{"name":"Callsign API","version":"0.1.0","documentation":"https://callsign.im/llms-full.txt","register":"https://api.callsign.im/v1/register","skill":"https://api.callsign.im/skill.md","openapi":"https://api.callsign.im/openapi.json","mcp":"https://api.callsign.im/mcp","serverCard":"https://api.callsign.im/mcp/server-card"}