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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124 entries in this view.

Tool ranking

Mixed ranking: measured growth takes priority; entries without two snapshots are estimated. 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

    A self-hosted knowledge platform for humans and AI agents — publish wikis, blogs, and portable Agent Skills.

    TypeScriptLicense: Apache-2.0
    • agent-skills
    • ai-agent
    • blog
    • golang
    • knowledge-base

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/Ciao1019/Petrichor ~/.claude/skills/Petrichor

    127GitHub stars+1 (+0.79 %)
  2. 2

    Skill
    Active

    Distill any document corpus into a navigable skill hierarchy for LLM agents — no retrieval system needed at serve time.

    PythonLicense: MIT
    • agent-skills
    • emnlp-2026
    • enterprise-search
    • llm
    • llm-agents

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/dukesun99/Corpus2Skill ~/.claude/skills/Corpus2Skill

    84GitHub stars+1 (+1.2 %)
  3. 3

    Skill
    Active

    Graph RAG on SQLite for AI agents: vector retrieval + hand-curated wikilink graph + cross-encoder rerank, with a zero-token per-turn memory ledger. Working pilot.

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

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/tonydzi/sqlite-graph-memory ~/.claude/skills/sqlite-graph-memory

    8GitHub stars+1 (+14.3 %)
  4. 4

    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 starsstable
  5. 5

    Skill
    Active

    Find out what your coding agents already know. Docmancer indexes the memory, rules, and instructions Claude Code, Codex, Cursor, and Gemini wrote on your machine, then carries the durable parts to every agent. It is local-first and under…

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

    githubmeasured growthOpen source ↗

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

    123GitHub starsstable
  6. 6

    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
  7. 7

    MCP
    Active

    Semantic search across 6,236 Quran verses and 12,416 authentic Hadiths for Islamic guidance.

    TypeScriptLicense: NOASSERTION

      mcpmeasured growthOpen source ↗

      Remote server, to be declared in the MCP configuration https://criterion.life/api/mcp

      20GitHub starsstable
    • 8

      Skill
      Active

      Personal knowledge vault plugin for Claude Code — session recording, memory distillation, and hybrid semantic + BM25 retrieval.

      PythonLicense: Apache-2.0
      • agent-memory
      • bm25
      • chromadb
      • claude-code
      • claude-code-plugin

      githubmeasured growthOpen source ↗

      Install /plugin marketplace add XBlueSky/cortexes

      20GitHub starsstable
    • 9

      MCP
      Active

      Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.

      ↓ 92 downloads/weekGoLicense: NOASSERTION

        mcpmeasured growthOpen source ↗

        Install claude mcp add same -- npx @sgx-labs/same

        23GitHub starsstable
      • 10

        MCP
        Active

        Knowledge base for Claude Code with semantic search, feed intelligence, and teams

        ↓ 29 downloads/weekPythonLicense: NOASSERTION

          mcpmeasured growthOpen source ↗

          Install claude mcp add distillery-mcp -- uvx distillery-mcp

          24GitHub starsstable
        • 11

          Skill
          Active

          Scaffolding skill + always-on conventions (CLAUDE.md/AGENTS.md) for Quarkus + LangChain4j agentic AI apps: AI services, multi-agent workflows, and RAG. Installable in Claude Code, Codex, Copilot, Cursor, and any Agent Skills-compatible…

          ShellLicense: Apache-2.0
          • agent-skills
          • ai
          • ai-agents
          • claude-code
          • claude-code-plugin

          githubmeasured growthOpen source ↗

          Install /plugin marketplace add eldermoraes/quarkus-agentic-scaffolding

          26GitHub starsstable
        • 12

          Library
          UnknownLast commit: unavailable

          Typescript bindings for langchain

          • llm
          • ai
          • gpt3
          • chain
          • prompt

          npmmeasured growthOpen source ↗

          Install npm install langchain

          2 147 995downloads over 7 days-154 912 (-6.7 %)
        • 13

          Library
          UnknownLast commit: unavailable

          Interface between LLMs and your data

          • LLM
          • NLP
          • RAG
          • data
          • devtools

          pypimeasured growthOpen source ↗

          Install pip install llama-index

          777 745downloads over 7 days-72 798 (-8.6 %)
        • 14

          Library
          UnknownLast commit: unavailable

          Embeddings, Retrieval, and Reranking

          • Transformer Networks
          • BERT
          • XLNet
          • sentence embedding
          • PyTorch

          pypimeasured growthOpen source ↗

          Install pip install sentence-transformers

          5 337 501downloads over 7 days-354 838 (-6.2 %)
        • 15

          Agent
          Active

          Vane is an AI-powered answering engine.

          TypeScriptLicense: MIT
          • ai-agents
          • ai-search-engine
          • answering-engine
          • artificial-intelligence
          • llm

          githubestimated momentumOpen source ↗

          36 578GitHub stars—

        Learning resources

        Mixed ranking: measured growth takes priority; entries without two snapshots are estimated. These resources remain available separately and do not take part in the main tool ranking.

        1. 1

          ai-agent-architecture

          Other
          ActiveOpen source ↗

          Build LLM systems you actually control. A free, open engineering book + course — from tokenization to serving your own models. Mechanisms, trade-offs, and numbers, not prompt tips

          HTML
          • a2a-protocol
          • ai
          • ai-agents
          • context-engineering
          • distributed-systems
          githubResourcemeasured growth
          46GitHub starsstable
        2. 2

          Agentic_AI_Engineer

          Agent
          ActiveOpen source ↗

          My complete journey to becoming an Agentic AI Engineer through structured learning, projects, experiments, and production-ready implementations of modern AI systems.

          Jupyter NotebookLicense: MIT
          • a2a-protocol
          • agent-orchestration
          • ai-guardrails
          • fastapi
          • kubernetes
          githubResourcemeasured growth
          18GitHub starsstable
        3. 3

          membrane

          Skill
          ActiveOpen source ↗

          A selective learning and memory substrate for agentic systems — typed, revisable, decayable memory with competence learning and trust-aware retrieval.

          GoLicense: MIT
          • agent
          • agent-framework
          • agent-memory
          • agent-skills
          • agentic
          github

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

          Resourcemeasured growth
          94GitHub starsstable
        4. 4

          Agentic-AI-Project-Find-Deal-Opportunities

          Other
          ActiveOpen source ↗

          Detect underpriced products by scraping deals and using AI models to estimate fair prices for profit opportunity identification.

          Jupyter Notebook
          • a
          • a2a
          • activemq
          • amqp
          • awesome
          githubResourcemeasured growth
          1GitHub starsstable
        5. 5

          ai-resources

          Other
          ActiveOpen source ↗

          Comprehensive collection of AI concepts, research findings, and practical implementations. From machine learning fundamentals to cutting-edge LLMs, agents, and emerging technologies.

          PythonLicense: MIT
          • a2a
          • ai
          • azureopenai
          • mcp
          • openai
          githubResourcemeasured growth
          1GitHub starsstable
        6. 6

          awesome-agentic-ai

          MCP
          ActiveOpen source ↗

          Curated Agentic AI resources: AI agent frameworks, tutorials, courses, projects, MCP tools, research papers, evaluation, security, and production guides.

          License: CC0-1.0
          • a2a
          • agent-framework
          • agentic-ai
          • ai-agents
          • ai-engineering
          githubResourcemeasured growth
          2GitHub starsstable
        7. 7

          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
        8. 8

          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-1 (-0.32 %)
        9. 9

          ai-engineering-hub

          Agent
          ActiveOpen source ↗

          A collection of LLM-powered Real-World applications and projects

          PythonLicense: MIT
          • a2a
          • agentic-rag
          • agents
          • ai-agents
          • docker
          githubResourceestimated momentum
          0GitHub stars—