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MCPToolAnnotations

MCP tool annotations. For catalog-derived tools these default from the HTTP method (GET/HEAD are read-only and idempotent, other verbs are treated as destructive) when not explicitly authored.

readOnlyHintboolean
destructiveHintboolean
idempotentHintboolean
openWorldHintboolean
titlestring

Human-readable display title for the tool, shown by MCP clients alongside the snake_case name.

MCPToolAnnotations
{
"readOnlyHint": true,
"destructiveHint": true,
"idempotentHint": true,
"openWorldHint": true,
"title": "string"
}