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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127 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.
- 1Active
sgrep
Skillsemantic grep
githubmeasured growthOpen source ↗
Install
git clone https://github.com/XiaoConstantine/sgrep ~/.claude/skills/sgrep15GitHub starsstable - 2Dormant
AgentBase
MCPShared knowledge base for AI agents. Semantic search across agents, no setup required — just a URL.
mcpmeasured growthOpen source ↗
Remote server, to be declared in the MCP configuration
https://mcp.agentbase.tools/mcp2GitHub starsstable - 3Active
vector-mcp
MCPVector MCP Server for AI Agents - Supports ChromaDB, Couchbase, MongoDB, Qdrant, and PGVector
githubmeasured growthOpen source ↗
15GitHub starsstable - 4Dormant
Practical GenAI-Eshop application using Semantic Kernel, multi-agent orchestrations, Mcp tools, A2A Agents, Semantic Search, Aspire and more.
githubmeasured growthOpen source ↗
15GitHub stars+1 (+7.1 %) - 5Active
MaxKB
MCP🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。
githubmeasured growthOpen source ↗
22 715GitHub stars+67 (+0.30 %) - 6Dormant
Sourcegraph code search, semantic search, go-to-definition, find-references, and diff search.
mcpmeasured growthOpen source ↗
Remote server, to be declared in the MCP configuration
https://{sourcegraph_hostname}/.api/mcp14GitHub starsstable - 7Active
zilliz-plugin
OtherZilliz Cloud plugin for Claude Code & OpenAI Codex — manage clusters, collections, vector search, backups, and more through natural language.
githubmeasured growthOpen source ↗
3GitHub starsstable - 8Active
shellbrain
SkillShellBrain. Long-term memory for AI.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/cucupac/shellbrain ~/.claude/skills/shellbrain13GitHub starsstable - 9Dormant
agent-as-a-tool
AgentAgent-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.
githubmeasured growthOpen source ↗
3GitHub starsstable - 10Dormant
llm-wiki
SkillLLM-maintained personal wiki for Claude Code. Active librarian: ingest, synthesize, cross-link, remind.
githubmeasured growthOpen source ↗
Install
/plugin marketplace add deepfounder-ai/llm-wiki13GitHub starsstable - 11Active
searchcans-skills-zh
Skill官方简体中文 Agent Skills for SearchCans SERP API、Reader API 与 Account API：深度研究、SEO/GEO 内容差距分析与网页提取审计。
githubmeasured growthOpen source ↗
Install
git clone https://github.com/SearchCans/searchcans-skills-zh ~/.claude/skills/searchcans-skills-zh3GitHub starsstable - 1213GitHub stars+1 (+8.3 %)
- 13Active
zvec
SkillA lightweight, lightning-fast, in-process vector database
githubmeasured growthOpen source ↗
Install
git clone https://github.com/alibaba/zvec ~/.claude/skills/zvec15 784GitHub stars+246 (+1.6 %) - 14Active
lost-in-sf-agent
AgentAI agent that plays a city quest game using MCP, A2A, RAG, and memory. Built with Microsoft Agent Framework and Azure OpenAI
githubmeasured growthOpen source ↗
3GitHub starsstable - 15Active
agents
SkillManage stateful, persistent agent workloads with Cloudflare Durable Objects for efficient, scalable real-time communication and scheduling.
githubmeasured growthOpen source ↗
Install
/plugin marketplace add pertamaxxx/agents3GitHub starsstable - 16Dormant
Build an autonomous supply chain with Gemini 3 Flash Code Execution & AlloyDB AI ScaNN. Deterministic vision + semantic search + A2A protocol.
githubmeasured growthOpen source ↗
3GitHub starsstable - 17Active
Remote ChromaDB vector database MCP server with streamable HTTP transport
mcpmeasured growthOpen source ↗
Remote server, to be declared in the MCP configuration
https://meloncafe.github.io/chromadb-remote-mcp/mcp12GitHub starsstable - 18Dormant
Deadzone
MCPLocal-first MCP server: semantic search over library docs. No cloud, no API key, no telemetry.
mcpmeasured growthOpen source ↗
3GitHub starsstable - 19Active
gocrewwai
MCPThe enterprise-grade CrewAI alternative for Go. Orchestrate strictly-typed, parallel AI agents with LangGraph-style Flow persistence, distributed A2A protocols, Model Context Protocol (MCP), and Human-in-the-Loop training.
githubmeasured growthOpen source ↗
11GitHub starsstable - 20Active
Semantic search across Sui documentation and knowledge sources, powered by kapa.ai
mcpmeasured growthOpen source ↗
Remote server, to be declared in the MCP configuration
https://sui.mcp.kapa.ai7 740GitHub starsstable - 21Dormant
Persistent semantic memory for AI agents using local ChromaDB vector search. No cloud required.
mcpmeasured growthOpen source ↗
3GitHub starsstable - 22Dormant
redm-mcp
MCPRedM / RDR3 docs MCP server: native lookups, semantic search, VORP, RSGCore, oxmysql.
mcpmeasured growthOpen source ↗
Remote server, to be declared in the MCP configuration
https://redm-mcp.fivem.no/mcp3GitHub starsstable - 23Active
Octobrain
MCPPersistent memory for AI assistants with semantic search and knowledge graph relationships.
mcpmeasured growthOpen source ↗
Install
claude mcp add octobrain -- npx @muvon/octobrain11GitHub starsstable - 24Active
Citadel
MCPEncrypted-first embedded database with vector search and agent memory, exposed as MCP tools
mcpmeasured growthOpen source ↗
Install
claude mcp add mcp -- uvx citadeldb-mcp3GitHub starsstable - 25Active
Confer
SkillYour AI confers, with anyone's — an open A2A protocol platform where AI Agents talk to each other on behalf of their owners. Self-hosted, DID:web identity, RFC 9421 signatures, Claude Code plugin.
githubmeasured growthOpen source ↗
Install
git clone https://github.com/hyhmrright/Confer ~/.claude/skills/Confer3GitHub starsstable