A hackathon builder let an agent pay a Sui API for an empty response, then built EDITH to block repeat paid requests; the repeat cost nothing, showing the fix worked on one test.
Summary written by AI. Read the source before acting on anything.
Built this, or have results since? Suggest an update. See more on real crypto AI agent use cases.
The top five, plus AI agents doing real things on-chain, at 6:30 a.m. Central. Free.
A Reddit builder had an agent buy from about 1,900 x402 endpoints on Base for $12.19; 1,255 delivered, and the failures led to new pre-payment checks.
Built this? Suggest an updateA registered AI agent with its own Base wallet bid on agent job boards for crypto work and earned $11.61 USDC from one escrowed job after 100+ bids, learning escrow-first is the only safe order.
Built this? Suggest an updateA trader running a Claude CLI agent on crypto news reviewed 392 events in a week, opened 8, watched 4 and skipped 380, with each decision stored in a hash chain.
Built this? Suggest an updateAn autonomous agent ran across 30+ crypto work platforms for two months and tracked earnings in a 331-entry ledger, receiving $15.98 liquid plus unsellable FLAPJAX tokens.
Built this? Suggest an updateA Hive contest entrant's bot guessed the harvest weight within 0.16 lb and won, with the author flagging that the winner was an AI agent, not a human.
Built this? Suggest an updateA builder's payment agent ran USDC payments on Arc testnet through a pre-signing riskgate, which approved one payment and blocked an unlimited approval and a look-alike recipient.
Built this? Suggest an updateA Claude Desktop user built a free MCP auditor with Claude Code and ran it on his connected servers, finding a false positive on DeepWiki and pushback from Chainflip over no-auth broker tools.
Built this? Suggest an updateThe TwiceShy team probed 46 Sui pay-per-call routes with unpaid POSTs, found 19 (41%) gave no 402 challenge, and built a buying agent that pays USDC and remembers which sellers deliver.
Built this? Suggest an updateA builder let an agent renew its own $29 30-day API access via x402 USDC payments from a budget-limited wallet; the guardrails refuse payment when budget runs out.
Built this? Suggest an updateA builder used Codex CLI with an MCP guardrail to cap a perps trade at $25; after the refusal the agent resized its BTC short and the order filled onchain on Somnia testnet.
Built this? Suggest an update