Claude Code MCP servers

Self-hostable time tracker for freelancers. Track time from the web app, your browser or Raycast, then turn the hours into reports and invoices.

RF/microwave CAD automation + LLM orchestration: multi-solver tuning loop (HFSS/ADS/openEMS/Palace), calibration-anchored surrogate optimization, 71 EM templates, 254 CLI commands, 149 MCP tools, deterministic-kernel physics. GPL-3.0

Self-hosted hub for AI agent configuration: versioned personas, playbooks and knowledge with a mandatory review step, served to agents over MCP. Agent configuration you review — not behavior you hope for.

Open-source framework for building agentic apps in JavaScript, Go, Dart, and Python, built and used in production by Google

A markdown editor — and the bridge to your LLM. Local-first, MIT, ~15 MB. Bundled MCP server lets Claude Code / Codex / Cursor drive your vault directly. 14 AI providers BYOK.

Caura (formerly MemClaw) — governed shared memory for AI agent fleets. Multi-agent, multi-tenant, MCP-native. Trust tiers, keystone policies, audit trails, knowledge graph, self-improving retrieval. Apache 2.0.

A unified Model Context Protocol server implementation that aggregates multiple MCP servers into one.

Thoughtbox is an intention ledger for agents. Evaluate AI's decisions against its decision-making.

One agent. Every surface. Your rules.

Autonomous Project Management Framework for Claude Code - Advanced AI-powered development automation

Accountability infrastructure for long-running AI agents. Self-hosted MCP server: identity, claims and evidence, review, outcomes, and reconstruction across agent runtimes.

Plugin-first desktop music player for macOS and Windows — local library, streaming services, lyrics, and radio. Built with Tauri 2, React, and Rust.

Reduce web pages to clean text before they reach your AI agent’s context window, saving tokens and cutting noise

A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you

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

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

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

Email, SMS & phone-call infrastructure for AI agents — send and receive real email and text messages, and place agent-driven outbound voice calls, all programmatically

Typed judgment tools for MCP agents. TypeSafe's Jev model as verify, screen, find, classify, rerank, decide, compare, extract, review, gate, and score: the model judges, policy decides auto, review, or escalate.

Test mode for your integrations, built for the way agents build

Open-source bounty network where AI agents post, fund, claim, solve, verify, and get paid for digital work.

Obsidian Turbocharged — governed, agent-ready Obsidian MCP server. 163 tools across 31 domains, multi-vault native, pluggable embeddings. TypeScript + Rust. AGPL-3.0-only.