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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153 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

    AI tools for agents: chat, summarize, classify, entity extraction, embeddings, transcription. x402

    TypeScriptLicense: MIT

      mcpmeasured growthOpen source ↗

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

      1GitHub starsstable
    • 2

      MCP
      Active

      Persistent memory for AI agents — history, context, semantic search, queues. 17 tools, stdio/SSE.

      ↓ 74 downloads/weekLicense: NOASSERTION

        mcpmeasured growthOpen source ↗

        Install claude mcp add agenticmemory -- npx agmry

        1GitHub starsstable
      • 3

        Skill
        Active

        Your engineering captain: a repo-resident AI persona with a knowledge graph stored in git. Agents cite incidents, ADRs and PRs instead of guessing — 47% fewer wrong answers, 40% cheaper on a public benchmark. Claude Code plugin + CLI.

        PythonLicense: MIT
        • adr
        • agent-memory
        • ai-agents
        • ai-memory
        • claude

        githubmeasured growthOpen source ↗

        Install /plugin marketplace add ramarahmanda/tsubasa

        8GitHub starsstable
      • 4

        MCP
        Active

        Whole-repo code graph for AI agents: impact analysis, dead code, cycles, semantic search — 14 tools.

        JavaScriptLicense: MIT

          mcpmeasured growthOpen source ↗

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

          0GitHub starsstable
        • 5

          MCP
          Active

          Local semantic search over your Obsidian vault - always fresh, never reindex.

          ↓ 126 downloads/weekJavaScriptLicense: MIT

            mcpmeasured growthOpen source ↗

            Install claude mcp add freshvault -- npx freshvault

            0GitHub starsstable
          • 6

            MCP
            Active

            RAG memory for LLM agents over Garnet Vector Sets: store text as embeddings, recall by meaning.

            C#License: MIT

              mcpmeasured growthOpen source ↗

              0GitHub starsstable
            • 7

              Skill
              Active

              Automate Claude AI interactions with custom hotkeys, memory manipulation tools, and configurable settings for improved workflow performance.

              PythonLicense: MIT
              • a2a-protocol
              • a2a-server
              • activemq
              • agent
              • agent-development

              githubmeasured growthOpen source ↗

              Install /plugin marketplace add Untechnical-headwind100/Claude-AI-Unlimited-Tool-2026

              0GitHub starsstable
            • 8

              Skill
              Active

              Laravel AI skills that actually know when to stay out of the way. 72 focused skills, smarter sparse routing, automatic project memory, and better specialist selection for Codex, Claude Code, and other AI coding assistants.

              JavaScriptLicense: MIT
              • ai
              • ai-agent
              • ai-agents
              • ai-skill
              • ai-skills

              githubmeasured growthOpen source ↗

              Install git clone https://github.com/soden46/syarif-laravel-ai-skills ~/.claude/skills/syarif-laravel-ai-skills

              4GitHub starsstable
            • 9

              MCP
              Active

              Graph context, semantic search, guarded edits, and reviewable Git for local Obsidian vaults.

              ↓ 123 downloads/weekTypeScriptLicense: MIT

                mcpmeasured growthOpen source ↗

                Install claude mcp add obsidian-everywhere -- npx obsidian-everywhere

                13GitHub starsstable
              • 10

                Other
                Active

                An intentionally vulnerable OWASP LLM Top 10 training platform for AI Security, Prompt Injection, RAG Security, Agent Security, and GenAI penetration testing.

                PythonLicense: MIT
                • agent-security
                • ai-security
                • ai-security-tool
                • artificial-intelligence
                • ctf

                githubmeasured growthOpen source ↗

                311GitHub stars+6 (+2.0 %)
              • 11

                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+11 (+1.5 %)
              • 12

                Skill
                Active

                10 skills that cut your AI bill with proof instead of vibes. MIT, works in Claude Code, Codex, Cursor. Every skill's check is executed by CI.

                JavaScript
                • agents
                • ai-agents
                • claude-code
                • claude-skills
                • codex

                githubmeasured growthOpen source ↗

                Install git clone https://github.com/Neeeophytee/ai-cost-cutter-skills ~/.claude/skills/ai-cost-cutter-skills

                18GitHub starsstable
              • 13

                MCP
                Active

                Basque Country hyperlocal mobility: ES/EU semantic search, routing, open-data POIs, peak-bagging.

                PythonLicense: Apache-2.0

                  mcpmeasured growthOpen source ↗

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

                  0GitHub starsstable
                • 14

                  Agent
                  Active

                  Self-hosted AI company OS for solo founders: autonomous agents, ERPNext business memory, and owner-visible governance.

                  PythonLicense: MIT
                  • a2a
                  • agentic-ai
                  • ai-agent
                  • ai-agents
                  • autonomous-agents

                  githubmeasured growthOpen source ↗

                  9GitHub starsstable
                • 15

                  Other
                  Active

                  GitHub Pages documentation portal for LLM Wiki-style knowledge source tools.

                  JavaScriptLicense: Apache-2.0
                  • a2a
                  • agent-tools
                  • ai
                  • knowledge-graph
                  • llmwiki

                  githubmeasured growthOpen source ↗

                  0GitHub starsstable
                • 16

                  Other
                  Active

                  Browser workbench for querying Markdown/wiki knowledge sources through agent runtime, MCP-style, and A2A-style flows.

                  TypeScriptLicense: Apache-2.0
                  • a2a
                  • agent-tools
                  • ai
                  • knowledge-graph
                  • llmwiki

                  githubestimated momentumOpen source ↗

                  0GitHub stars—
                • 17

                  Other
                  Active

                  Serve local Markdown/wiki knowledge folders as agent-readable HTTP, MCP-style, and A2A-style context.

                  PythonLicense: Apache-2.0
                  • a2a
                  • agent-tools
                  • ai
                  • knowledge-graph
                  • llmwiki

                  githubmeasured growthOpen source ↗

                  6GitHub starsstable
                • 18

                  MCP
                  Active

                  IT Glue MCP server for MSPs — documents, flexible assets, semantic vector search, RBAC, and BYOK

                  TypeScriptLicense: MIT

                    mcpmeasured growthOpen source ↗

                    Install claude mcp add mcp-itglue -- npx mcp-itglue

                    5GitHub starsstable
                  • 19

                    MCP
                    Active

                    IT Glue MCP server for MSPs — documents, flexible assets, semantic vector search, RBAC, and BYOK

                    TypeScriptLicense: MIT

                      mcpmeasured growthOpen source ↗

                      Install claude mcp add mcp-itglue -- npx mcp-itglue

                      5GitHub starsstable
                    • 20

                      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
                    • 21

                      MCP
                      Active

                      Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.

                      ↓ 191 downloads/weekTypeScriptLicense: MIT

                        mcpmeasured growthOpen source ↗

                        Install claude mcp add calibre-mcp -- npx calibre-mcp

                        12GitHub stars+2 (+20.0 %)
                      • 22

                        MCP
                        Active

                        Versioned documentation registry and semantic search for AI tools and coding assistants.

                        mcpmeasured growthOpen source ↗

                        Remote server, to be declared in the MCP configuration https://api.llmref.org/v1/mcp

                        0GitHub starsstable
                      • 23

                        MCP
                        Active

                        Minimal RAG-over-a-corpus MCP retrieval: search_knowledge returns cited chunks. Local embeddings.

                        ↓ 17 downloads/weekPythonLicense: MIT

                          mcpmeasured growthOpen source ↗

                          Install claude mcp add rag-mcp -- uvx jaimenbell-rag-mcp

                          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

                          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
                        2. 2

                          spring-ai-recipes-learning

                          Agent
                          ActiveOpen source ↗

                          Spring AI 实战教程 🚀 ChatClient → RAG → MCP → Agent → A2A，24 个手写模块循序渐进（Spring Boot 4.1 + Spring AI 2.0 + Java 21）

                          Java
                          • a2a
                          • ai-agent
                          • chatclient
                          • gradle
                          • java
                          githubResourcemeasured growth
                          3GitHub starsstable