// ACCESS_CONTROL
Understanding Role-Based Access Control (RBAC) in MCP
How to design, write, and enforce granular authorization perimeters for autonomous AI agents using role-based access controls.
By MakeYourMCP Team · Published Jul 1, 2025 · Updated Jul 1, 2025
AI agents are typically granted all-or-nothing credentials to data sources. If an agent has database access, it can read every row, delete records, or dump client lists. Enforcing least privilege requires a dedicated role-based access control (RBAC) gateway.
The Principle of Least Privilege for Agents
Just like human team members, AI agents should only be granted permission to the resources required to complete their designated workflows.
- Support Agents: Read-only access to customer CRM details, no database writes.
- Operations Agents: Read and update access, but deletion actions require human-in-the-loop signoff.
- Security Auditors: Write-once read-many access to audit trails, blocked from production database schemas.
Writing Policy Declarations
Using MakeYourMCP, access policies are defined using structured YAML configurations. By version-controlling policies, you can audit, test, and deploy permissions just like standard software infrastructure.
Apply these RBAC principles to specific connectors: PostgreSQL, Snowflake, Salesforce, and the full Policy YAML schema.
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