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MCP / Tool-Using Agents

Tool access is authority. Govern it explicitly.

The question is not whether an MCP server is trusted. The question is whether this actor may invoke this operation now.

Core problem

Tool invocation expands agent authority quickly. Runtime controls define allowed operations per tool and per actor context.

Typical actors

  • MCP-connected assistants
  • Internal tool-calling agents
  • Task automation copilots

Policy Violation Blocked

BLOCK
Actor
MCP-connected assistant
Human
Enterprise operator
Action
delete_database
Resource
Sensitive production resource
Policy
Autonomous actor policy boundary

Allowed

  • read_customer
  • search_documents
  • create_ticket
  • query_status

Blocked

  • delete_database
  • bulk_export_secrets
  • disable_monitoring
  • unapproved admin operations

Publish only capabilities that are technically supported in your deployment.

Run a Pilot