Database
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Redshift Query Enables AI assistants to run read-only SQL queries against Amazon Redshift with tools for table listing, schema inspection, and query execution. | — | 2 | - |
| refcheck Verify academic citations against real databases. Catches hallucinated references, exports BibTeX. | Python | - | - |
| refly The first open-source agent skills builder. Define skills by vibe workflow, run on Claude Code, Cursor, Codex & more. Build Clawdbot 🦞· APIs for Lovable · Bots for Slack & Lark/Feishu · Skills are infrastructure, not prompts. | TypeScript | 7.5k | - |
| regexcronsql-validator Valida regex, cron y SQL contra ejecucion real. Pago por llamada via x402/USDC. | — | - | - |
| rekal Long-term memory for LLMs. MCP server backed by hybrid search in a single SQLite file. | Python | 53 | - |
| rekordbox-mcp Open Source MCP for Rekordbox DJ | Python | 103 | - |
| remem-mcp — Local-first MCP Memory + CodeGraph + Wiki Local-first memory for AI coding agents. Memory + CodeGraph + Wiki in one SQLite file. | TypeScript | - | - |
| remindb An agentic memory database that cuts session tokens by 75–99%. One portable SQLite file — your agent's memory, anywhere. | Go | 126 | - |
| Remotolist Searches the Remotolist candidate database using natural language queries to find tech talent. | — | 0 | - |
| Reqable Traffic Capture Captures and analyzes HTTP and WebSocket traffic from Reqable proxy with local SQLite storage, domain statistics, API shape inference, and code generation. | TypeScript | 88 | - |
| restheart The Agent-Ready Backend for MongoDB. | Java | 881 | - |
| RethinkDB Read-only access to RethinkDB databases. | — | 1 | - |
| @revealui/mcp Model Context Protocol framework — MCP server hypervisor, adapter pattern, tool discovery, and adapters for Stripe, Supabase, and Vercel. | TypeScript | - | - |
| revlab REVLab - Windows PE reverse engineering workflow platform (static analysis, unpacking, disassembly, decompile, dynamic sandbox, network capture, custom pipelines, MCP + AI agent integration). For lab/legal compliance testing only. | Python | 43 | - |
| Rhea Rhea MCP — expert-curated database of biochemical reactions. | — | - | - |
| RIGEL A Multi-Agentic AI Assistant/Builder | Python | 28 | - |
| RivalSearchMCP Deterministic research MCP server on FastMCP 3 — 5-engine web search, 9-platform social search, 6 academic DBs, news aggregation, entity profiles, conflict detection, document analysis. No API keys. No in-server LLM. Structured outputs for agent chaining. | Python | 131 | - |
| rmbr Embedded, local-first memory and retrieval for AI agents. One SQLite file, no server, no API key. | Python | - | - |
| roam-code Local codebase intelligence CLI + MCP server for AI coding agents: SQLite code graph, 28 languages, 238 commands, 224 MCP tools, change-safety gates, audit evidence, zero API keys. | Python | 518 | - |
| roampal Memory that learns what works. | Python | 127 | - |
| robotmcp-server Modular MCP server with Streamable HTTP, optional OAuth 2.1, Supabase auth, Cloudflare tunnel, and creator-only access control | Python | - | - |
| @roll-agent/octopus-agent Octopus Agent：编排 Sponge MCP Server 的 NL2SQL 查询链路 | TypeScript | - | - |
| Rote A personal note repository that looks different🤔 | TypeScript | 1.0k | - |
| RPG Maker MV Ultimate MCP AI agent toolkit to edit RPG Maker MV: maps, events, database, knowledge-driven map generation | TypeScript | - | - |
| run402-mcp MCP server for Run402 — AI-native Postgres databases with REST API, auth, storage, and row-level security. Pay with x402 USDC micropayments. | TypeScript | - | - |