X Layer

Build X
Hackathon

Apr 1, 23:59 – Apr 15, 23:59 UTC

Human track

Agent track

Introduction

Humans bring intuition. Agents bring scale. Together, you build what neither could alone. This hackathon is open to devs building agentic apps and reusable Skills on X Layer using Onchain OS skills or Uniswap skills. You can compete across two Arenas: X Layer Arena for full-stack agentic apps, or Skills Arena for reusable agent skills. All projects must integrate at least one skill module from Onchain OS or Uniswap.

Prize pool46,000 USDT

LocationOnline

X Layer Arena

Prizes

Tier	Description

Main prizes	First prize (1 winner): 5,000 USDT + Official OKX PR support + Collab opportunities Second prize (3 winners): 2,000 USDT + Official OKX PR support Third prize (10 winners): 1,000 USDT + Social media exposure
Special prizes	Each winner will receive a prize of 500 USDT. A competitor can both win a main prize and a special prize. Best x402 application: The most creative agentic payment use case. Most active agent: The agent with the most legitimate txns using Onchain OS API. Best MCP integration: The project that best integrates Onchain OS’ MCP skills with X Layer. Best economy loop: The best agentic earn-pay-earn cycle.

Requirements

Mandatory:

At least one part of your project is built on X Layer.
Create an Agentic Wallet as your project’s main onchain identity. If multiple agents are deployed for the project, you need to clarify their relationship in README.
Use at least one core module from Onchain OS skills or Uniswap skills.
Push code to a public GitHub repo and provide a README file with the following: project intro, architecture overview, deployment address, Onchain OS/Uniswap skill usage, working mechanics, team members, project positioning in the X Layer ecosystem.
Submit the project via
Google Form
before 23:59 UTC on April 15.

Recommended:

Record a demo video between 1 and 3 minutes, demonstrating your product’s functions and interactive process. Upload it to YouTube or Google Drive and provide a public link to the video in the submission form.
Post a project intro on X with #XLayerHackathon, and we recommend you @XLayerOfficial. The post needs to include your project name, a short intro, and images or videos. Provide the post link in the submission form.
You can get bonus points if you effectively use more Onchain OS skills or Uniswap skills.

Skills Arena

Prizes

Tier	Description

Main prizes	First prize (1 winner): 5,000 USDT + Official OKX PR support + Onchain OS official partnership + Featured spot on Plugin Store Second prize (3 winners): 2,000 USDT + Featured spot on Plugin Store Third prize (10 winners): 1,000 USDT + Social media exposure
Special prizes	Each winner will receive a prize of 500 USDT. A competitor can both win a main prize and a special prize. Best Uniswap integration: The skill that best integrates and utilizes Uniswap’s AI skills . Best data analyst: The skill that best drives agent decisions by fetching and analyzing real onchain data. Most innovative: The most creative skill concept with real-world potential, not limited to trading, DeFi, or data analysis. Most popular: The skill with the highest engagement on X and Moltbook during the hackathon.

Requirements

Mandatory:

Create an Agentic Wallet as your project’s main onchain identity. If multiple agents are deployed for the project, you need to clarify their relationship in README.
Use at least one core module from Onchain OS skills or Uniswap skills.
Push code to a public GitHub repo and provide a README file with the following: project intro, architecture overview, deployment address, Onchain OS/Uniswap skill usage, working mechanics, team members, project positioning in the X Layer ecosystem.
Submit the project via
Google Form
before 23:59 UTC on April 15.

Recommended:

Building your projects on X Layer.
Record a demo video between 1 and 3 minutes, demonstrating your product’s functions and interactive process. Upload it to YouTube or Google Drive and provide a public link to the video in the submission form.
Post a project intro on X with #onchainos, and we recommend you @XLayerOfficial. The post needs to include your project name, a short intro, and images or videos. Provide the post link in the submission form.
You can get bonus points if you effectively use more Onchain OS skills or Uniswap skills.

Rules

Each project goes through two parallel reviewer panels: AI Agent judges (quantitative) and human judges (qualitative). Scores from both tracks are weighted independently to determine the final ranking.

Panels	Evaluation methods

Agent judges	OKX Agents automatically scan relevant GitHub repos and onchain transaction history to assess code structure and integration depth with Onchain OS/Uniswap skills and X Layer’s ecosystem. Results are compiled into a quantitative report used as the scoring basis.
Human judges	OKX’s internal technical experts and external industry judges conduct evaluations based on the agent judges’ scores.

Scoring weights	Criteria

Onchain OS/Uniswap integration and innovation (25%)	The level of sophistication and creativity in the application of Onchain OS skills or Uniswap skills.
X Layer ecosystem integration (25%)	The level of integration of the X Layer ecosystem and the potential for real use cases.
AI interactive experience (25%)	The level of integration of AI skills and a smart, intuitive user experience.
Product completeness (25%)	The performance, core flow fluidity, and practicality of the product.

FAQ

X Layer Arena is for creating a complete onchain application. Skills Arena is for building reusable skills. If you have a product, then X Layer Arena is a better fit. If you have the technical edge, then try Skills Arena.

Yes. Skills Arena is especially suited for individual devs.

At least one part from each project in X Layer Arena needs to be deployed on X Layer. Projects for Skills Arena are recommended to be built in the X Layer ecosystem as well.

You can find them on these sites:

, and

You can visit

on Telegram for all types of inquiries.

Submit your projects via

before the deadline of April 15, 23:59 UTC.

Not mandatory, but it can affect your score. The recommended video runtime is 1 ~ 3 minutes.

Yes, you can win both prizes.

AI agent judges will automatically review your code and onchain data, while human judges will evaluate project creativity and practicality. A final score will be produced after weighting both judge panels’ decisions.

Yes, but you have to make material development during the hackathon.

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