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.

Use case

Activity

Sort by

136 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

    Skill
    Active

    Cognee is the open-source AI memory platform for agents. Give your AI agents persistent long-term memory across sessions with a self-hosted knowledge graph engine.

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

    githubmeasured growthOpen source ↗

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

    30 361GitHub stars+97 (+0.32 %)
  2. 2

    MCP
    Active

    {GIN} verdict, M-Value AVM, market facts + semantic search for Moroccan real estate. Moat-safe.

    ↓ 62 downloads/weekJavaScriptLicense: MIT

      mcpmeasured growthOpen source ↗

      Install claude mcp add marocain-mcp-server -- npx @marocain/mcp-server

      1GitHub stars+1
    • 3

      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

      226GitHub stars+15 (+7.1 %)
    • 4

      Skill
      Active

      Agent Skills for NVIDIA products — install into Claude Code, Codex, and other coding agents to run Physical AI, robotics, simulation, CUDA, and RAG workflows end to end.

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

      githubmeasured growthOpen source ↗

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

      3 148GitHub stars+43 (+1.4 %)
    • 5

      Other
      Active

      【低代码v2.0，一句话即可生成整个系统】企业级AI低代码平台，一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖：AI聊天、知识库、流程编排、MCP插件等，兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式，解决 Java 项目 90% 重复工作，提高效率又不失灵活。

      JavaLicense: Apache-2.0
      • activiti
      • agent
      • ai
      • antd
      • claude-code

      githubmeasured growthOpen source ↗

      47 556GitHub stars+80 (+0.17 %)
    • 6

      MCP
      Active

      Semantic search and pattern discovery for Obsidian and markdown vaults.

      TypeScript

        mcpmeasured growthOpen source ↗

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

        Agent
        Active

        FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develop and deploy complex…

        TypeScript
        • agent
        • claude
        • deepseek
        • llm
        • mcp

        githubmeasured growthOpen source ↗

        29 525GitHub stars+67 (+0.23 %)
      • 8

        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+16 (+4.4 %)
      • 9

        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 stars+1 (+50.0 %)
      • 10

        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 stars+1 (+50.0 %)
      • 11

        MCP
        Active

        🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。

        PythonLicense: GPL-3.0
        • agent
        • agentic-ai
        • chatbot
        • deepseek-r1
        • knowledgebase

        githubmeasured growthOpen source ↗

        22 657GitHub stars+53 (+0.23 %)
      • 12

        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+18 (+2.5 %)
      • 13

        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 %)
        • 14

          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 %)
          • 15

            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 %)
            • 16

              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 %)
              • 17

                MCP
                Active

                A Go framework for building production agent systems with graph workflows, tools, memory, A2A, AG-UI, MCP, evaluation, and observability.

                GoLicense: Apache-2.0
                • a2a
                • a2a-protocol
                • ag-ui
                • agent
                • agent-framework

                githubmeasured growthOpen source ↗

                1 752GitHub stars+22 (+1.3 %)
              • 18

                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 ↗

                154GitHub stars+8 (+5.5 %)
              • 19

                MCP
                Active

                Search arXiv papers, download full text, semantic search, citation graphs, and alerts via MCP.

                PythonLicense: Apache-2.0

                  mcpmeasured growthOpen source ↗

                  Install claude mcp add arxiv-mcp-server -- uvx arxiv-mcp-server

                  3 091GitHub stars+26 (+0.85 %)
                • 20

                  MCP
                  Active

                  Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

                  ↓ 191 downloads/weekTypeScriptLicense: MIT

                    mcpmeasured growthOpen source ↗

                    Install claude mcp add calibre-mcp -- npx calibre-mcp

                    12GitHub stars+2 (+20.0 %)
                  • 21

                    Skill
                    Active

                    A persistent, unified memory layer for all your AI agents (e.g. Claude Code, Codex, DSH), backed by Markdown and Milvus.

                    PythonLicense: MIT
                    • agent
                    • agent-memory
                    • ai-agents
                    • claude-code
                    • claude-code-plugin

                    githubmeasured growthOpen source ↗

                    Install /plugin marketplace add zilliztech/memsearch

                    2 532GitHub stars+20 (+0.80 %)
                  • 22

                    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

                    965GitHub stars+14 (+1.5 %)
                  • 23

                    MCP
                    Active

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

                    GoLicense: MIT

                      mcpmeasured growthOpen source ↗

                      35GitHub stars+3 (+9.4 %)
                    • 24

                      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 502GitHub stars+29 (+0.10 %)

                    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

                      ai-engineering-hub

                      Agent
                      ActiveOpen source ↗

                      In-depth tutorials on LLMs, RAGs and real-world AI agent applications.

                      Jupyter NotebookLicense: MIT
                      • agents
                      • ai
                      • llms
                      • machine-learning
                      • mcp
                      githubResourcemeasured growth
                      37 263GitHub stars+75 (+0.20 %)