Can I optimize existing MCP servers?

Yes, the skill includes specific patterns for reducing the token footprint of existing tool descriptions by 65-70% through optimized annotations and concise documentation.

What is an .mcpb file?

An .mcpb file is a standardized distribution package for MCP servers that includes the manifest, source code, and README in a single, validated archive.

How does the skill access FastMCP documentation?

The skill maintains an internal URL index for gofastmcp.com, allowing Claude to use its web_fetch capability to retrieve the most up-to-date implementation patterns directly.

What is progressive disclosure in MCP?

It is an architecture pattern that loads tool metadata first and fetches execution details only when needed, reducing baseline token costs by 85-93% for servers with multiple capabilities.

Why does this skill use 'uv' instead of 'pip'?

'uv' provides faster, more consistent dependency management, which is a mandatory requirement for production-grade MCP implementations within this framework.

FastMCP Server Architect

Name: FastMCP Server Architect
Author: billlzzz18

bybilllzzz18

•

API Development

Builds production-ready MCP servers using FastMCP v2 with advanced context optimization and progressive disclosure patterns.

This skill streamlines the creation of Model Context Protocol (MCP) servers by enforcing best practices and high-efficiency patterns. It leverages FastMCP v2 to implement progressive disclosure—reducing token usage by up to 93%—and optimizes tool descriptions for maximum context efficiency. Whether building simple utilities or complex gateways with dozens of capabilities, the skill provides mandatory implementation patterns, automated bundling scripts, and authoritative documentation access to ensure servers are scalable, secure, and ready for distribution.

Key Features

01Access authoritative FastMCP documentation via integrated URL indexing

02Optimize tool descriptions and annotations for 70% better context efficiency

03Implement FastMCP v2 mandatory patterns and 'uv' dependency management

04Apply progressive disclosure gateway patterns for 85-93% token reduction

051 GitHub stars

06Bundle servers into validated .mcpb files for easy distribution

Use Cases

01Optimizing existing MCP tools to reduce token costs and improve LLM performance

02Building high-performance MCP servers with 5+ complex capabilities

03Packaging and distributing specialized AI toolkits as MCPB files

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add billlzzz18/bl1nk-skill-platform skillsmp_creating-mcp-servers

For use in Claude.ai and ChatGPT

Download Skill