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LLM Margin MCP Server

answering

LLM Margin is answering right now. Last checked 6 min ago. It exposes 1 tools. Last commit 11 Nov 2026.

Estimate AI service costs, setup fees, monthly retainers, overages, and gross margin.

Uptime history 14 hours of history
14 hours agonow
100.0%
Uptime 24h
49 of 49 checks
1
Tools
read from the server
443 ms
Response time
average over 24h
0
Stars
last commit 11 Nov 2026

Nothing serious here today

Today is the operative word: we check LLM Margin every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

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.

run in your terminal
claude mcp add llm-margin --transport http https://llmmargin.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://llmmargin.com/mcp
~/.codex/config.toml
[mcp_servers.llm-margin]
url = "https://llmmargin.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "llm-margin": {
      "url": "https://llmmargin.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "llm-margin": {
      "type": "http",
      "url": "https://llmmargin.com/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

estimate
estimate_ai_service
Estimate AI service costs, retainer, setup fee, overages and margin in USD. User-supplied model rates. No data saved or purchases made.

Endpoints

URLTransportStateLatencyChecked
https://llmmargin.com/mcp streamable-http answering 527 ms 6 min ago

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LLM Margin — questions

Answers built from our own checks of this server.

What can LLM Margin do?
It exposes 1 tools, read directly from the server on our last check. Among them: estimate_ai_service. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is LLM Margin working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 49 of 49 checks got a reply (100.0%), average response time 443 ms. The bar chart above shows every period we have measured.
How do I connect LLM Margin?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does LLM Margin need an API key?
No. LLM Margin completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is LLM Margin?
It answers our handshake in 443 ms on average, which is faster than 29% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is LLM Margin open source?
We cannot say either way: written in TypeScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.