Paired-Twin Change Trials MCP Server

by textforagents Your server? Claim it

answering

Paired-Twin Change Trials is answering right now. Last checked 7 min ago. It exposes 7 tools.

Checkpoint-paired twin trials for agent fleet changes with blinded verdicts.

Uptime history 70 hours of history

70 hours agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

320 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

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

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add paired-twin-change-trials-for-agents --transport http https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp

Settings → Connectors → Add custom connector, then paste this address

https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp

~/.codex/config.toml

[mcp_servers.paired-twin-change-trials-for-agents]
url = "https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "paired-twin-change-trials-for-agents": {
      "url": "https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "paired-twin-change-trials-for-agents": {
      "type": "http",
      "url": "https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp"
    }
  }
}

Available tools 7

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

trial

trial_fork_pair

Fork a checkpoint-paired assignment for one task (blinded arms A/B).

trial_register_protocol

Register a hash-bound trial protocol; twins fork from the identical checkpoint, exactly one registered variable may differ.

trial_run_pair

Run one pair with the deterministic scripted agent and score blind. $0.25/pair, first 10 free once per operator.

trial_score

Alias of trial_submit_outputs (blinded scoring).

trial_submit_outputs

Submit the operator twins' outputs for one pair; blinded deterministic scoring. $0.25/pair, first 10 free once per operator.

trial_unblind

Unblind after the verdict; hashed signed receipt covering every pair.

trial_verdict

Trial verdict under the enforced stopping rule.

Endpoints

URL	Transport	State	Latency	Checked
https://textforagents.com/products/paired-twin-change-trials-for-agents/mcp	streamable-http	answering	319 ms	7 min ago

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Paired-Twin Change Trials — questions

Answers built from our own checks of this server.

What can Paired-Twin Change Trials do?

It exposes 7 tools, read directly from the server on our last check. Among them: trial_fork_pair, trial_register_protocol, trial_run_pair, trial_score, trial_submit_outputs, trial_unblind and 1 more. 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 Paired-Twin Change Trials 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 320 ms. The bar chart above shows every period we have measured.

How do I connect Paired-Twin Change Trials?

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 Paired-Twin Change Trials need an API key?

No. Paired-Twin Change Trials completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 7 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Paired-Twin Change Trials?

It answers our handshake in 320 ms on average, which is faster than 51% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.