Coming soon: Packages are not yet published to npm, PyPI, or crates.io. This page documents the finished SDK spec. Use the REST API and signature test vectors until packages ship.
Install (when published)
REST client
Inbound webhook signing
WebSocket signal client
Connect towss://mcp.echozero.app/ws/signals with x-api-key in the Socket.IO handshake. Emit signal events with the same JSON schema as the inbound webhook.
Verify outbound webhooks
SDK helpers implementverifyInboundWebhook and outbound signal.execution verification. Golden vectors are in Signature test vectors.