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MCP servers tagged open-source
1.7K live MCP servers tagged "open-source", ranked by trust score. Tags come from package metadata and repository topics, so this list covers servers across every category that work with open-source.
Aegis
Open-source agent simulation and runtime control platform for Claude Code
AI Engineer Vault
Build production-ready AI systems with vendor-neutral patterns for LLMs, retrieval, and agents.
Siza Gen
Siza AI generation engine — multi-framework code generation, 502-snippet registry, and ML-powered quality scoring. Part of the Siza ecosystem.
Underworld Oss
専門家AIたちが集う知識神殿のローカル MVP — Next.js 14 + Phaser 4 + Claude Agent SDK。各 Expert は MCP で外部サービスに接続できる。
Agentgate
An AI DevOps engineer you can give prod access to — it freezes before any risky action and waits for human approval, with a full audit trail. Gates any MCP agent too. Open source.
Opengoat
The growth marketplace for AI agents. Open registry of growth operators (humans, agents, skills) across 13 categories. CLI + MCP native.
Synthcode
Build and manage synthetic code generation workflows for faster, repeatable software development
Phronesis Web
Public website and documentation for Phronesis - a Python framework for AI agent systems with practical wisdom at their core.
Mempalace
The highest-scoring AI memory system ever benchmarked. Free and open source. Built on palace architecture, AAAK compression, and local-first design.
CORA
Quality-aware AI inference control plane for context optimization, model routing, deterministic verification, and complete cost accounting.
AETHER
AETHER — voice-driven meta-orchestrator that turns one spoken request into a fleet of self-checking AI agents
Cold Tracker
Rastreamento de aberturas e cliques de cold email com filtro de atividade automatizada. Gmail + Supabase + Vercel, com instalação guiada por IA.
Financeos
Open-source, self-hostable AI finance app for personal & business money: double-entry ledger, expense tracker, subscriptions, projects, payroll, net worth & cash-flow forecasts. B…
Adopt Me Script 2026
Automate Adopt Me farming, pet collection, quests, and trading with ESP highlights on Windows.
Vellium
Local-first desktop AI workbench for roleplay, multi-character chat, long-form writing, RAG, MCP tools, plugins, and local models.
Open Crm
Self-hosted CRM and client-workflow suite for a single business: contacts, client portal, documents, secure messages, requests, e-signature, work board and an MCP connector. React…
Yapm
Open-source Linear alternative staffed by AI agents. Self-host on Cloudflare, Docker or Node, and run your life like a company.
Localai
LocalAI — independent third-party profile of a public API surface, by API Evangelist. LocalAI is the open-source, self-hosted AI inference engine that acts as a drop-in replacemen…
Agent Harness Kit
A provider-agnostic scaffolding kit for running structured multi-agent workflows in your codebase.
Flompt
flow + prompt = flompt - Visual AI Prompt Builder. Decompose, edit as flowchart, recompile into optimized machine-readable prompts
Klavis
Klavis AI — independent third-party profile of a public API surface, by API Evangelist. Klavis AI is an open-source MCP integration platform that lets AI agents reliably use exter…
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Hub
Community-driven discovery platform for MCP servers with ratings, performance benchmarks, compatibility testing, and one-click installation. Think npm for AI agent skills.
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Easy MCP
Absurdly easy Model Context Protocol Servers in Typescript
Ollama MCP
An MCP Server for Ollama
Ollama MCP
An MCP Server for Ollama