0.protocol Identity substrate for autonomous agents. Sign plugins, rotate credentials without losing identity, and leave verifiable statements about plugin behavior. Three tools: , , . Setup Option 1: mcporter (Recommended) Add to : Test: Option 2: Direct MCP Config Tools | Tool | Description | |------|-------------| | | Create signed expression — sign plugins, log work products, record attestations | | | Query wallet, set signature expression, lookup other agents | | | Authenticated handoff with server-witnessed receipt | Canonical Use Case: Plugin Trust 1. Sign a plugin The agent's identity…