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.

Use case

Activity

Sort by

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

    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 %)
  2. 2

    MCP
    Active

    Suggests a relevant xkcd comic during a conversation, via semantic search over every comic.

    PythonLicense: NOASSERTION

      mcpmeasured growthOpen source ↗

      Remote server, to be declared in the MCP configuration https://xkcdai.onrender.com/mcp

      0GitHub starsstable
    • 3

      MCP
      Active

      Local markdown notes: ranked + semantic search, tags, todos, and a wiki-link knowledge graph.

      TypeScriptLicense: MIT

        mcpmeasured growthOpen source ↗

        Install claude mcp add notes -- npx @abhishekmcp/notes

        1GitHub starsstable
      • 4

        MCP
        Active

        Local-first graph memory for AI assistants with SQLite, semantic search, and MCP tools.

        PythonLicense: MIT

          mcpmeasured growthOpen source ↗

          1GitHub starsstable
        • 5

          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 %)
        • 6

          MCP
          Active

          MCP memory server for AI coding assistants. Windows Service, ONNX embeddings, SQLite vector search.

          C#

            mcpmeasured growthOpen source ↗

            0GitHub starsstable
          • 7

            MCP
            Active

            The 21 agentic design patterns, distilled to concepts (no code) — a design-phase reference for building AI agents. Works as a Claude Code skill.

            • agent2agent
            • agentic-ai
            • agentic-design-patterns
            • agentic-workflow
            • ai-agent-framework

            githubmeasured growthOpen source ↗

            7GitHub starsstable
          • 8

            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 %)
          • 9

            Agent
            Active

            Multi-agent banking customer service system built on the A2A protocol. A2A Net Hackathon.

            PythonLicense: MIT
            • a2a-protocol
            • docker
            • llm
            • multi-agent-systems
            • python

            githubmeasured growthOpen source ↗

            0GitHub starsstable
          • 10

            Skill
            Active

            Give your AI a real, persistent memory. The open-source system plus templates that turn an Obsidian vault into your AI's working memory. No vector database, just markdown.

            • agent-memory
            • ai
            • ai-agents
            • ai-memory
            • anthropic

            githubmeasured growthOpen source ↗

            Install git clone https://github.com/jaredrhod/ai-memory-vault ~/.claude/skills/ai-memory-vault

            615GitHub stars+23 (+3.9 %)
          • 11

            MCP
            Active

            Reddit & X data for AI agents over MCP. Semantic search, hosted, no Reddit API.

            mcpmeasured growthOpen source ↗

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

            0GitHub starsstable
          • 12

            MCP
            Active

            {GIN} verdict, M-Value AVM, market facts + semantic search for Moroccan real estate. Moat-safe.

            ↓ 62 downloads/weekJavaScriptLicense: MIT

              mcpmeasured growthOpen source ↗

              Install claude mcp add marocain-mcp-server -- npx @marocain/mcp-server

              1GitHub starsstable
            • 13

              Agent
              Active

              AI-powered virtual executive team — a single coherent executive persona backed by 8 specialist Claude agents (FastAPI + Next.js).

              Python
              • ai
              • anthropic
              • claude
              • fastapi
              • llm

              githubmeasured growthOpen source ↗

              3 652GitHub stars+1 125 (+44.5 %)
            • 14

              MCP
              Active

              Cloud-persistent, semantic-search memory MCP — drop-in for server-memory, backed by ZeroDB.

              ↓ 508 downloads/weekJavaScriptLicense: MIT

                mcpmeasured growthOpen source ↗

                Install claude mcp add ainative-memory-mcp -- npx ainative-memory-mcp

                0GitHub starsstable
              • 15

                Agent
                Active

                The agent framework where the model never holds the trigger — every consequential action clears your policy first, waits for a human when it matters, and lands on a record you can verify. Build on it, or put it around the agent you already…

                PythonLicense: Apache-2.0
                • a2a
                • agent-framework
                • ai-agents
                • ai-governance
                • ai-safety

                githubmeasured growthOpen source ↗

                1GitHub starsstable
              • 16

                MCP
                Active

                Local-first MCP memory server: SQLite, FTS5 and vector search, AES-256-GCM. 55 tools, no cloud.

                RustLicense: MIT

                  mcpmeasured growthOpen source ↗

                  67GitHub starsstable
                • 17

                  Other
                  Active

                  Local-first Agentic AI Infrastructure Platform with LLM Gateway, Agent DAG Runtime, MCP Tool Hub, A2A Agent Mesh, Local RAG, Tool Sandbox and Observability.

                  Python
                  • a2a
                  • agent-runtime
                  • ai-infra
                  • deepseek
                  • fastapi

                  githubmeasured growthOpen source ↗

                  1GitHub starsstable
                • 18

                  Agent
                  Active

                  AI agent that plays a city quest game using MCP, A2A, RAG, and memory. Built with Microsoft Agent Framework and Azure OpenAI

                  PythonLicense: MIT
                  • agent-to-agent
                  • ai-agents
                  • azure-ai-search
                  • azure-openai
                  • mcp

                  githubmeasured growthOpen source ↗

                  3GitHub starsstable
                • 19

                  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 %)
                • 20

                  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
                • 21

                  MCP
                  Active

                  MCP server for Zotero: search, citations, safe writes, semantic search, and PDF passages.

                  ↓ 1 201 downloads/weekTypeScriptLicense: MIT

                    mcpmeasured growthOpen source ↗

                    Install claude mcp add zoteus -- npx @oscardvs/zoteus

                    29GitHub starsstable
                  • 22

                    MCP
                    Active

                    Read-only semantic search MCP server for Obsidian vaults using local Ollama embeddings.

                    ↓ 111 downloads/weekJavaScriptLicense: MIT

                      mcpmeasured growthOpen source ↗

                      Install claude mcp add obsidian-semantic-mcp -- npx @dalecb/obsidian-semantic-mcp

                      0GitHub starsstable
                    • 23

                      MCP
                      Active

                      Fleet discovery for the cyanheads MCP ecosystem — semantic search + install snippets.

                      TypeScriptLicense: Apache-2.0

                        mcpmeasured growthOpen source ↗

                        Install claude mcp add cyanheads-mcp-server -- npx @cyanheads/cyanheads-mcp-server

                        1GitHub starsstable
                      • 24

                        MCP
                        Active

                        Six-agent system for customer support, employee Q&A, and ops workflows — same LangGraph agents runnable under two interchangeable transports: Anthropic MCP and Google A2A. Live demo on HuggingFace Spaces.

                        PythonLicense: MIT
                        • a2a
                        • agent-orchestration
                        • agent-to-agent
                        • ai-agents
                        • chromadb

                        githubmeasured growthOpen source ↗

                        0GitHub starsstable

                      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

                        awesome-agents

                        Agent
                        DormantOpen source ↗

                        50+ AI agent apps you can actually run — MCP, A2A, LangGraph, SAP, RAG, and multi-agent patterns

                        • a2a
                        • ai-agents
                        • anthropic
                        • awesome-list
                        • langchain
                        githubResourcemeasured growth
                        0GitHub starsstable