{"name":"Letterby API","url":"https://docs.letterby.com/","version":"1.0.0","protocolVersion":"0.3","preferredTransport":"HTTP+JSON","supportedInterfaces":[{"url":"https://docs.letterby.com/","protocolBinding":"HTTP+JSON","protocolVersion":"0.3"}],"provider":{"url":"https://docs.letterby.com/","organization":"Letterby API"},"documentationUrl":"https://docs.letterby.com/","capabilities":{"streaming":false,"pushNotifications":false},"defaultInputModes":["text/plain"],"defaultOutputModes":["text/plain"],"skills":[{"id":"letterby","name":"Letterby","description":"Use when building waitlists, managing contact lists, implementing point-based reward systems, creating referral programs, or segmenting audiences for targeted campaigns. Reach for this skill when integrating waitlist functionality into applications, awarding points for user actions, or analyzing engagement metrics.","tags":[],"url":"https://docs.letterby.com/.well-known/agent-skills/letterby/skill.md"}]}