0nMCP vs Relay.app
Open source AI orchestrator vs human-in-the-loop automation
Relay.app combines automation with human approval steps. 0nMCP is fully AI-driven but supports human-in-the-loop via its workflow engine — and it's open source.
Feature Comparison
Pricing
Relay.app starts free then $9.99/mo. 0nMCP is MIT licensed and free for all local execution.
Choose 0nMCP if...
Developers and AI teams who want autonomous AI orchestration with optional human oversight. Teams needing self-hosted, open-source automation.
Choose Relay.app if...
Teams where human approval is mandatory for every automation — finance, HR, legal workflows where a person must sign off before actions execute.
About Relay.app
Relay.app is a modern automation platform that emphasizes human-in-the-loop workflows. It combines AI assistance with mandatory human approval steps for sensitive operations.
Frequently Asked Questions
Does 0nMCP support human approval steps?
Yes, via the workflow engine's condition and checkpoint steps. However, it's not as seamlessly integrated as Relay.app's purpose-built approval system.
Which is more trustworthy for sensitive operations?
Relay.app enforces human approval by design. 0nMCP gives you the choice — full autonomy or human-in-the-loop. The right answer depends on your risk tolerance.
Is Relay.app's AI better than 0nMCP's?
Different focus. Relay.app uses AI to draft content for human review. 0nMCP uses AI to orchestrate APIs directly. 0nMCP's AI integration is deeper and more autonomous.