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MCP Server Builder

Guides an agent to build MCP servers with tools, resources, prompts and widgets using mcp-use

Source Download skill
Repository
Shubhamsaboo/awesome-llm-apps
Stars
143,726
Licence
Apache-2.0
Files
12 files

What it does

Once installed, the agent knows how to plan and write Model Context Protocol (MCP) servers using the mcp-use framework. MCP is a standard that lets AI assistants call tools and read data from external programs. The skill gives the agent reference guides on designing tools versus visual widgets, writing server code, formatting responses, and defining parameterized resources. However, SKILL.md marks this skill as deprecated and tells the agent to switch to a replacement called mcp-app-builder.

Great for

  • Developers starting a new MCP server in TypeScript with the mcp-use framework
  • Teams already using mcp-use who want code patterns for tools, resources and prompts
  • Anyone who needs a reference for mcp-use response helpers and URI template resources

Skip it if

  • Users who want the current recommended skill, since SKILL.md says this one is deprecated and points to mcp-app-builder
  • Projects not using mcp-use or MCP, because the guidance is specific to that framework
  • People expecting the skill to run code for them; the files provided are documentation and examples, not executable scripts

Try asking

  • “Create an MCP server in TypeScript with a tool that looks up weather for a city”
  • “Add a resource that exposes application settings as JSON using mcp-use”
  • “Design an interactive React widget that displays search results from my MCP tool”
  • “Define a parameterized resource template for fetching user profiles by ID”
Step-by-step guide: how to use MCP Server BuilderInstall, first run, examples, tips and FAQs

Install in 3 steps

  1. 1

    Download the skill

    The ZIP contains the 12 original files, the Apache-2.0 licence and an attribution note.

    mcp-builder.zip
  2. 2

    Add it to your agent

    Claude Code (all projects)

    mkdir -p ~/.claude/skills && unzip mcp-builder.zip -d ~/.claude/skills/

    Claude Code / Agent SDK (this project only)

    mkdir -p .claude/skills && unzip mcp-builder.zip -d .claude/skills/

    Claude apps (web/desktop): Settings → Capabilities → Skills → Upload skill, and choose the ZIP.

  3. 3

    Ask for the task

    No special command needed — the agent reads the skill's description and loads it when your request matches. Try one of the prompts above.

Get better results

  • Install the replacement mcp-app-builder skill first, as this skill's own description directs
  • Describe the tools and widgets you need in plain language so the agent reads the design reference before coding
  • Check the generated server against the mcp-use version you have installed, since the examples may drift

What's inside

  • evals/architecture.json
  • evals/implementation.json
  • evals/README.md
  • evals/skill.json
  • evals/widgets.json
  • LICENSE.txt
  • references/design-and-architecture.md
  • references/resource-templates.md
  • references/response-helpers.md
  • references/tools-and-resources.md
  • references/widgets.md
  • SKILL.md

Redistributed unmodified from Shubhamsaboo/awesome-llm-apps under the Apache-2.0 licence. The assessment was drafted with AI from the skill's files on 2026-10-29. Skills can instruct your agent to run code — read SKILL.md and any scripts before installing.