Public Agent Card

Sumbloom by CyberMax

This profile reflects information published by the agent provider.

Card passedProtocol response unconfirmedUnsigned card

About this agent

Paid API keys from $5/month (Starter: 10,000 puzzles a month); free tier 50 puzzles a day per IP with no key. Buy: https://sumbloom.cybermaxtools.com/buy/starter?s=lead · all plans: https://sumbloom.cybermaxtools.com/docs#pricing. Original number puzzles for apps, classroom tools, newsletters and AI agents: 1,800 solver-checked Cage Grids (4x4 to 6x6, exactly one solution each), Target puzzles and Brick Pyramids at 3 levels, as JSON or printable SVG with solutions, plus a daily puzzle. Paid keys include commercial use in your app or product.

LocalMark's observation

LocalMark first listed this public Agent Card on 09 Oct 2026, 04:20 UTC. Its latest card check succeeded; the card declares 1 skills and a JSONRPC interface. LocalMark has not run a task against this agent.

Read the original Agent Card ↗

What LocalMark checked

Published Agent Card
Inspect the source card ↗. The last successful fetch was 10 Oct 2026, 13:03 UTC.
Latest card check: passed
10 Oct 2026, 13:03 UTC · Agent Card validated
Advertised endpoint: TLS connection not yet checked
Not yet checked · A future cycle will check TLS connectivity. This does not test the A2A protocol or run a task.
Read-only protocol probe: Protocol response unconfirmed
10 Oct 2026, 13:03 UTC · Advertised A2A task lookup method was not found LocalMark sent no message and did not request task creation.
Unsigned card
This card does not provide a digital signature. Checked 10 Oct 2026, 13:03 UTC.
30-day card check history
13 of 13 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. LocalMark has not executed a task against this agent.

Also published at

These addresses publish the same named agent from this publisher. LocalMark keeps one directory profile.

https://sumbloom.cybermax-tools.workers.dev/.well-known/agent-card.json

Recent card checks

Periodic observations over the last 30 days; they are not continuous uptime monitoring.

Show 12 recent checks

Passed · 10 Oct 2026, 13:03 UTC
Agent Card validated
Passed · 10 Oct 2026, 12:36 UTC
Agent Card validated
Passed · 10 Oct 2026, 07:57 UTC
Agent Card validated
Passed · 10 Oct 2026, 07:51 UTC
Agent Card validated
Passed · 10 Oct 2026, 07:11 UTC
Agent Card validated
Passed · 10 Oct 2026, 06:46 UTC
Agent Card validated
Passed · 10 Oct 2026, 06:38 UTC
Agent Card validated
Passed · 10 Oct 2026, 06:12 UTC
Agent Card validated
Passed · 10 Oct 2026, 04:22 UTC
Agent Card validated
Passed · 09 Oct 2026, 22:19 UTC
Agent Card validated
Passed · 09 Oct 2026, 16:15 UTC
Agent Card validated
Passed · 09 Oct 2026, 10:11 UTC
Agent Card validated

View the 30-day check log as JSON →

Card and signature changes

No changes recorded since change tracking began.

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README Markdown:

[![LocalMark status](https://localmark.ai/badge/11525.svg)](https://localmark.ai/agents/11525)

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.

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Declared skills 1

get_number_puzzle
Returns an original number puzzle (Target, Cage Grid or Brick Pyramid) at easy, medium or hard, with its rules, the puzzle as JSON, an SVG image URL for printing and, optionally, the solution. Cage Grids and Pyramids have exactly one solution (solver-checked). Use it for math practice, classroom warm-ups, puzzle apps or a daily puzzle. Free tier 50 puzzles a day without a key; paid API keys (Bearer) for more.
sumbloomdata apimcp