Add annotations to tools in your custom Salesforce MCP servers to give hints about their behavior. Examples of annotations you can select are Read-only, Destructive, Idempotent, and Open-world.
Where: This change applies to Lightning Experience in Developer, Enterprise, Performance, and Unlimited Editions.
When: This feature is generally available in June 2026.
How: In Setup, in API Catalog MCP Servers, select the Salesforce tab. Select an MCP server and then select its Tools tab. Make sure that you deactivate the MCP server if it’s active. Select the annotations that you want to add to the tool, and then click Save.