Top Open Source Projects Built With MCP in 2026
A curated collection of the 91 best free and open-source projects built using MCP. Discover popular repositories, architecture patterns, and trending software in 2026.
Comp AI
Automate SOC 2, ISO 27001, HIPAA & GDPR compliance
Stars1,899Last commit28d agoLicenseAGPL-3.0
Tldraw
Free instant collaborative whiteboard for all devices
Stars49,987Last commit10d agoLicenseOpen Source
Usertour
Open-source user onboarding platform
Stars2,292Last commit10d agoLicenseOpen SourceSpanlens
Open source LLM observability & monitoring
Stars12Last commit16d agoLicenseMITReflet
Feedback platform for developer-led SaaS teams
Stars33Last commit14d agoLicenseOpen Source
Papermark
Open-source DocSend alternative with analytics
Stars8,977Last commit11d agoLicenseOpen Source
Open Mercato
AI-native CRM/ERP framework with 80% done
Stars1,686Last commit12d agoLicenseMITMimrai
Full-stack engineering & applied AI for rapid product delivery
Stars26Last commit5mo agoLicenseAGPL-3.0Maxun
Turn any website into structured data using a visual recorder, natural language prompts, or API. Includes proxy rotation, scheduling, and webhook integrations.
Stars17,302Last commit12d agoLicenseAGPL-3.0Instant
Instant is a database solution for building real-time and offline-enabled applications, simplifying the development of collaborative products.
Stars10,493Last commit12d agoLicenseApache-2.0
Outline
Modern team knowledge base & wiki
Stars40,349Last commit13d agoLicenseOpen Source
Inbox Zero
AI email assistant to reach inbox zero fast
Stars12,094Last commit11d agoLicenseOpen Source
Flowglad
Unified workspace for cross-system automations
Stars1,718Last commit3mo agoLicenseOpen Source
Bifrost
Enterprise-grade AI gateway for LLM routing & governance
Stars7,598Last commit10d agoLicenseApache-2.0Databuddy
Privacy-first lightweight web analytics for developers
Stars1,139Last commit13d agoLicenseAGPL-3.0
