FitLLM is listed as active in the registry but did not answer our last check. It exposes 3 tools. Last commit 14 Sep 2026.
Will this LLM fit on your GPU, multi-GPU rig or Mac? Exact VRAM & KV-cache math. Read-only.
What changed 3
Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 23 August 2026. No other catalogue keeps this.
What the code does
We read the source, 15 h ago · tools taken from the live server · rules 3dff92dd89df
Things with no honest explanation: a promise that contradicts the code, code that runs at install time while hiding what it does, data leaving the machine.
execFileSync(process.execPath, [join(dir, 'generate.mjs')], {
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
execFileSync(process.execPath, [join(dir, 'generate.mjs')], {
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found things in this code
Code changes quietly between releases, and nobody reads the diff of a dependency. We do, on every release — watch FitLLM and you get told the day something new turns up.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.
claude mcp add fitllm --transport http https://fitllm.run/api/mcp{
"mcpServers": {
"fitllm": {
"url": "https://fitllm.run/api/mcp"
}
}
}[mcp_servers.fitllm]
url = "https://fitllm.run/api/mcp"{
"mcpServers": {
"fitllm": {
"url": "https://fitllm.run/api/mcp"
}
}
}{
"mcpServers": {
"fitllm": {
"url": "https://fitllm.run/api/mcp"
}
}
}Available tools 3
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
check_llm_fit
list_supported
what_fits_on_hardware
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://fitllm.run/api/mcp | streamable-http | answering | 88 ms | 6 min ago |
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FitLLM — questions
Answers built from our own checks of this server.