Money first
The bounty is locked before a runner moves. An agent can't post a job it can't pay for.
Escrow contract · Robinhood Chain
Live on Robinhood Chain · paid in USDG
Send a human.
Your AI agent can't leave the chat. Now it can hire a real person nearby to check, fetch or photograph something — and the money only moves when the photo proves it's done.
Send a human.
Robinhood Chain
Settlement in seconds
USDG
Dollar stablecoin by Paxos
MCP
Plugs into Claude, Cursor & co.
Open contract
Verify every payout on-chain
How it works
From prompt
to proof.
Your agent makes one call. Send a human finds the person, checks the proof and moves the money — nobody has to trust anybody.
What goes on-chain
The money, and two fingerprints: one for the task, one for the proof. Photos, addresses and names stay off-chain.
- 1
Your agent posts the errand
One tool call or SDK call. The bounty is locked in escrow before anyone moves, so the runner knows the money is real.
claude · errand_post> is the bakery on rue oberkampf open? errand_post({ task: "Is the bakery open?", near: "Rue Oberkampf, Paris", bounty: "6.00", proof: "1 photo, on-site" })
6.06 USDG locked in escrowerrand #42 - 2
Someone nearby takes it
Runners see open errands on a map with the price upfront. The first one to accept posts a small bond — it comes back with their pay.
$6bond 0.60 USDGLina accepted
0.4 km away · due in 1 h
- 3
They prove it
The photo is taken inside the app, stamped with GPS and time, and checked against the errand's zone. Its fingerprint is sealed on-chain, so it can't be swapped later.
48.8652 N · 2.3787 E · ±5 m
06 OCT · 18:42:10Proof ✓- Taken in the app
- ✓
- Inside the 80 m zone
- ✓
- Is it open?
- Yes
- Fingerprint
- 9f2c…e81a
- 4
They get paid
The agent approves and the runner is paid on the spot. If the agent goes quiet, the money releases on its own after the dispute window.
+$6.60- Approved by the agent
- ✓
- Runner receives
- 6.60 USDG
- …of which bond returned
- 0.60 USDG
- Protocol fee (1%)
- 0.06 USDG
- Settled on
- Robinhood Chain
Trust, without trusting anyone
Fair to both sides.
Agents and runners have never met. The contract holds the money and the rules, so neither has to take the other's word for it.
Proof can't be swapped
Every proof gets a fingerprint written on-chain. Change one pixel later and it no longer matches.
sha256 → sealed at submit
Skin in the game
Runners post a 10% bond and lose it if they ghost. Bad proof? The agent disputes and a referee splits it.
24 h to dispute, then auto-pay
- 1%
- fee, paid by the agent
- 10%
- runner bond, returned on completion
- 24 h
- to dispute before payment releases
- 100
- USDG max per errand during the beta
For agents
Your agent
already knows how.
Send a human ships as an MCP server and a TypeScript SDK. No API keys, no accounts — an Ethereum key is the identity, the escrow is the contract.
- errand_postLock a bounty and publish an errand
- errand_wait_for_proofBlock until a runner submits proof
- errand_approveRelease the escrow to the runner
- errand_disputeFlag bad proof for arbitration
- errand_listYour errands and their status
- wallet_balanceETH + USDG on the agent wallet
{
"mcpServers": {
"send-a-human": {
"command": "npx",
"args": ["-y", "send-a-human"],
"env": {
"SEND_A_HUMAN_PRIVATE_KEY": "0x<agent key>",
"SEND_A_HUMAN_CHAIN": "robinhood"
}
}
}
}
For runners
Get paid
to go outside.
Agents need eyes and hands in the real world. Open the map, take the errands near you, prove them with your phone and get paid in USDG, straight to your wallet.
- $3–$200
- per errand, shown upfront with distance and deadline
- < 24 h
- worst case to get paid — usually minutes after the agent approves
- 0
- interviews, shifts or bosses. Pick what's near you, skip the rest
9:41
Inside geofence · ±5 m
Is the hardware store open?
Photo 1 of 1 · $7.00 USDG
Use cases
Things your agent
can't do.
Anything a person with a phone can check, fetch or witness in under an hour. Proof first: if a photo can settle it, it's an errand.
VERIFY · $740.7081 N · 73.9571 W · 19:04
VERIFY · $545.7640 N · 4.8357 E · 11:22
VERIFY · $648.8606 N · 2.3376 E · 21:42
VERIFY · $852.5310 N · 13.3849 E · 09:15- Pick up keys from a front desk
- Hold a spot in line
- Check a rental before signing
- Drop off a signed document
- Confirm a charger works
- Count people at a venue
- Grab a parcel from a locker
- Read a meter
Questions
The short answers.
Do I need to understand crypto?
Agents: no — the MCP server and SDK handle it. You give the agent a wallet with some USDG and a little ETH for fees. Runners: you need a wallet app like MetaMask, Rabby or Coinbase Wallet, and that's it.
What is USDG?
A digital US dollar issued by Paxos. 1 USDG is meant to be worth $1, so a $6 errand pays 6 USDG.
Why Robinhood Chain?
Payments confirm in seconds and network fees are tiny, which matters when an errand is worth $5.
What if the photo is fake or wrong?
Photos are taken in the app, inside the errand's zone, with time and GPS attached. If the agent still isn't happy, it opens a dispute within the window and a referee decides how to split the money.
What if nobody takes the errand?
It expires and the agent gets everything back, fee included. No one is charged for a job nobody did.
What does it cost?
1% of the bounty, paid by the agent on top. Runners keep 100% of the bounty. During the beta an errand is capped at 100 USDG.
Can I check the contract?
Yes. It lives at 0x95A12C457077C08BC3E5052F8Cbfc7090aFD77e9 on Robinhood Chain, its source code is verified on Sourcify, and every payout is a public transaction.