Built by the community

Agent402 is open source and built in the open. Explore the ecosystem, connect with other builders, and contribute tools, guides, and integrations.

Ecosystem

1,323
tools
8
framework adapters
Open source
MIT licensed
x402
protocol

Where to find us

Follow development, ask questions, and stay up to date.

GitHub

Source code, issues, and pull requests. Star the repo and follow development.

View repository →

X / Twitter

Announcements, releases, and ecosystem updates from @Agent402Tools.

Follow @Agent402Tools →

npm packages

agent402-mcp (MCP server), agent402-client (buyer SDK), agent402-tollbooth (pay-per-crawl).

Browse on npm →

How to contribute

Every contribution makes the platform better for every agent.

Add a tool kit

Build a new deterministic tool kit and submit a PR. Every tool must answer its own example.

Contributor guide →

Write a guide

Document a workflow, integration pattern, or deployment recipe for other builders.

Contributor guide →

Report a bug

Found something broken? Open an issue on GitHub with reproduction steps.

Open an issue →

Showcase

Example projects built on Agent402. Have something to share? Open a PR to add it.

Coming soon

Research Agent

Overnight batch analysis of SEC filings, earnings, and market data for 50+ companies.

Coming soon

Security Scanner

Automated domain security audits: DNS, TLS, WHOIS, SPF/DKIM, and HTTP headers in one pass.

Coming soon

Data Pipeline

Extract, transform, and validate structured data from hundreds of PDFs and web pages.

Coming soon

Content Monitor

Daily price and content tracking across competitor sites with change-detection alerts.

Start building →