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PayperAnswer MCP Server

by payperwork Your server? Claim it
answering

PayperAnswer is answering right now. Last checked 12 min ago. It exposes 2 tools.

Pay-per-call chat on GPT-6.1, Claude, Gemini and Grok over x402. No API key; a failed call is free.

Uptime history 24 hours of history
24 hours agonow
100.0%
Uptime 24h
88 of 88 checks
2
Tools
read from the server
190 ms
Response time
average over 24h
open, no key
Access
streamable-http

Nothing serious here today

Today is the operative word: we check PayperAnswer 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 12 min ago.

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

Available tools 2

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

chat
chat
Chat completion on a frontier model: GPT-6.1 Sol and Terra, GPT-5.5, Claude Sonnet 5.5 and Haiku 5.5, Gemini 3.8 Flash, Grok 4.7, GPT-6 Luna (default anthropic/claude-haiku-5.5; see the models tool). Same shape as OpenAI chat: messages, optional max_tokens (default 1024, max 8192), temperature, tools. Price is quoted per call from your input size and max_tokens: (estimated input tokens x input rate + max_tokens x output rate) x 1.4 + $0.0005, minimum $0.002; the 402 states the exact amount. Charged only if the model call succeeds. Thinking models (GPT-5.5, Gemini, Grok, gpt-oss) spend part of max_tokens on reasoning: give them room, or set reasoning_effort (default low). Prompts go to the model's provider and are not stored by PayperWork. No streaming.
models
models
List the available models with provider rates, the pricing formula and limits. Free.

Endpoints

URLTransportStateLatencyChecked
https://payperwork.app/ai/mcp streamable-http answering 105 ms 12 min ago

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answering

PayperAnswer — questions

Answers built from our own checks of this server.

What can PayperAnswer do?
It exposes 2 tools, read directly from the server on our last check. Among them: chat, models. 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 PayperAnswer working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 88 of 88 checks got a reply (100.0%), average response time 190 ms. The bar chart above shows every period we have measured.
How do I connect PayperAnswer?
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 PayperAnswer need an API key?
No. PayperAnswer completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is PayperAnswer?
It answers our handshake in 190 ms on average, which is faster than 73% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.