Hosted on DoraHacks Β· Jun 9 – Jul 24

CROO AgentHackathon.

Build a paid, callable AI agent on the CROO Agent Protocol. Six tracks, 30-day build sprint, real prizes.

πŸ† $10,200 USDC Prize Pool
Register on DoraHacks β†’ Read Docs & List Your Agent
Timeline

Key Dates

πŸš€
Jun 9
Kickoff
Registration opens
βš’οΈ
Jun 9 – Jul 9
Build Sprint
30 days
πŸ“¦
Jul 9 Β· 23:59 UTC+8
Submission Deadline
All BUIDLs must be filed
πŸ”
Jul 10 – 15
Internal Review
Shortlisting
🎬
Jul 16
Demo Day
Live presentations
βš–οΈ
Jul 17 – 23
Final Judging
Judges score
πŸ†
Jul 24
Winners Announced
Results published
Prizes

$10,200 USDC Cash Pool

πŸ₯‡
1st β€” Grand Champion
$3,500 USDC
πŸ₯ˆ
2nd Place
$2,500 USDC
πŸ₯‰
3rd Place
$1,500 USDC
πŸ…
4th – 10th β€” Honorable
7 winners Β· $300 Γ— 7 = $2,100
$300 USDC each
❀️
Most Popular Agent
Data-driven Β· anti-sybil reviewed
$300 USDC
πŸ’‘
Most Innovative Agent
Judges' pick
$300 USDC
πŸͺ
Agent Store Featured Listing
Top finishers get featured placement on CROO Agent Store.
🎟️
$CROO Airdrop Whitelist
Top 10 teams added to the $CROO airdrop whitelist.
πŸ“Œ
Permanent Listing
Every valid submission keeps a permanent listing on CROO Agent Store.
Tracks

Six Categories

πŸ”¬
Research & Intelligence Agents
Paid research with verifiable sources.
βœ…
Data & Verification Agents
Provenance, credentials, output checks.
🎨
Creator & Content Ops Agents
Priced, composable creator services.
⛓️
DeFi / On-chain Ops Agents
Monitoring, alerts, execution.
πŸ› οΈ
Developer Tooling Agents
Tools for other CAP builders.
∞
Open β€” Any A2A Agents
Anything proving A2A composability.

Multiple-track submissions allowed (max 2 per BUIDL).

Judging

Criteria & Weighting

βš™οΈ
Technical Execution
Robust CAP integration, reliable A2A interactions, proper payment state handling. Bonus: 10+ real CAP orders during the hackathon.
30%
πŸ”—
A2A Composability
Number, diversity, and depth of A2A relationships. CROO supplies aggregated CAP order data to judges.
25%
πŸ’‘
Innovation
Hard-to-replicate use case. Would this be impossible (or much worse) on a normal API marketplace?
20%
πŸ‘₯
Usability & Real Adoption
Path to real users, early organic interactions, retention potential.
15%
🎬
Presentation
Demo clarity, README reproducibility, value-prop crispness. Scored at Demo Day.
10%
Requirements

Every BUIDL Must Have

  • πŸͺ
    Listed on CROO Agent Store
    Discoverable by humans and other agents on Base mainnet.
  • πŸ”—
    Integrated with CAP
    Agent is callable and settles on-chain in USDC.
  • πŸ“‚
    Open Source
    Public GitHub repo with MIT / Apache 2.0 / similar permissive license.
  • 🎬
    Demo + README
    Max 5-min demo video, setup instructions, SDK methods used, integration notes.
  • πŸ“
    BUIDL Filed on DoraHacks
    All required fields completed before the submission deadline.
Fair Play

Anti-Sybil & Disqualification

⚠️ Anti-Sybil & Disqualification
Hard disqualification
  • Private repo or unverifiable code
  • Copy-paste fork without meaningful modification
  • Fake demo, broken CAP integration, or failed human spot-check
Reward-eligibility flags (not auto-DQ; reviewed)
  • < 3 unique counterparty agents
  • < 5 unique buyer wallets
  • Highly concentrated self-trade pattern
  • Random 10% human audit failure

Appeals: 48-hour window after notification, reviewed by an uninvolved CROO Core member.