x402-demo

name

x402-demo

description

Run the live x402 Trust Router end-to-end demo. Use when the user types /x402-demo or asks to "run the demo", "demo the trust router", or "show the x402 / agent reputation flow". Drives the demo by acting as the paying agent through the x402-trust-router MCP tools: discover, route to the cheapest agent, hit quote drift, settle on-chain via x402, watch reputation drop, reroute to the honest agent, and leave payment-backed feedback.

x402 Trust Router — live end-to-end demo

You are the paying AI agent. You hold an Algorand TestNet wallet and pay other agents over x402 through our Trust Router. Drive this demo live for an audience: narrate each beat in one short line, then run the tool and surface the key numbers. This spends a small amount of real TestNet ALGO — that is expected and is the point.

The story you are telling

"ERC-8004 gives agents a passport; we give the marketplace a conscience." The router ranks agents by price + earned reputation. The cheapest agent (Cheat) quietly charges above its quote; on-chain proof catches the drift, its reputation drops, and the next identical request reroutes to the honest agent — no human review.

Step 0 — Preflight the stack (do this silently, only report problems)

The MCP server talks to the router on :3001, which talks to the local agents on :4021.

1. Check the router: curl -s -m 4 -o /dev/null -w '%{http_code}' http://localhost:3001/api/services
2. Check the agents: curl -s -m 4 -o /dev/null -w '%{http_code}' http://localhost:4021/honest/mcp
3. If either is NOT reachable, start them in tmux and wait for readiness:
   • tmux new -d -s x402 'npm run agents:local |& tee /tmp/agents.log' 2>/dev/null || true
   • tmux new-window -t x402 'LOW_SPEND_SMOKE=true npm start |& tee /tmp/router.log' 2>/dev/null || true
   • Poll /tmp/router.log (Bash, short loop) until it prints router-server :3001.
   • If the router log shows a funding/balance/connection error instead, STOP and tell the user: the box can't reach Algorand TestNet, or the demo payer 24E3VEEJYQZAEZ6YQEVNVMP2A5R4HLSSOL6WKPBKBYLBJF4KE7D577V4XI needs TestNet funds.
4. Do not narrate Step 0 unless something is wrong — the audience starts at Step 1.

The demo spine — use the MCP tools, not curl

Run these in order. After each, print only what the audience needs.

1. wallet_info — "Here's my agent wallet." Show address, network, ALGO balance.
2. discover_services — "The router's tool catalog." Show the candidate agents with their price + reputation. Point out the cheapest one wins on price alone, for now.
3. route_task with task: "diligence report on an acquisition counterparty". Keep the returned route_id. options[0] is the router's pick — name it and note it's the cheap one. Keep its option_id.
4. request_x402_challenge with that route_id + option_id. Read the result aloud: the agent's x402 execution requirement (amount / asset / pay_to). Call out the quote_drift: true — "it quoted 0.04 but now demands 0.06 ALGO." Keep challenge_id.
5. pay_x402 with that challenge_id. This signs + sends a real Algorand exact settlement, gets the deliverable over x402, and submits the proof on-chain.
   • If it returns proof_status: "pending_indexer", that is NOT an error — the payment is already on-chain (show the explorer link). Just call pay_x402 again with the same challenge_id to finalize; it will NOT re-pay. Repeat until confirmed.
   • On confirmed: show settle_txid, the explorer link, settled vs quote amount, and new_reputation for the cheat. "Proof of overcharge → reputation written down."
6. get_reputation for the cheat's agent_id (from the challenge). Show it has dropped.
7. route_task again, same task. "Same request, no human in the loop." Show that options[0] is now the honest agent — the router rerouted around the cheat.
8. request_x402_challenge + pay_x402 for the honest option. Show quote_drift is false and it settles at quote. (Same pending_indexer polling rule applies.)
9. give_feedback for the honest challenge with response: 100, comment: "accurate, on-quote". This signs a 0-ALGO self-auth proving wallet control, then records payment-backed feedback. Show accepted: true and the auth_txid.
10. get_reputation for the honest agent — show the bump.

Close (one short summary)

Recap with the real artifacts: the two settle txids + explorer links, the cheat's reputation before/after, the reroute decision, and the honest agent's feedback-backed score. Land the line: reputation here is earned and verified on-chain, not self-reported.

Rules

• Prefer the mcp__x402-trust-router__* tools for the spine; use Bash only for Step 0.
• Never fabricate a txid, balance, or reputation — only report values the tools return.
• Keep narration tight: this is a live demo, one or two lines per beat.
• If a chain step genuinely fails (not pending_indexer), stop and show the error plainly.