AI Plugin Index
Fettle
Verified · fettle.shMCP server by fettlesh · updated · ★ 0 · 229 downloads a week
Uptime monitoring for developers — monitors, incidents, heartbeats, maintenance, status pages Fettle is published by fettle.sh from its verified domain in the official MCP Registry.
Last commit 3 days ago
MIT: permissive, fine for commercial use
Clear description, published package or server URL, original repository
No risky patterns in the files we checked
What you need
| Setting | Needed | What it is |
|---|---|---|
FETTLE_Environment variable, secret | Required | Fettle API key (Settings → API Keys at https://fettle.sh). Read scope lists and inspects; write scope is needed to create, change or pause anything. |
AuthorizationHeader, secret | Required | Fettle API key as a bearer token: "Bearer fettle_…". The same key the npm package takes in FETTLE_API_KEY. |
FETTLE_Environment variable | Optional | Base URL of the Fettle API. Only set this to point the server at something other than production. Default: https://api.fettle.sh |
FETTLE_Environment variable | Optional | How long one tool call may take before it is abandoned. Default: 30000 |
From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.
Install Fettle
Built from the published package, never by AIclaude mcp add fettle -e FETTLE_API_KEY=YOUR_FETTLE_API_KEY -- npx -y fettle-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"fettle": {
"command": "npx",
"args": [
"-y",
"fettle-mcp"
],
"env": {
"FETTLE_API_KEY": "YOUR_FETTLE_API_KEY"
}
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"fettle": {
"command": "npx",
"args": [
"-y",
"fettle-mcp"
],
"env": {
"FETTLE_API_KEY": "YOUR_FETTLE_API_KEY"
}
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"fettle": {
"command": "npx",
"args": [
"-y",
"fettle-mcp"
],
"env": {
"FETTLE_API_KEY": "YOUR_FETTLE_API_KEY"
}
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add fettle --env FETTLE_API_KEY=YOUR_FETTLE_API_KEY -- npx -y fettle-mcp{
"mcpServers": {
"fettle": {
"command": "npx",
"args": [
"-y",
"fettle-mcp"
],
"env": {
"FETTLE_API_KEY": "YOUR_FETTLE_API_KEY"
}
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add fettle npx -y fettle-mcpGemini 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 fettle block.
Weekly newsletter
Like Fettle? Get the best new MCP servers every week
The best new tools, security warnings before you install something risky, and one practical tip. Free, three minute read.
Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work
Alternatives to Fettle
All alternatives →
All Azure MCP tools to create a seamless connection between AI agents and Azure services.
Deploy durable AI agents with Omnara, an open-source managed-agent platform.
Cloudflare MCP servers
Open-source agent that observes and fixes your application. Query logs, traces, metrics, incidents.
MCP server and framework adapters for Corsair. Expose 200+ integrations to any agent framework (Mastra, LangChain, LlamaIndex, OpenAI, Vercel AI, Claude) as tools.
Analyzes deployed EVM bytecode: extracts function selectors and CBOR metadata; infers argument types, state mutability, storage layouts, and control flow.
Fettle: common questions
How do I install Fettle?
In Claude Code run claude mcp add fettle -e FETTLE_API_KEY=YOUR_FETTLE_API_KEY -- npx -y fettle-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is Fettle the official server?
Fettle is published by fettle.sh from its verified domain in the official MCP Registry.
Is Fettle free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is Fettle safe to use?
It scores 83 of 100. Grades: maintenance A, licence A, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to Fettle?
Similar MCP servers: Azure MCP Server, Omnara, mcp, Superlog.
Does Fettle work with ChatGPT?
Yes. Add its server URL in ChatGPT as a custom connector. See MCP in ChatGPT.