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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144 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

    MCP
    Active

    Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.

    ↓ 85 downloads/weekRustLicense: Apache-2.0

      mcpmeasured growthOpen source ↗

      Install claude mcp add shodh-memory -- npx @shodh/memory-mcp

      276GitHub stars+1 (+0.36 %)
    • 2

      MCP
      Active

      Config-driven engine that turns JSON into production-grade AI agents. Multi-agent orchestration, 12+ LLM providers, MCP/A2A protocols, RAG, persistent memory, and enterprise compliance (EU AI Act, GDPR, HIPAA). Built on Quarkus.

      JavaLicense: Apache-2.0
      • a2a
      • ai-agents
      • ai-orchestration
      • chatbot
      • conversation-memory

      githubmeasured growthOpen source ↗

      372GitHub stars+1 (+0.27 %)
    • 3

      Library
      UnknownLast commit: unavailable

      Typescript bindings for langchain

      • llm
      • ai
      • gpt3
      • chain
      • prompt

      npmmeasured growthOpen source ↗

      Install npm install langchain

      1 997 384downloads over 7 days-22 207 (-1.1 %)
    • 4

      Library
      UnknownLast commit: unavailable

      Embeddings, Retrieval, and Reranking

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

      pypimeasured growthOpen source ↗

      Install pip install sentence-transformers

      5 313 257downloads over 7 days-1 809 510 (-25.4 %)
    • 5

      Library
      UnknownLast commit: unavailable

      Interface between LLMs and your data

      • LLM
      • NLP
      • RAG
      • data
      • devtools

      pypimeasured growthOpen source ↗

      Install pip install llama-index

      762 620downloads over 7 days-556 575 (-42.2 %)
    • 6

      Agent
      Active

      An event-driven framework designed to build and orchestrate multi-agent AI systems. It enables seamless integration of AI agents with real-world data sources and systems, facilitating complex, multi-step workflows.

      PythonLicense: Apache-2.0
      • a2a
      • agentframework
      • agentic
      • agentic-ai
      • agentic-framework

      githubmeasured growthOpen source ↗

      4 950GitHub stars-2 (-0.04 %)
    • 7

      CLI
      Active

      Rust-powered code intelligence CLI for AI coding agents. Builds call graphs and hybrid semantic search indexes (Dense + Sparse + RRF + Reranker) across 7 languages. Ships as native MCP tools for Claude Code and Codex CLI.

      RustLicense: MIT
      • agent-tools
      • ai-development-tools
      • ai-tools
      • bm25
      • call-graph

      githubmeasured growthOpen source ↗

      764GitHub stars-1 (-0.13 %)
    • 8

      Other
      Active

      The .NET library to build AI agents with 30+ built-in connectors.

      C#License: MIT
      • a2a
      • agent
      • agent-framework
      • agent-orchestration
      • agent2agent

      githubmeasured growthOpen source ↗

      638GitHub starsstable
    • 9

      Skill
      Dormant

      Give Claude Code photographic memory in ONE portable file. No database, no SQLite, no ChromaDB - just a single .mv2 file you can git commit, scp, or share. Native Rust core with sub-ms operations.

      TypeScriptLicense: MIT
      • ai-tools
      • anthropic
      • claude
      • claude-agents
      • claude-ai

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/memvid/claude-brain ~/.claude/skills/claude-brain

      574GitHub stars-1 (-0.17 %)
    • 10

      Agent
      Dormant

      Aser is a lightweight, self-assembling AI Agent frame.

      PythonLicense: MIT
      • a2a-protocol
      • agent
      • agents
      • ai
      • ai-agent

      githubmeasured growthOpen source ↗

      472GitHub starsstable
    • 11

      MCP
      Active

      Local-first document management and semantic search for AI coding agents

      TypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add mcp-documentation-server -- npx @andrea9293/mcp-documentation-server

        342GitHub starsstable
      • 12

        MCP
        Active

        AURA is a production-tested SRE agent platform you can deploy in minutes. AURA handles the guardrails, APIs, state management, streaming, and failure handling required to put AI to work safely on production infrastructure.

        RustLicense: Apache-2.0
        • a2a
        • ai-agent-framework
        • ai-agents
        • ai-sre
        • aiops

        githubmeasured growthOpen source ↗

        254GitHub stars-3 (-1.2 %)
      • 13

        Skill
        Active

        The Complete AI Development Toolkit for Claude Code. 106 skills, 36 agents, 171 hooks. Install `ork` for stable (v9.x), or `ork-alpha` for the v10 line, which ships daily.

        TypeScriptLicense: MIT
        • agent-orchestration
        • agents
        • ai-agents
        • ai-development
        • anthropic

        githubmeasured growthOpen source ↗

        Install /plugin marketplace add yonatangross/orchestkit

        224GitHub starsstable
      • 14

        MCP
        Active

        Pure instruction-pack skill wrapping Ai2's Asta MCP server (Semantic Scholar). Intent-to-tool routing, safe defaults, multi-agent.

        License: MIT
        • academic
        • agent-skill
        • agent-skills
        • asta
        • asta-skill

        githubmeasured growthOpen source ↗

        182GitHub stars-1 (-0.55 %)
      • 15

        Other
        Active

        Deploy intelligence. Open-source infrastructure for AI agents in production.

        • a2a
        • agent-framework
        • agent-orchestration
        • agent-server
        • agentic-ai

        githubmeasured growthOpen source ↗

        169GitHub stars-7 (-4.0 %)
      • 16

        Skill
        Active

        Local-first, auditable Python code agent. Ships its own 30-task hidden-test benchmark plus SWE-bench Verified scored by the official harness -- every number reproducible, negative results included.

        PythonLicense: MIT
        • agent
        • agent-evaluation
        • agent-skills
        • code-agent
        • llm

        githubmeasured growthOpen source ↗

        Install git clone https://github.com/hwfengcs/DM-Code-Agent ~/.claude/skills/DM-Code-Agent

        151GitHub starsstable
      • 17

        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
      • 18

        MCP
        Active

        Apple Developer Documentation with Semantic Search, RAG, and AI reranking for MCP clients

        TypeScriptLicense: MIT

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://mcp.apple-rag.com

          116GitHub starsstable
        • 19

          Skill
          Active

          SRA-Bench and SR-Agents: a benchmark and toolkit for skill-retrieval-augmented LLM agents.

          PythonLicense: MIT
          • agent-memory
          • agent-skills
          • agentic-ai
          • benchmark
          • llm-based-agents

          githubmeasured growthOpen source ↗

          Install git clone https://github.com/oneal2000/SR-Agents ~/.claude/skills/SR-Agents

          101GitHub starsstable
        • 20

          Agent
          Active

          Data-Agent：从 0 到 1 构建 Text2SQL 智能体实战教程，覆盖 StateGraph 编排、双重 RAG、关系图谱、HITL 人工确认、SQL 自动纠错、Python Docker 沙盒执行与 A2A + SSE 流式交互。

          Kotlin
          • a2a
          • ai-agent
          • human-in-the-loop
          • rag
          • stategraph

          githubmeasured growthOpen source ↗

          100GitHub starsstable
        • 21

          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
        • 22

          Agent
          Active

          🚀 Way Back Home

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

          githubmeasured growthOpen source ↗

          96GitHub starsstable
        • 23

          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

        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

          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 stars+1 (+0.24 %)
        2. 2

          membrane

          Skill
          DormantOpen 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