Show HN: Permit.io AI Access Control – Fine Grained Permissions for AI Apps

Hi HN, I'm Gabriel, VP of DevRel at Permit.io. We keep hearing from AI developers that there’s no simple way to enforce access control in AI workflows—so most either build permission logic for their AI implementation from scratch.

To help with this, we are introducing Permit.io AI Access Control - a set of new integrations with PydanticAI, LangChain, MCP, and LangFlow that allow you to easily implement fine-grained authorization (FGA) into AI applications.

These integrations allow developers to enforce structured prompt validation before inputs reach AI models, control AI access to RAG data sources, apply identity-based permissions to AI-driven actions and decisions, and apply filtering to AI-generated responses.

I’d love to hear about how you’ve been handling access control in your AI applications, and what you think about his solution.