Built for the agent era
Whatever runs your automations — Claude, custom scripts, cron jobs — Post Train gives it a clean posting surface: REST API, MCP server and signed webhooks.
REST API
Byte-simple JSON endpoints with Bearer keys.
MCP server
11 tools any MCP client can call.
Webhooks
HMAC-SHA256 signed results on every publish.
Automation etiquette
- · Don't post identical content to multiple accounts on the same platform.
- · Prefer drafts for anything a human should review first.
- · Never automate fake engagement — platforms ban for it, and they should.