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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154 entries in this view.

Tool ranking

Ranked by creation date, newest first; undated entries come last. 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

    Local-first second brain with semantic search. Markdown notes indexed by a local ML model.

    ↓ 49 downloads/weekTypeScriptLicense: MIT

      mcpmeasured growthOpen source ↗

      Install claude mcp add memex -- npx @evan-moon/memex

      3GitHub starsstable
    • 2

      Skill
      Active

      Turn any technical book PDF into a Claude Code skill — ready to study, reference, and use while you work.

      PythonLicense: MIT
      • agent-skills
      • ai-agents
      • book-to-skill
      • context-engineering
      • document-processing

      githubmeasured growthOpen source ↗

      Install git clone https://github.com/virgiliojr94/book-to-skill ~/.claude/skills/book-to-skill

      28 556GitHub stars+1 487 (+5.5 %)
    • 3

      Agent
      Dormant

      Agent-as-a-Tool: An infinite-scale AI orchestration framework solving Tool Space Interference (TSI) via dynamic agent injection, RAG-based Agent Bank, and Zero-Trust execution using Google ADK.

      TypeScript
      • a2a
      • agent-orchestration
      • agent-to-agent
      • ai-agents
      • gemini-api

      githubmeasured growthOpen source ↗

      3GitHub starsstable
    • 4

      MCP
      Dormant

      ZKshare stdio MCP: store/prove/share, semantic search, sandbox proxy to HTTPS /api/v1/context.

      ↓ 22 downloads/weekTypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add zkshare -- npx zkshare-mcp

        0GitHub starsstable
      • 5

        MCP
        Active

        Semantic search over Polish law and case law, citing the exact in-force article.

        PythonLicense: CC0-1.0

          mcpmeasured growthOpen source ↗

          Remote server, to be declared in the MCP configuration https://mcp.nalegalu.org/mcp

          7GitHub starsstable
        • 6

          MCP
          Active

          High-performance knowledge graph MCP server for AI coding agents with semantic search.

          ↓ 50 downloads/weekRustLicense: MIT

            mcpmeasured growthOpen source ↗

            Install claude mcp add lain -- npx @spuentesp/lain-mcp

            6GitHub starsstable
          • 7

            Agent
            Dormant

            Federated Multi-Agent Real Estate System using A2A Protocol | LangGraph Orchestration | RAG Pipeline | ChromaDB | Groq LLaMA 3.1

            Python
            • a2a-protocol
            • chromadb
            • embeddings
            • fastapi
            • groq

            githubmeasured growthOpen source ↗

            0GitHub starsstable
          • 8

            Agent
            Active

            Auditable multi-agent debate platform that uses AI agents to analyze, critique, and optimize arguments through structured deliberation.

            Svelte
            • a2a
            • api
            • debate-platform
            • dms
            • multi-agent-systems

            githubmeasured growthOpen source ↗

            0GitHub starsstable
          • 9

            MCP
            Dormant

            Local semantic search — embedding-powered grep for files, zero external services.

            ↓ 45 downloads/weekPythonLicense: MIT

              mcpmeasured growthOpen source ↗

              Install claude mcp add embgrep -- uvx embgrep

              0GitHub starsstable
            • 10

              MCP
              Active

              Obsidian MCP server: semantic search, knowledge graph, and vault editing. No plugin required.

              ↓ 61 downloads/weekTypeScriptLicense: Apache-2.0

                mcpmeasured growthOpen source ↗

                Install claude mcp add obsidian-brain -- npx obsidian-brain

                10GitHub starsstable
              • 11

                Skill
                Active

                Own your LLM's web search: a local search->fetch->rank pipeline that replaces hosted web-search tools. Measured: matches hosted accuracy at 66% lower cost and up to 88% fewer tokens, plus a precision-tuned semantic caching with…

                PythonLicense: MIT
                • agent-memory
                • agent-skills
                • agentic-workflow
                • agents
                • anthropic

                githubmeasured growthOpen source ↗

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

                55GitHub starsstable
              • 12

                Skill
                Active

                Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI: local deterministic AST parsing, every edge explained, no vector store.

                PythonLicense: Apache-2.0
                • ai-agents
                • antigravity
                • ast
                • claude-code
                • code-analysis

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/Graphify-Labs/graphify ~/.claude/skills/graphify

                114 805GitHub stars+2 468 (+2.2 %)
              • 13

                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 952GitHub stars+925 (+1.4 %)
              • 14

                Skill
                Active

                Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini,…

                JavaScriptLicense: Apache-2.0
                • ai
                • ai-agents
                • ai-memory
                • anthropic
                • artificial-intelligence

                githubmeasured growthOpen source ↗

                Install /plugin marketplace add thedotmack/claude-mem

                93 211GitHub stars+617 (+0.67 %)
              • 15

                Other
                Active

                Graph-Native Infrastructure for Context and Accountable AI Systems

                PythonLicense: MIT
                • agent-memory
                • ai
                • ai-governance
                • ai-infrastructure
                • artificial-intelligence

                githubmeasured growthOpen source ↗

                12 013GitHub stars+748 (+6.6 %)
              • 16

                Agent
                Active

                Incremental engine for long horizon agents 🌟 Star if you like it!

                RustLicense: Apache-2.0
                • agentic-data-framework
                • ai
                • ai-agents
                • change-data-capture
                • codebase-intelligence

                githubmeasured growthOpen source ↗

                11 468GitHub stars+36 (+0.31 %)

              Learning resources

              Ranked by creation date, newest first; undated entries come last. These resources remain available separately and do not take part in the main tool ranking.

              1. 1

                agentic-ai-engineer-roadmap

                Agent
                DormantOpen source ↗

                Interactive roadmap for becoming an Agentic AI Engineer — 11 stages from Python & FastAPI to multi-agent systems, MCP, RAG, Docker, and context engineering

                HTML
                • a2a
                • agentic-ai
                • ai
                • containerization
                • llm
                githubResourcemeasured growth
                1GitHub starsstable
              2. 2

                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 %)
              3. 3

                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
              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

                claude-memory

                Other
                DormantOpen source ↗

                Persistent memory for Claude Code. Auto-capture decisions, learnings, client info. Cloud backup to Supabase. Never lose context again. Free alternative to Mem.ai, Rewind AI, Personal AI.

                PythonLicense: MIT
                • ai-memory
                • claude
                • claude-code
                • claude-code-skills
                • claude-memory
                githubResourcemeasured growth
                14GitHub starsstable
              6. 6

                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
              7. 7

                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 %)
              8. 8

                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
              9. 9

                GenAI-Projects

                Agent
                DormantOpen source ↗

                Collection of some interesting Generative AI usecases implementation.

                Jupyter NotebookLicense: MIT
                • a2a-protocol
                • chatbot
                • gemini-api
                • gemini-live
                • generative-ai
                githubResourcemeasured growth
                2GitHub starsstable