API errors: 401, 403, 429
Diagnose and fix 401, 403, and 429 responses from the WriteMars API, starting with a one-line token test.
MCP connection issues
A step-by-step checklist for when the WriteMars MCP server won't connect from Claude Code, Codex, Cursor, or Claude Desktop.
Publishing failures
What a publish_failed error means and how to fix missing accounts, approval holds, platform rejections, and media upload problems.
FAQ
Quick answers to common questions about scheduling, variants, timezones, tokens, and social connections.