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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135 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

    Semantic search and pattern discovery for Obsidian and markdown vaults.

    TypeScript

      mcpmeasured growthOpen source ↗

      59GitHub starsstable
    • 2

      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
    • 3

      Skill
      Active

      Agent skills for LandingAI's Agentic Document Extraction (ADE) — production-ready document AI for agentic coding assistants

      License: MIT
      • ade
      • agent-skills
      • claude
      • document-extraction
      • document-processing

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/landing-ai/ade-document-processing-skills ~/.claude/skills/ade-document-processing-skills

      64GitHub starsstable
    • 4

      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
    • 5

      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
    • 6

      Agent
      Active

      🚀 Way Back Home

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

      githubmeasured growthOpen source ↗

      96GitHub starsstable
    • 7

      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 951GitHub starsstable
    • 8

      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 starsstable
    • 9

      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
      • 10

        MCP
        Active

        A semantic search engine for files and code.

        PythonLicense: MIT

          mcpmeasured growthOpen source ↗

          Install claude mcp add vexor -- uvx vexor

          239GitHub starsstable
        • 11

          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 starsstable
        • 12

          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
        • 13

          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
        • 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 ↗

          183GitHub starsstable
        • 15

          Skill
          Active

          A LangGraph-powered multi-agent deep research system featuring task planning, human-in-the-loop review, multi-source retrieval, evidence-grounded report generation, full tracing and reproducible evaluation.

          PythonLicense: MIT
          • agent
          • agent-skills
          • agentic-workflow
          • langgraph
          • llm

          githubmeasured growthOpen source ↗

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

          50GitHub starsstable
        • 16

          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 %)
        • 17

          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 %)
        • 18

          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 %)

        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

          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
        2. 2

          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
        3. 3

          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 %)
        4. 4

          claude-wiki

          Skill
          ActiveOpen source ↗

          Official Claude Documentation - Converted to 2000+ Markdown Files - All documentation sourced from first party sources- 24 categories - refreshed daily, multi-agent orchestration

          HTML
          • agents-sdk
          • anthropic
          • anthropic-api
          • claude
          • claude-ai
          github

          Install /plugin marketplace add johnzfitch/claude-wiki

          Resourcemeasured growth
          21GitHub starsstable
        5. 5

          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
        6. 6

          lit-review-agent-tools

          MCP
          ActiveOpen source ↗

          🤖 The strongest curated list of open-source AI-agent tools for literature review — 70+ tools across 11 categories (Claude Code skills, deep research, MCP servers, PDF parsing, systematic review). 面向智能体文献综述的最强工具大全。

          PythonLicense: CC0-1.0
          • academic-research
          • ai-agents
          • awesome
          • awesome-list
          • claude-code
          githubResourcemeasured growth
          16GitHub stars+3 (+23.1 %)
        7. 7

          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