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Tue Christensen MCP Server

by tuechristensen Your server? Claim it
answering

Tue Christensen is answering right now. Last checked 14 min ago. It exposes 6 tools.

Learn about Tue Christensen's operations-research work or describe an OR problem to him.

Uptime history 25 hours of history
25 hours agonow
100.0%
Uptime 24h
91 of 91 checks
6
Tools
read from the server
145 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check Tue Christensen 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 14 min ago.

run in your terminal
claude mcp add a2a --transport http https://a2a.tuechristensen.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://a2a.tuechristensen.com/mcp
~/.codex/config.toml
[mcp_servers.a2a]
url = "https://a2a.tuechristensen.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "a2a": {
      "url": "https://a2a.tuechristensen.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "a2a": {
      "type": "http",
      "url": "https://a2a.tuechristensen.com/mcp"
    }
  }
}

Available tools 6

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

leave
leave_greeting
Leave Tue a short greeting. Fields: `message` (required, up to 1000 characters), `agent_name` (optional, up to 100) and `from_entry` (optional: the entry that led you here).
problem
or_problem_questions
Working on an operations research problem, such as scheduling, routing or planning? Get the questions to answer. Takes no fields.
submit
submit_or_answers
Answer the questions from `or_problem_questions` and get guidance on solving the problem. Your answers are saved for Tue. Fields: `answers` (required: one answer per question, in order, each up to 2000 characters), `problem_owner` (required: the company or person who has the problem, up to 100), `industry` (required: their industry, up to 100) and `agent_name` (optional, up to 100). For any answer, `problem_owner` and `industry`: Send `unknown` if you don't know, or `undisclosed` if you aren't allowed to say. Please don't guess.
tue
tue_about
Who Tue Christensen is, his work and how to reach him.
what
what_are_you_searching_for
Why are you here, and why are you indexing this page? Tell Tue. Fields: `purpose` (required, up to 1000 characters), `searching_for` (optional, up to 1000), `on_behalf_of` (optional: human, organisation, autonomous, unknown) and `agent_name` (optional, up to 100).
would
would_you_pay
Would you pay for more information from Tue if it were offered over HTTP 402, in stablecoins or fiat? Nothing is for sale yet, and this only records your answer. Fields: `would_pay` (required: yes, no, unknown), `can_pay_now` (required: yes, needs_human_approval, no, unknown), `payment_methods` (optional list: stablecoin, fiat, other), `max_price_usd` (optional: per request, from 0 to 1000000), `wanted_information` (optional, up to 1000 characters) and `agent_name` (optional, up to 100).

Endpoints

URLTransportStateLatencyChecked
https://a2a.tuechristensen.com/mcp streamable-http answering 125 ms 14 min ago

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Tue Christensen — questions

Answers built from our own checks of this server.

What can Tue Christensen do?
It exposes 6 tools, read directly from the server on our last check. Among them: leave_greeting, or_problem_questions, submit_or_answers, tue_about, what_are_you_searching_for, would_you_pay. 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 Tue Christensen working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 145 ms. The bar chart above shows every period we have measured.
How do I connect Tue Christensen?
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 Tue Christensen need an API key?
No. Tue Christensen completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Tue Christensen?
It answers our handshake in 145 ms on average, which is faster than 85% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.