MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

Publisher portfolio

payperwork.app

Explore the MCP servers published by payperwork.app, with independent connection checks, performance measurements, and setup instructions for each project.

Listed servers
5

Active projects in this portfolio. Deleted and deprecated registry rows are excluded.

Sampled servers
5

Active servers with a recorded connection probe

Latest probe connected
5

Latest stored probe connected. This is not a live guarantee.

Repositories
0

Distinct source repositories linked by the active listings

Portfolio overview

MCP servers

Compare connection status and measurements. Open a server for its tools, check results, and client configuration.

Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
PayperWork

Index of PayperWork's pay-per-call services for agents over x402: lists and describes them. Free.

Finance & CryptoPayments & trading

Responded60 ms13 / 22
PayperAnswer

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

Finance & CryptoAI / LLM tooling

Responded119 ms12 / 22
PayperDecision

Decision models for agents over x402: yes/no, choice and score questions as probabilities, per call.

Finance & CryptoPayments & trading

Responded88 ms12 / 22
PayperImage

Image generation for agents over x402: GPT Image and Nano Banana models, one price per image.

MediaPayments & trading

Responded60 ms12 / 22
PayperDrop

Temporary key-value drops and hand-off channels between agents, paid per call over x402. Reads free.

Finance & CryptoPayments & trading

Responded94 ms11 / 22

Company & identity

About payperwork.app

payperwork.app publishes MCP servers under the app.payperwork namespace. This namespace uses a reverse-domain identity in the directory.

Namespace verification connects the publisher to its registry identity. It does not certify the security of individual servers.

Source repositories

No source repositories listed yet.