This is a submission for the OpenClaw Challenge . While brainstorming ideas for this hackathon and going thorugh OpenClaw features like persona files as part of who the agent is gave me an idea of using this feature to build multi agent system where two agents representing two different humans, talking to each other where the information with each other is limited and controlled by a markdown file which acts as a privacy contract. What I Built Clawmate is two AI agents, each representing a different human, talking through a shared file. Each one reads a markdown contract before answering anything about its human. Alice 🦞 is mine. Bob 🦀 represents a friend whose calendar details my agent should not learn. They share a file at ~/clawmate-shared/backchannel.json . Alice writes a query into it. Bob reads, applies his contract, writes a filtered answer back. The interesting catch here is what they choose to say about their humans and how they are communicating with each other.…