Sandbox
730 repos for mcps · CodexClear
yogthos/
chiasmus

Chiasmus is an MCP server that gives language models access to formal verification

211

Atari Lynx emulator, debugger, and embedded MCP server for macOS, Windows, Linux, BSD and RetroArch.

74
portel-dev/
ncp

Natural Context Provider (NCP). Your MCPs, supercharged. Find any tool instantly, load on demand, run on schedule, ready for any client. Smart loading saves tokens and energy.

98
0x4m4/
hexstrike-ai

HexStrike AI MCP Agents is an advanced MCP server that lets AI agents (Claude, GPT, Copilot, etc.) autonomously run 150+ cybersecurity tools for automated pentesting, vulnerability discovery, bug bounty automation, and security research. Seamlessly bridge LLMs with real-world offensive security capabilities.

12k
hmldns/
nautex
hmldns/nautexConnectors

MCP server for guiding Coding Agents via end-to-end requirements to implementation plan pipeline

85
lyonzin/
knowledge-rag

Local RAG MCP server for Claude Code — hybrid search (semantic + BM25), cross-encoder reranking, 13 MCP tools, 20 format parsers. Zero external servers, zero API keys.

278
Cranot/
roam-code

Local codebase intelligence CLI + MCP server for AI coding agents: SQLite code graph, 28 languages, 287 commands, 246 MCP tools, change-safety gates, audit evidence, zero API keys.

517

Self-hosted AI agent harness in a single Go binary — writes, sandbox-tests and repairs its own tools, and lets Claude Code, Codex and any MCP client build and share them.

508
aarondpn/
redmine-cli

A powerful command-line interface for Redmine, enhanced with first-class AI agent capabilities via Skills and MCP integration.

44
timescale/
tiger-cli

Tiger CLI is the command-line interface for Tiger Cloud. It includes an MCP server for helping coding agents write production-level Postgres code.

117
pranciskus/
newsmcp

MCP server for real-time world news — free, no API key required

42

Local code intelligence MCP server and CLI for AI coding agents

740

Correction-first persistent memory for AI agents. MCP server + SDK + CLI. Compounds across sessions.

371
impactjo/
home-memory

MCP server that lets your AI assistant remember everything about your home.

76

Travel MCP server + CLI for AI assistants — flights, hotels, trains, cars, ferries, price alerts. No API keys, single Go binary. 1 smart MCP tool + 66 aliases (98.9% smaller tools/list). Works with Claude, Cursor, Windsurf, Codex.

75

A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.

6.4k
deverman/
FocusRelayMCP

Fast native Swift OmniFocus MCP server and CLI for macOS. Let AI assistants safely read, update, complete, and organize tasks and projects through documented Omni Automation APIs.

45
agent-room-alkl/
agent-room

Put Claude Code, Cursor, Codex, Gemini & Antigravity in one room — real-time multi-agent AI collaboration over MCP for distributed dev, code review, PR handoff & frontend↔backend integration. Free, self-hostable, MCP-native.

48

Security scanner for AI agents, MCP servers and agent skills.

3k
JingxuanC/
causal-memory

Causal memory layer for AI agents — MCP server that records decision→outcome relationships. Survives compaction.

71
zhuyansen/
agent-skills-hub

Discover and compare open-source Agent Skills, tools & MCP servers — with quality scoring, trending analysis, and automated GitHub sync

355