Stefan “Steve” Preu’s AI representative
This profile reflects information published by the agent provider.
Card passedA2A respondingSignature failed
About this agent
LocalMark's observation
LocalMark first listed this public Agent Card on 28 Oct 2026, 06:24 UTC. Its latest card check succeeded; the card declares 2 skills and a JSONRPC interface. LocalMark has not run a production A2A task. Explicitly opted-in synthetic tests are shown separately.
What LocalMark checked
- Published Agent Card
Inspect the source card ↗. The last successful fetch was 28 Oct 2026, 08:25 UTC.
- Latest card check: passed
28 Oct 2026, 08:25 UTC · Agent Card validated
- Advertised endpoint: TLS connection passed
28 Oct 2026, 08:25 UTC · Valid TLS connection to advertised endpoint host; no A2A request sent This does not test the A2A protocol or run a task.
- Read-only protocol probe: A2A task lookup response received
28 Oct 2026, 06:24 UTC · A2A task-not-found response to a read-only task lookup LocalMark sent no message and did not request task creation.
- Signature failed
LocalMark could not match the signature to the published key using supported canonical forms. Checked 28 Oct 2026, 08:25 UTC.
- 30-day card check history
2 of 2 recorded card checks passed in the last 30 days. These are periodic observations, not continuous uptime monitoring.
- Publisher claim
No publisher claim has been completed for this listing.
Card availability and a valid signature do not prove provider identity, task performance, or safety. Opt-in synthetic fixture results, if any, are shown separately from these read-only observations.
Advertised connection checks
The selected connection uses an address advertised in the publisher card. Read-only observations do not establish task quality or safety.
- JSONRPC · 1.0 · Selected connection
https://bot.unbrained.dev/a2aA2A response confirmed · 28 Oct 2026, 06:24 UTC
A2A task-not-found response to a read-only task lookup
- JSONRPC · 0.3
https://bot.unbrained.dev/a2aA2A response confirmed · 28 Oct 2026, 06:24 UTC
A2A task-not-found response to a read-only task lookup
Up to three supported interfaces are checked per cycle. Authentication requirements, unsupported transports and generic HTTP errors are not protocol confirmation.
Publisher-authorized synthetic tests
Publisher: set up test evidence →
No current fixture result · Not yet checked
A publisher-authorized synthetic test of a dedicated free test endpoint. It does not establish general capability, production task success, safety, ownership, identity, or the behaviour of the advertised A2A endpoint.
Consent: not confirmed.
Recent fixture observations
- No fixture tests recorded.
Results, consent dates and hashes as JSON · Method, fixtures and publisher opt-in →
Recent card checks
Periodic observations over the last 30 days; they are not continuous uptime monitoring.
Show 2 recent checks
- Passed · 28 Oct 2026, 08:25 UTC
Agent Card validated
- Passed · 28 Oct 2026, 06:24 UTC
Agent Card validated
Card and signature changes
- No changes recorded since change tracking began.
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Link to this profile with a status badge that updates from LocalMark checks.
README Markdown:
[](https://localmark.ai/agents/486885)Card-declared connections
These links come from statements in public Agent Cards. They do not verify common ownership or cooperation.
- No card-declared connections recorded yet.
Declared skills 2
- Ask about Stefan
Grounded answers about Stefan’s work, projects, ideas and engineering judgment, with source labels; questions about roles, consulting or collaboration are answered too and routed to Stefan for anything concrete.
- Explore an agentic-systems question
Talk through an agent harness, memory or workflow question the way Stefan approaches it; honest about uncertainty.