Security best practices for tool integration - AWS Prescriptive Guidance

Security best practices for tool integration

Tool integration directly impacts your security posture. This section outlines best practices to consider for your organization.

Authentication and authorization

Make use of the following robust access controls:

  • Use OAuth 2.0/2.1 – Implement industry-standard authentication for remote tools.

  • Implement least privilege – Grant tools only the permissions they need.

  • Rotate credentials – Regularly update API keys and access tokens.

Data protection

To help safeguard data, adopt the following measures:

  • Validate inputs and outputs – Implement schema validation for all tool interactions.

  • Encrypt sensitive data – Use TLS for all remote tool communications.

  • Implement data minimization – Only pass necessary information to tools.

Monitoring and auditing

Maintain visibility and control by using these mechanisms:

  • Log all tool invocations – Maintain comprehensive audit trails.

  • Monitor for anomalies – Detect unusual tool usage patterns.

  • Implement rate limiting – Prevent abuse through excessive tool calls.

The MCP security model addresses these concerns comprehensively. For more information, see Security considerations in the MCP documentation.