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Jev Agent

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Jev Agent — Free transit access to TypeSafe’s Jev System One decision model — demos, measured costs, and a live jv_live_… API key.

About Jev Agent

Jev Agent is an independent, unofficial site for TypeSafe’s Jev (System One). Sign in with Google to get a free transit jv_live_… key, call /api/v1/systemone and /api/v1/classify, and try playable demos (chess, Connect Four, Wikirace). Includes measured cost writeups and third-party showcase examples. Not affiliated with TypeSafe.

Independent unofficial site; not affiliated with TypeSafe.

Who it is for
Developers, researchers, and curious builders who want to explore TypeSafe’s Jev System One decision model through an accessible web API and hands-on demos.
Problem it solves
Access to Jev System One and practical examples can be difficult to discover and try. People need a simple way to get a free API key, understand the endpoints, and test decision-focused demos.
The solution
It provides Google sign-in for a free transit jv_live_… key, documents /api/v1/systemone and /api/v1/classify, and offers playable chess, Connect Four, and Wikirace demos with measured cost writeups.
What makes it unique
It is an independent, unofficial access point focused on practical exploration: free transit access, clear API examples, playable demos, and transparent measured-cost notes, with no affiliation claim to TypeSafe.cess to Jev System One and practical examples can be difficult to discover and try. People need a simple way to get a free API key, understand the endpoints, and test decision-focused demos.

Features

  • Free Jev API access

    Sign in with Google to receive a free transit jv_live_… key and try the System One endpoints.

Details

Platforms
  • Web
Pricing
  • Free
Built for

Developers, researchers, and curious builders who want to explore TypeSafe’s Jev System One decision model through an accessible web API and hands-on demos.

Building since

2026

Technology

Homepage of jev-agent.com

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Website performance

Independent mobile lab measurements and permanent weekly competition results from IndieTools Speed.

96ExcellentMobile Lighthouse

Last checked

Load time
780 ms
FCP
1.00 s
LCP
2.33 s
CLS
0.001
TTFB
42 ms
TBT
105 ms
Speed index
2.92 s

Latest Performance Score: 96. Measured: October 9, 2026. Weekly Overall Rank: #96. Category Rank: #19 in AI. LCP: 2.33 s. Load Time: 780 ms.

Overall rank · 2026-W40
#96
Best overall rank
#96
0 top 10 finishes
Best category rank
#19
0 category wins
Latest change
-2 score
Best score 97 / 100

Website performance history

Inspect every successful mobile Lighthouse lab measurement by metric and date range.

Range

Latest score

96 / 100

Higher is better
9 measurements

Use the left and right arrow keys to inspect measurements. Use Home or End to jump to the first or last measurement. Press Escape to dismiss the chart tooltip.

Oct 2, 2026Oct 9, 2026

Weekly rank history

Track the product's finalized overall position on the IndieTools Speed leaderboard.

Range

MetricOverall rank

Latest rank

#96

Closer to #1 is better
1 week

Use the left and right arrow keys to inspect weeks. Use Home or End to jump to the first or last week. Press Escape to dismiss the chart tooltip.

Sep 28, 2026

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