build-mcp

80 / 100 · Low risk

Fine to try.

By techwolf-ai/ai-first-toolkit (GitHub) · coding · 139 stars · scanned at commit 2ee7841

Build an MCP server end to end, tailored to how it will be used. Use when asked to build an MCP, create an MCP server, wrap an API as a tool, make a tool for Claude, expose a service to an agent, build a Claude connector, or turn a service into MCP tools. Asks up front who the server is for (just me, my org, or public) and what it wraps, then walks through analyze, build, deploy, scale, and distribute with steps tailored to that answer. Builds on the example-skills:mcp-builder skill for impleme…

Works with any agent that supports SKILL.md skills.

What this skill can do

Downloads and installs other software

The author does not mention this.

Found in 13 places.

plugins/tool-build-kit/skills/build-mcp/SKILL.md, line 62| **Deploy** | `claude mcp add --scope user` or `.mcp.json` | Bundle in a Claude Code plugin; `${CLAUDE_PLUGIN_ROOT}` paths | Deploy Streamable HTTP endpoint +
plugins/tool-build-kit/skills/build-mcp/SKILL.md, line 96Build to the tool plan from Phase 1. Apply mcp-builder's rules: clear tool names, Pydantic/Zod input schemas with descriptions and constraints, structured + hum
plugins/tool-build-kit/skills/build-mcp/references/deploy-local.md, line 18claude mcp add --env SERVICE_API_KEY=sk-xxx --scope user service -- uvx service-mcp

Show 10 more

plugins/tool-build-kit/skills/build-mcp/references/deploy-local.md, line 39"command": "uvx",
plugins/tool-build-kit/skills/build-mcp/references/deploy-local.md, line 56{ "mcpServers": { "weather": { "command": "npx", "args": ["-y", "@you/mcp-weather"] } } }
plugins/tool-build-kit/skills/build-mcp/references/deploy-local.md, line 62{ "mcpServers": { "db": { "command": "uvx", "args": ["db-query-mcp"], "env": { "DB_URL": "..." } } } }
plugins/tool-build-kit/skills/build-mcp/references/deploy-local.md, line 72"service": { "command": "uvx", "args": ["service-mcp"], "env": { "SERVICE_API_KEY": "..." } }
plugins/tool-build-kit/skills/build-mcp/references/distribute-marketplace.md, line 105brew install mcp-publisher # or download the binary from registry releases
plugins/tool-build-kit/skills/build-mcp/references/node-sdk.md, line 50- Smoke-test with `npx @modelcontextprotocol/inspector`.
plugins/tool-build-kit/skills/build-mcp/references/python-fastmcp.md, line 9- You will distribute via PyPI / `uvx`.
plugins/tool-build-kit/skills/build-mcp/references/python-fastmcp.md, line 16pip install "mcp[cli]" httpx pydantic
plugins/tool-build-kit/skills/build-mcp/references/python-fastmcp.md, line 50- Define an entry point in `pyproject.toml` so the server runs as `uvx <package>`.
plugins/tool-build-kit/skills/build-mcp/references/python-fastmcp.md, line 52- Build and smoke-test: `.venv/bin/python -m py_compile server.py`, then `npx @modelcontextprotocol/inspector`.

Sends data to these websites: registry.modelcontextprotocol.io

The author does not mention this.

Found in 1 place.

plugins/tool-build-kit/skills/build-mcp/references/distribute-marketplace.md, line 144curl "https://registry.modelcontextprotocol.io/v0.1/servers?search=io.github.you/service"

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'build-mcp' ] || [ -L ~/.agents/skills/'build-mcp' ]; then echo 'A skill folder named build-mcp already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/techwolf-ai/ai-first-toolkit' "$d" && git -C "$d" checkout --quiet '2ee78415674eaaead2082a55691b68ffb1003e87' -- 'plugins/tool-build-kit/skills/build-mcp' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/tool-build-kit/skills/build-mcp' ~/.agents/skills/'build-mcp' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'build-mcp' ~/.claude/skills/'build-mcp' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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Score history

Date	Version	Score
2026-11-07	`2ee7841`	85