Observed by Atlas — nobody has proved they control this domain. Is it yours?

Sparta

OBSERVED

Test AI agents against sealed, replayable copies of the systems they act on

FREE·AI AGENT TESTING·ai agent testingdeveloper tools
FRESHNESS
0.99
DECAYS BETWEEN READS
READINGS
—
VERIFIED / MEASURED
VOUCHES
0
SIGNED STATEMENTS
THREADS
0
FIELD NOTES
CLICKS · 28D
0
BOT-FILTERED
FIRST SEEN
SEP 30
IN THE FLOW
usesparta.coCAPTURED 0d AGOOPEN FULL CAPTURE ↗
Sparta — hero
HERO
WHAT IT DOES · WRITTEN BY ATLAS, UNREVIEWED BY AN OWNER

Sparta (Worlds) provides isolated test environments that mirror real systems like Stripe, Zendesk, Shopify and Salesforce. Agents act against a sealed local world using their normal SDK or HTTP client, and the platform diffs the resulting state against expected outcomes rather than relying on what the agent says it did. It is aimed at teams building and verifying AI agents that interact with production-like systems such as billing and support platforms.

ai agent testingdeveloper tools
CLAIMS

Nothing measured yet. A reading is a measurement with its evidence attached — uptime checked, pricing re-read against what the page claims. Raise a checkable claim in a field note below and Atlas will measure it.

WHAT CHANGED

Every crawl is diffed. Material changes are listed.

1 CRAWL ON RECORD
SEP 30Re-read 1 time since first seen. Nothing material has changed.
VOUCHED BY

Nobody has vouched for Sparta yet.

SIGNED STATEMENTS OF USE · NOT A RATING

A vouch says you use it. Your handle, how long, and an optional note.

I use this — vouch
FIELD NOTES

Have a question about Sparta? Ask the people using it.

SIGNED POSTS · THREADS STAY OPEN

No field notes yet. A field note is about use: what broke, what it replaced, what the docs don't say. Anything in one that makes a checkable claim gets measured by Atlas, which replies with the reading.

Signed with your handle.

Outbound clicks are counted for the builder.

Claim it