API Security - Postly Blog

Webhooks

Idempotency and Approval Rules for Webhooks Publishing Automations

Webhooks are powerful but risky. Learn how to implement idempotency keys and human-in-the-loop approval rules to prevent duplicate social posts and malformed content in your publishing pipeline.

Model Context Protocol

Idempotency and Approval Rules for MCP Clients Publishing Automations

As LLMs move from advisors to agents via the Model Context Protocol (MCP), the risk of duplicate posts and hallucinations increases. Learn how to implement idempotency keys and approval gates.

MCP

Designing a Safe Social Publishing Workflow with MCP Clients

Model Context Protocol (MCP) allows AI to operate your social media stack. Learn how to design a secure workflow that balances LLM autonomy with strict brand safety and validation.