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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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

    Agent skills for Qdrant vector search: scaling, performance optimization, search quality, monitoring, deployment, model migration, version upgrades, and SDK usage across Python, TypeScript, Rust, Go, .NET, Java

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

    githubmeasured growthOpen source ↗

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

    230GitHub stars+4 (+1.8 %)
  2. 2

    Agent
    Active

    专利侵权分析系统 —— 输入专利公开号，产出竞品侵权分析报告；同时打包成 skill，可被任意 agent（dsh, codex, claudecode 等） 调用。

    Python
    • agentic-ai
    • claim-chart
    • claude-code
    • claude-code-skill
    • codex

    githubmeasured growthOpen source ↗

    58GitHub stars+1 (+1.8 %)
  3. 3

    Skill
    Active

    Persistent memory for Claude Code and 6 other CLI agents, stored as plain markdown in your Obsidian vault. Stop re-explaining your projects, decisions and people every session. 45 commands: hybrid semantic search, self-rewriting notes,…

    PythonLicense: MIT
    • agent-skills
    • ai-agents
    • ai-note-taking
    • ai-second-brain
    • anthropic

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/eugeniughelbur/obsidian-second-brain ~/.claude/skills/obsidian-second-brain

    4 314GitHub stars+73 (+1.7 %)
  4. 4

    MCP
    Active

    RuvNet Brain — a downloadable, source-grounded brain for Claude Code over Reuven Cohen's (rUv's) RuvNet stack: RuVector/RVF, Ruflo, AgentDB, RuLake, SPARC + 21 building blocks. Grounds Claude in real source via one MCP tool (search_ruvnet),…

    JavaScript
    • agentdb
    • ai-agents
    • anthropic-claude
    • claude-code
    • claude-code-plugin

    githubmeasured growthOpen source ↗

    65GitHub stars+1 (+1.6 %)
  5. 5

    MCP
    Active

    Persistent memory for Claude Code & Codex CLI. Auto-extracted knowledge graph, multi-representation embeddings, 3D WebGL visualization. LongMemEval R@5=97.45%. Self-hosted, Ollama-optional

    PythonLicense: MIT
    • ai-memory
    • ai-tools
    • anthropic
    • chromadb
    • claude-code

    githubmeasured growthOpen source ↗

    67GitHub stars+1 (+1.5 %)
  6. 6

    Agent
    Active

    Ruby's capable AI runtime

    RubyLicense: MIT
    • a2a
    • a2a-client
    • agent
    • agent2agent
    • agents

    githubmeasured growthOpen source ↗

    139GitHub stars+2 (+1.5 %)
  7. 7

    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

    975GitHub stars+13 (+1.4 %)
  8. 8

    Skill
    Active

    A lightweight, lightning-fast, in-process vector database

    C++License: Apache-2.0
    • agent-skills
    • db
    • embedded
    • faiss
    • fts

    githubmeasured growthOpen source ↗

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

    15 741GitHub stars+209 (+1.3 %)
  9. 9

    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

    227GitHub stars+3 (+1.3 %)
  10. 10

    MCP
    Active

    Local-first RAG server for developers. Semantic + keyword search for code and technical docs. Works with MCP or CLI. Fully private, zero setup.

    TypeScriptLicense: MIT
    • agent-skills
    • cli-tool
    • developer-tools
    • hybrid-search
    • local-first

    githubmeasured growthOpen source ↗

    381GitHub stars+5 (+1.3 %)
  11. 11

    MCP
    Active

    Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

    PythonLicense: Apache-2.0
    • agent
    • ai
    • anthropic
    • claude-code
    • compression

    githubmeasured growthOpen source ↗

    68 835GitHub stars+901 (+1.3 %)
  12. 12

    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

    382GitHub stars+5 (+1.3 %)
  13. 13

    Skill
    Active

    Deepdive skill for Claude Code — 12-phase research pipeline: plan-review gate, parallel sub-agent search, claims-ledger triangulation with dissent protection, relevance × authority evidence filter, multi-angle red team, four-layer citation…

    PythonLicense: MIT
    • agent-skills
    • agentic-workflow
    • ai-research-assistant
    • anthropic
    • citation-verification

    githubmeasured growthOpen source ↗

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

    393GitHub stars+5 (+1.3 %)
  14. 14

    Skill
    Active

    Harness engineering applied to knowledge production: a self-evolving multi-agent newsroom that turns your documents into a cross-linked markdown wiki. A "reground" loop pulls published pages back in before they go stale — writer ≠ reviewer,…

    PythonLicense: MIT
    • agentic-ai
    • ai-agents
    • claude
    • claude-code
    • claude-skills

    githubmeasured growthOpen source ↗

    Install git clone https://github.com/alfadur7/llm-wiki-newsroom ~/.claude/skills/llm-wiki-newsroom

    80GitHub stars+1 (+1.3 %)
  15. 15

    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 560GitHub stars+32 (+1.3 %)
  16. 16

    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 %)
  17. 17

    MCP
    Active

    Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.

    TypeScriptLicense: MIT
    • accuracy
    • agents
    • claude-skills
    • context
    • harness

    githubmeasured growthOpen source ↗

    434GitHub stars+5 (+1.2 %)
  18. 18

    MCP
    Active

    USPTO patent creation system with MCP server + Claude Code plugin. Hybrid RAG search over MPEP/USC/CFR, BigQuery access to 76M+ patents, automated 35 USC 112 compliance checks, prior art search, diagram generation. GPU-accelerated with…

    PythonLicense: MIT
    • bigquery
    • claude-code
    • claude-code-plugin
    • faiss
    • mcp-server

    githubmeasured growthOpen source ↗

    178GitHub stars+2 (+1.1 %)
  19. 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

    102GitHub stars+1 (+0.99 %)
  20. 20

    MCP
    Active

    Self improving agents through iterations

    PythonLicense: Apache-2.0
    • agent-learning
    • agent-memory
    • agentic-workflows
    • ai-agents
    • claude-code

    githubmeasured growthOpen source ↗

    105GitHub stars+1 (+0.96 %)
  21. 21

    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+7 (+0.95 %)
  22. 22

    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 763GitHub stars+16 (+0.92 %)
  23. 23

    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

      117GitHub stars+1 (+0.86 %)

    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

      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+3 (+0.96 %)
    2. 2

      dspy-skills

      Skill
      ActiveOpen source ↗

      Collection of Claude Skills for DSPy framework - program language models, optimize prompts, and build RAG pipelines systematically

      PythonLicense: MIT
      • agent-skills
      • claude-code
      • claude-skills
      • dspy
      • llm
      github

      Install git clone https://github.com/OmidZamani/dspy-skills ~/.claude/skills/dspy-skills

      Resourcemeasured growth
      122GitHub stars+1 (+0.83 %)