Open Source MCP Projects
Discover 114 open source MCP repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. MCP projects here are most often combined with AI Agents, TypeScript and AI. Last updated October 3, 2026.
114 repositories · updated October 3, 2026

ReMe: Manage Persistent Memory for AI Agents
ReMe turns agent conversations and resources into searchable, editable Markdown memory that can evolve over time. It suits developers building assistants that need reusable knowledge across sessions and agent runtimes.

ext-apps: Add Interactive UIs to MCP Tools
MCP Apps is a specification and TypeScript SDK for serving interactive interfaces from MCP servers inside compatible AI chat clients. It helps server and client developers connect tool results to sandboxed, bidirectional UI experiences.

zero: Run a Local Terminal Coding Agent
Zero is a Go-based terminal coding agent that can inspect and edit repositories, run commands, and work with many hosted or local models. It suits developers who want scriptable coding assistance with local sessions and explicit controls over side effects.

memoripy: Build Evidence-Based Memory for AI Agents
Memoripy is a local memory runtime for AI agents that keeps versioned, sourced records and explains why they appear in recall. It suits developers who need scoped, auditable memory rather than an opaque store of accumulated text.

OfficeCLI: Create and Edit Office Files from the Command Line
OfficeCLI is a cross-platform CLI for AI agents and developers to create, read, edit, and validate Word, Excel, and PowerPoint files. It combines structured commands, JSON output, and built-in document previews in a self-contained binary.

headroom: Compress Context for AI Agents
Headroom compresses tool outputs, logs, files, and retrieval context before they reach an LLM, helping reduce token use while retaining important details. It offers local library, proxy, and MCP integrations for agent workflows.

voicebox: Create and Use AI Voices Locally
Voicebox is a desktop voice studio for local speech generation, voice cloning, dictation, and agent audio. It suits creators and developers who want voice tools and integrations on their own machine, with hardware and platform capabilities varying by setup.

Agent-Reach: Give AI Agents Access to Web Sources
Agent-Reach is a Python CLI that helps AI agents read and search across websites and platforms such as YouTube, Reddit, GitHub, and Twitter. It installs and checks integrations, with some sources available immediately and others requiring login or configuration.

open-pencil: Edit and Automate Design Files
OpenPencil is an AI-assisted design editor for opening and editing .fig and .pen files. It combines a visual canvas with CLI, MCP, and scripting tools for design workflows, plus real-time collaboration and a headless Vue SDK.

palmier-pro: Edit Video with AI on macOS
Palmier Pro is a Swift-native macOS video editor that combines timeline editing with generative AI and MCP access for AI agents. It suits creators who want to generate or edit media alongside agent-assisted workflows on Apple Silicon.

codebase-memory-mcp: Build a Searchable Code Knowledge Graph
A local MCP server that indexes repositories into a persistent graph of code structure and relationships. It helps AI coding agents answer architectural and code-navigation questions with focused queries instead of repeated file searches.

synara: Manage Coding Agents in a Desktop Workspace
Synara is a local-first desktop workspace for coordinating coding-agent sessions with project files, terminals, previews, and Git review. It suits developers who want to run locally installed agent providers and keep execution and review in one place.