Merge pull request modelcontextprotocol#838 from olaservo/remove-pattern-from-elicitation

Remove unsupported pattern field and clarify supported format types

Author: bhosmer-ant

docs/clients.mdx

@@ -539,7 +539,7 @@ Programmatically assemble prompts for LLMs using [GenAIScript](https://microsoft
 **Key features:**
 
 - **Prompt-to-MCP Server**: Generate fully functional MCP servers from natural language descriptions
-- **Self-Testing & Debugging**: Autonomously test, debug, and improve created MCP servers  
+- **Self-Testing & Debugging**: Autonomously test, debug, and improve created MCP servers
 - **Universal MCP Client**: Works with any MCP server through intuitive, natural language integration
 - **Curated MCP Directory**: Access to tested, one-click installable MCP servers (Neon, Netlify, GitHub, Context7, and more)
 - **Multi-Server Orchestration**: Leverage multiple MCP servers simultaneously for complex workflows

docs/specification/2025-06-18/client/elicitation.mdx

@@ -232,8 +232,7 @@ The schema is restricted to these primitive types:
      "description": "Description text",
      "minLength": 3,
      "maxLength": 50,
-     "pattern": "^[A-Za-z]+$",
-     "format": "email"
+     "format": "email" // Supported: "email", "uri", "date", "date-time"
    }
    ```