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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133 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

    【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 624GitHub stars+98 (+0.21 %)
  2. 2

    Skill
    Dormant

    小遥搜索，听懂你的话、看懂你的图，用AI找到本地任何文件。让搜索像聊天一样简单。XiaoyaoSearch: Understands your words, reads your images, finds any local file with AI. Making search as easy as chatting.

    Python
    • agent-skills
    • ai-search
    • document-search
    • file-search
    • local-search

    githubmeasured growthOpen source ↗

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

    1 085GitHub stars+2 (+0.18 %)
  3. 3

    Other
    Active

    High-performance data engine for AI and multimodal workloads. Process images, audio, video, and structured data at any scale

    RustLicense: Apache-2.0
    • ai-engineering
    • ai-pipeline
    • arrow
    • artificial-intelligence
    • big-data

    githubmeasured growthOpen source ↗

    5 741GitHub stars+10 (+0.17 %)
  4. 4

    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 537GitHub stars+48 (+0.16 %)
  5. 5

    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 491GitHub stars+53 (+0.13 %)
  6. 6

    Other
    Active

    The #1 AI Harness for Building Resumes, PDFs, Cover Letters & more, locally with 100+ LLMs support.

    TypeScriptLicense: Apache-2.0
    • applicant-tracking-system
    • ats
    • hacktoberfest
    • machine-learning
    • natural-language-processing

    githubmeasured growthOpen source ↗

    28 328GitHub stars+34 (+0.12 %)
  7. 7

    Other
    Active

    Data Agent Ready Warehouse : One for Analytics, Search, AI, Python Sandbox. — rebuilt from scratch. Unified architecture on your S3.

    Rust
    • ai
    • bigdata
    • cloud-native
    • database
    • elasticsearch

    githubmeasured growthOpen source ↗

    9 434GitHub stars+10 (+0.11 %)
  8. 8

    Other
    Active

    CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

    JavaLicense: Apache-2.0
    • analytics
    • big-data
    • cratedb
    • database
    • dbms

    githubmeasured growthOpen source ↗

    4 432GitHub stars+3 (+0.07 %)
  9. 9

    Library
    Active

    LakeSoul is an end-to-end, realtime cloud-native Lakehouse framework for fast data ingestion, concurrent updates, incremental analytics, multimodal data processing and vector search — powering next-generation BI and AI workloads.

    JavaLicense: Apache-2.0
    • arrow
    • daft
    • datafusion
    • flink
    • gluten

    githubmeasured growthOpen source ↗

    3 249GitHub stars+2 (+0.06 %)
  10. 10

    Agent
    Active

    BISHENG is an open LLM devops platform for next generation Enterprise AI applications. Powerful and comprehensive features include: GenAI workflow, RAG, Agent, Unified model management, Evaluation, SFT, Dataset Management, Enterprise-level…

    PythonLicense: Apache-2.0
    • agent
    • ai
    • chatbot
    • enterprise
    • finetune

    githubmeasured growthOpen source ↗

    11 923GitHub stars+3 (+0.03 %)
  11. 11

    Agent
    Active

    TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.

    GoLicense: Apache-2.0
    • agent
    • agent-context
    • agent-memory
    • agentic
    • ai

    githubmeasured growthOpen source ↗

    40 487GitHub stars+9 (+0.02 %)
  12. 12

    Skill
    Active

    Local-first AI knowledge app and Agent Skill with evidence-backed Wiki, an interactive knowledge universe, Viki Q&A, and shareable knowledge galaxies.

    JavaScriptLicense: MIT
    • agent-skills
    • ai-agents
    • ai-assistant
    • claude-code
    • codex

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/NimaChu/my-wiki ~/.claude/skills/my-wiki

    123GitHub starsstable
  13. 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 starsstable
    • 14

      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 starsstable
      • 15

        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 starsstable
        • 16

          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 starsstable
          • 17

            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 starsstable
            • 18

              Skill
              Active

              Lightweight Doc-to-agent-ready knowledge pipeline. Three-stage Bronze→Silver→Gold architecture extracts structured elements, page content, and AI-enriched metadata from research papers and books. Generate PRDs, workflows, topic clusters,…

              Python
              • agent-use-ready
              • ai-agents
              • claude-code
              • claude-skills
              • doc-converter

              githubmeasured growthOpen source ↗

              Install git clone https://github.com/agentii-ai/DocMeld ~/.claude/skills/DocMeld

              100GitHub starsstable
            • 19

              Agent
              Active

              🚀 Way Back Home

              PythonLicense: Apache-2.0
              • a2a
              • adk
              • agents
              • bigquery
              • google-cloud

              githubmeasured growthOpen source ↗

              96GitHub starsstable
            • 20

              MCP
              Active

              Cross-platform persistent memory MCP for Codex, Gemini CLI, Claude Code, and other local MCP hosts. 36 cited neuroscience mechanisms, local-first SQLite/PostgreSQL, hybrid retrieval, decay-based consolidation, and reproducible benchmarks.…

              PythonLicense: MIT
              • agent-memory-system
              • agent-skills
              • causal-inference
              • claude-code
              • codex

              githubmeasured growthOpen source ↗

              71GitHub starsstable
            • 21

              Skill
              Active

              The official Pinecone marketplace for Claude Code Plugins

              PythonLicense: MIT
              • anthropic-claude
              • claude-code
              • claude-code-plugin
              • claude-code-plugin-marketplace
              • hybrid-search

              githubmeasured growthOpen source ↗

              Install /plugin marketplace add pinecone-io/pinecone-claude-code-plugin

              68GitHub starsstable
            • 22

              Skill
              Active

              Semantic Scholar API wrapper for agents — search 200M+ papers, traverse citations, find authors. Python, rate-limited, multi-agent.

              PythonLicense: MIT
              • academic
              • agent-skill
              • agent-skills
              • citations
              • claude-code

              githubmeasured growthOpen source ↗

              Install git clone https://github.com/Agents365-ai/semanticscholar-skill ~/.claude/skills/semanticscholar-skill

              68GitHub starsstable
            • 23

              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 starsstable
              • 24

                MCP
                Active

                Token-efficient code review knowledge graph: semantic search and call-graph resolution.

                PythonLicense: Apache-2.0

                  mcpmeasured growthOpen source ↗

                  Install claude mcp add better-code-review-graph -- uvx better-code-review-graph

                  66GitHub starsstable

                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+46 (+0.12 %)