Claude Code MCP servers

LLM Reasoning Framework for Scientific Research

Markdown Review Sidecar Format (MRSF) v1.0 - Sidemark

Official MainWP MCP server: manage your WordPress sites from Claude, Cursor, Codex, and other AI tools, with previews and approval before destructive changes.

A branch-aware, dual-revision epistemic ledger and control plane for AI coding agents. From requirements and isolated work to validated changes and durable, queryable project truth.

A branch-aware, dual-revision epistemic ledger and control plane for AI coding agents. From requirements and isolated work to validated changes and durable, queryable project truth.

Free, open-source MCP servers for federal contracting: SAM.gov, USAspending, GSA CALC+, eCFR, Federal Register, and more. 5,571 collected regression tests. In the Claude and ChatGPT directories.

MCP Server for Simplenote integration with Claude Desktop

Free, open source, local & remote, persistent memory for your AI coding agents.

A Git-first CLI coding agent that turns ideas, issues, and tasks into real code changes. It can run remotely from your mobile phone or automate your computer.

Use every coding-agent plan you pay for. Routes tasks across Claude Code, Codex and Grok by spare quota, runs multi-agent workflows, and checks the results.

Structured AI-entity discovery, evidence, and identity layer for agents.

TWZRD buyer-side x402 trust packages: x402 trust gate, elizaOS trust plugin, and the agent-intel client. Vet a counterparty before you pay.

Transparent and Efficient Financial Analysis

Peekaboo is a macOS CLI & optional MCP server that enables AI agents to capture screenshots of applications, or the entire system, with optional visual question answering through local or remote AI models.

Grounded Docs MCP Server: Open-Source Alternative to Context7, Nia, and Ref.Tools

小智ESP32的Java企业级管理平台,提供设备监控、音色定制、角色切换和对话记录管理的前后端及服务端一体化解决方案

A Model Context Protocol server to connect to MongoDB databases and MongoDB Atlas Clusters.

AgentChat 是一个基于 LLM 的智能体交流平台,内置默认 Agent 并支持用户自定义 Agent。通过多轮对话和任务协作,Agent 可以理解并协助完成复杂任务。项目集成 LangChain、Function Call、MCP 协议、RAG、Memory、HITL、Skill、Milvus 和 ElasticSearch 等技术,实现高效的知识检索与工具调用,使用 FastAPI 构建高性能后端服务。

Multi-harness control plane for Claude Code, Codex, Cursor, and OpenCode: quota-aware rotation across multiple Claude/Codex subscriptions, shared thread context, and cross-model review.

A powerful multi-database server implementing the Model Context Protocol (MCP) to provide AI assistants with structured access to databases.

Context-Engine MCP - Agentic Context Compression Suite

Build AI agents that actually do things. Synapse is an open-source platform for creating, connecting, and orchestrating AI agents powered by any LLM — local, cloud or CLIs.

Lightweight agent orchestration dev tool that lives in your repo

DeepSeek Harness (DSH) backup & restore plugin — export, import, migrate and sync your complete DSH configuration, plugins, MCP servers, skills and workspace. One-click migration to another machine.