Summary

MCP spec 2025-11-25 (SEP-973) allows servers to expose icons as metadata for tools, resources, resource templates, and prompts. This improves UX in MCP clients that render tool lists.

Spec Reference

• SEP-973
• Changelog: "Allow servers to expose icons as additional metadata"

Current State

No icons set on any tools, resources, or prompts.

Required Changes

1. Check FastMCP API — does @mcp.tool() / @mcp.resource() / @mcp.prompt() support an icon parameter? Check ToolAnnotations or tool registration for icon support.

2. Add icons to tools:

   • aws_cli_help — 📖 or a help/docs icon
   • aws_cli_pipeline — ⚡ or a terminal/CLI icon

3. Add icons to resources (from resources.py):

   • AWS profiles → 👤
   • AWS regions → 🌍
   • AWS config → ⚙️

4. Add icons to prompts (from prompts.py)

Icon Format

Per spec, icons can be:

• Data URIs (data:image/svg+xml;base64,...)
• HTTPS URLs
• Emoji (check if FastMCP supports this shorthand)

SVG data URIs are most portable. Simple AWS-themed icons would work.

Priority

Low — nice-to-have for UI polish. No functional impact.

Testing

• Verify icons appear in tools/list, resources/list, prompts/list responses
• Test rendering in Claude Desktop or other MCP clients