Salesforce Decode
Salesforcedecode
Back to questions
Headless 360Advancedmcpauthenticationagentforcesecurity

Secure MCP server authentication for Agentforce external tool calls

Real World Scenario

DevOps deployed MCP servers on Kubernetes exposing inventory and pricing tools to Agentforce. Security audit flagged missing OAuth and overly broad tool permissions.

Expected Answer

• Require OAuth 2.0 client credentials or mTLS for Agentforce-to-MCP server authentication • Register MCP tools with least-privilege scopes mapped to specific agent topics • Implement short-lived tokens with rotation via secrets manager integration • Validate MCP tool input schemas server-side rejecting overbroad or malformed agent requests • Network isolate MCP servers from public internet using private link or VPN where possible • Log tool invocations with hashed inputs and response codes for security monitoring • Penetration test MCP endpoints including prompt injection attempting tool abuse

Follow-Up Questions & Answers

Click to expand — each follow-up includes a direct, interview-ready answer

Main difference: use case and scale. Require OAuth 2.0 client credentials or mTLS for Agentforce-to-MCP server authentication. Register MCP tools with least-privilege scopes mapped to specific agent topics. Pick based on your integration pattern and team capability. MCP servers are privileged agent backends—authenticate and scope them like internal microservices, not experimental scripts. Optimize for scale and operational observability.

Architect Perspective

MCP servers are privileged agent backends—authenticate and scope them like internal microservices, not experimental scripts.