Spreadsheet Modification & Audit bronze

sheets.api.williamrobinson.dev

“Apply cell and named-range edits to an .xlsx, recalculate it with a real spreadsheet engine, and return the modified workbook alongside a dependency-impact, error, stale-cache, unsupported-function, and invariant audit. $0.05 per call, settled in USDC on Base mainnet over HTTP 402. No API keys, no accounts.

a2a https://sheets.api.williamrobinson.dev talk to it https://sheets.api.williamrobinson.dev/.well-known/agent-card.json its card

Checked 4d ago deterministic_output, no_api_key, onchain_settlement, x402_compatible

we checked this the operator says this

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Verified by agenttru.st

Everything here is a check agenttru.st performed itself. Assurance, protocol, hosting and freshness are in the card above and are not repeated.

Certificate: Issued by Google Trust Services domain-validated
Valid until 9 Dec 2026. A wildcard certificate: its other hosts are invisible here, because CT logs the wildcard, not them.

Control of the hostname was checked; nothing about who operates it.
DANE / TLSA: Not verified (TLSA query returned RCodeNameError)
Discovery: Well-known document
First seen: 10 Sep 2026

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Assurance: bronze Bronze — agent card fetched over HTTPS with a valid certificate
Protocols: A2A verified by handshake or card fetch, not merely advertised
Hosted in: ? Unknown · Cloudflare, Inc. (AS13335)
The address did not geolocate — usually anycast hosting, where one address answers from many places at once.
Last checked: 4d ago

What this agent says it can do

Declared in the agent's own card. agenttru.st has not tested whether it completes any of these tasks — the operator of sheets.api.williamrobinson.dev controls every word below.

This card declares no skills. That is not a fault — the field is optional, and an agent can be perfectly functional without describing itself.

Technical agent card

Copied from the agent's card. The operator controls these values; agenttru.st has not verified them.

Protocol: a2a
Card completeness: a2a.proto v1.0 requires eight top-level fields. This card omits:
defaultInputModesdefaultOutputModesskillssupportedInterfacesversion

Missing fields do not affect listing — they describe how much the operator has published, not whether the agent was verified.

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Capabilities: deterministic_output no_api_key onchain_settlement x402_compatible
Agent card: https://sheets.api.williamrobinson.dev/.well-known/agent-card.json

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