AI Plugin Index
Fastify
Verified · npm:@modelcontextprotocolMCP server by modelcontextprotocol · updated · ★ 14k · 47k downloads a week
Fastify adapters for the Model Context Protocol TypeScript server SDK - Fastify middleware Fastify is published by npm:@modelcontextprotocol from its verified domain in the official MCP Registry.
Last commit in the past day
No licence found, so reuse rights are unclear
Clear description, published package or server URL, 13,620 stars, original repository
Not checked yet. What we check
Install Fastify
Built from the published package, never by AIclaude mcp add fastify -- npx -y @modelcontextprotocol/fastifyRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"fastify": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/fastify"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"fastify": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/fastify"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"fastify": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/fastify"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add fastify -- npx -y @modelcontextprotocol/fastify{
"mcpServers": {
"fastify": {
"command": "npx",
"args": [
"-y",
"@modelcontextprotocol/fastify"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add fastify npx -y @modelcontextprotocol/fastifyGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the fastify block.
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Fastify: common questions
How do I install Fastify?
In Claude Code run claude mcp add fastify -- npx -y @modelcontextprotocol/fastify. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Fastify the official server?
Fastify is published by npm:@modelcontextprotocol from its verified domain in the official MCP Registry.
Is Fastify free?
The code is published under the NOASSERTION licence. The service it connects to may have its own pricing.
Is Fastify safe to use?
It scores 88 of 100. Grades: maintenance A, licence F, quality A. The security check has not run for it yet. Review the code before you install. How grades work.
What are alternatives to Fastify?
Similar MCP servers: mockserver, XcodeBuildMCP, Repowise, SmartBear MCP.
Does Fastify work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.