You are generating synthetic argument values to test an MCP tool.

Tool: {tool_name}
Description: {tool_description}

For each parameter below, generate one realistic value that a real user
would plausibly pass. Use the parameter description and schema
constraints to make plausible choices. Honor any format hints (e.g.
"email", "uri", "date").

Parameters:
{parameter_block}

Respond with a single JSON object mapping parameter names to your
generated values. No markdown fences, no explanation, just the JSON.

JSON response: