-2.0

                mcpmeasured growthOpen source ↗

                Install claude mcp add ibm-x402-mcp -- npx @three-ws/ibm-x402-mcp

                105GitHub stars+7 (+7.1 %)
              • 13

                Other
                Active

                Graph-Native Infrastructure for Context and Accountable AI Systems

                PythonLicense: MIT
                • agent-memory
                • ai
                • ai-governance
                • ai-infrastructure
                • artificial-intelligence

                githubmeasured growthOpen source ↗

                11 740GitHub stars+678 (+6.1 %)
              • 14

                Skill
                Active

                Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

                PythonLicense: MIT
                • agent-skills
                • ai-agents
                • book-to-skill
                • context-engineering
                • document-processing

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill

                27 824GitHub stars+1 525 (+5.8 %)
              • 15

                Other
                Active

                剧本分镜工具智能体（PenShot）：电影/动漫/短剧/小说/剧本→分镜→片段→prompt | 基于 LangGraph+LLM，自动解析任意格式剧本，生成 Sora/Veo/Runway 等模型可用的连贯text-to-video提示词。保持角色/剧情跨片段一致，支持 MCP/REST API/函数调用 | Python库 + A2A集成。（LLM-powered screenplay-to-video-prompt agent. Break scripts into…

                PythonLicense: MIT
                • agent-to-agent
                • ai-filmmaking
                • ai-video-generation
                • character-consistency
                • function-calling

                githubmeasured growthOpen source ↗

                157GitHub stars+6 (+4.0 %)
              • 16

                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 %)
              • 17

                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 %)
              • 18

                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 %)
              • 19

                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 589GitHub stars+144 (+2.2 %)
              • 20

                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+5 (+2.2 %)
              • 21

                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

                605GitHub stars+13 (+2.2 %)
              • 22

                Skill
                Active

                Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

                PythonLicense: Apache-2.0
                • ai-agents
                • antigravity
                • ast
                • claude-code
                • code-analysis

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/Graphify-Labs/graphify ~/.claude/skills/graphify

                114 054GitHub stars+2 404 (+2.2 %)
              • 23

                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 %)
                • 24

                  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 %)

                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

                  atlas-agent-control-plane

                  Skill
                  ActiveOpen source ↗

                  AtlasAgent - an auditable AI agent control plane: evidence-backed memory, governed tool runtime, checkpoint DAG recovery, and a 55-chapter engineering tutorial. FastAPI / Next.js PWA / Textual TUI

                  PythonLicense: MIT
                  • agent
                  • agent-framework
                  • agent-orchestration
                  • agent-skills
                  • agentic-ai
                  github

                  Install git clone https://github.com/malevrigns/atlas-agent-control-plane ~/.claude/skills/atlas-agent-control-plane

                  Resourcemeasured growth
                  105GitHub stars+47 (+81.0 %)