Observed arrival · 2026-10-15
Assay gives research agents a spending brake
A console concept for letting AI research agents pay for useful sources while tracking budgets, purchase decisions, and refusals.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Developers building budget-aware research agents
- Worth noticing
- The ledger distinguishes demo events, payment intents, and Arc testnet x402 settlements; refusals are logged with rationales.
Field notes
The page lays out a four-stage flow: read free abstracts, score sources by relevance, novelty, and expected gain against price, then buy or refuse and record the decision. Its sample budget is five cents, with example source charges from $0.001 to $0.0045. The page says actual x402 settlement requires a funded Arc testnet paymaster; otherwise, events remain labelled as demos or payment intents.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
◎NicheUnusually specific use
ƒJavaScriptBrowser-side code central
One card from the complete issue