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PROJECT-IDEAS.md

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PROJECT-IDEAS.md

📌 Not all of the third‑party APIs listed below natively support x402 today—and that’s totally fine. Wrap any API or scraper you need behind a thin x402 server (a dozen lines of code), then let agents pay through the protocol. Have questions? Open a grant or reach out to @murrlincoln on X or GitHub.

How to Contribute

  1. Pick or build your own project.
  2. Stand up a wrapper. Build a small HTTP service (and/or MCP Server) that calls the required API and exposes a paid endpoint.
  3. Show, don’t tell. Record a ≤ 2‑minute video of an agent or human using your service and tag @coinbaseDev on X.

Impact-based micro‑grants up to $3k are available for projects that unlock new demand or supply and are live on mainnet.

Unstoppable Agent

  • What it does: An unstoppable agent that provisions inference or tooling via x402.
  • Payment moment: Each API invocation.
  • Suggested APIs: Any model of your choice, decentralized hosting provider.
  • You can put it in a sandbox with other agents and have them create a x402-enabled society together. All sorts of interesting experiments to run.

Financial Agents

Wealth‑Manager Trading Bot

  • Executes algorithmic trades and reports performance ("Yesterday I earned x %").
  • Payment moments: Per‑data fetch and per‑trade fee (streamed).
  • Suggested APIs: Messari, token price data, web search, web scraping like Firecrawl.

Prediction‑Market Oracle

  • Agent resolves any prediction market by fetching consensus facts online.
  • Payment moment: Resolution fee on settlement.
  • Suggested APIs: Web search and web scrape.

Rapid KYC/AML Checker

  • Pay $0.25 to screen a wallet address against sanctions lists or heuristics.
  • Payment moment: Flat per‑check fee.
  • Suggested APIs: Chainalysis, TRM, or your own heuristics.

Commerce Agents

Purchase‑With‑Crypto Shopper

  • Agent fills a cart and checks out via Coinbase Commerce or Crossmint.
  • Payment moment: Single checkout; optional per‑lookup scraping fee.
  • Suggested APIs: Firecrawl scraping, Crossmint / Flxpoint commerce API, browser automation for long‑tail sites.

Agentic Commerce Proof‑of‑Concept

  • End‑to‑end merchant checkout driven by an agent paying through x402.

Knowledge & Services

Bounty‑Hunter Agent

  • Scans for open bounties, completes tasks, claims reward.
  • Payment moments: Entry fee; streaming pay‑as‑you‑work compute.
  • Suggested APIs: Bountycaster, basic web‑scrape, image gen, code sandbox.

One‑Off Code Review Marketplace

  • Any dev can highlight code and pay $5 for expert review.
  • Payment moment: Flat fee when review bundle is delivered.

Consultant Agent

  • Finds an expert, books a call, pays automatically.
  • Payment moment: Up‑front booking fee.
  • Suggested APIs: Cal.com., Twilio, XTMP messaging, LinkedIn search.

Dynamic Endpoint Shopper

  • Agent discovers an MCP registry, pays for its service, chains results.
  • Payment moments: Pay‑per‑call to each discovered endpoint.
  • Suggested APIs: Toolbox MCP registry + target MCP.

Real‑Time Fact Checker

  • Journalists highlight a claim; agent finds supporting sources and pays per page.
  • Payment moment: Per‑page retrieval.
  • Suggested APIs: Exa Search, snapshots via Browserbase.

Pay‑As‑You‑Learn Tutor

  • Every executed command explanation costs 1 cent; itemized bill at session end.

Weather‑Triggered Donations

  • When temp drops below a threshold or a tornado warning hits, agent donates to a local org.

Facebook‑Marketplace Buyer

  • Agent negotiates and buys local items.
  • Payment moments: Deposit on agreement; final payment on pickup.
  • Suggested APIs: Web‑scrape, Browserbase / Stagehand chat, reverse‑image search.

Bounty Poster

  • Agent outsources tasks it can’t finish, posts bounties automatically.
  • Payment moment: Listing fee per bounty.
  • Suggested APIs: Craigslist API or Bountycaster.

Need Something Else?

Have an idea that doesn’t fit? We’re flexible. Pitch it in an issue, outline the APIs you’ll wrap, and we’ll help you scope it.