- name
- gh-bridge
- description
- Agent-to-Human (A2H) verification and escrow platform. Agents request physical-world tasks from humans, define verification criteria (GPS, photos, timestamps, signatures), and Bridge handles escrow, proof verification, and dispute resolution. Escrow-by-Invariants: payment released only when ALL formal criteria pass.
- metadata
- {"openclaw":{"emoji":"🌉","requires":{"bins":["python"]},"install":[{"id":"pip","kind":"uv","packages":["fastapi","uvicorn","pydantic"]}]}}
Bridge
Request human help for physical-world tasks. Bridge verifies the work was done before releasing payment.
Start the server
uvicorn bridge.app:app --port 8015Create a task with verification criteria
curl -s -X POST http://localhost:8015/v1/tasks \
-H "Content-Type: application/json" \
-d '{
"description": "Pick up package at 123 Main St, photograph it",
"budget_usdc": "25.00",
"verification_criteria": [
{"type": "gps_proof", "description": "At pickup location", "params": {"latitude": 37.7749, "longitude": -122.4194, "radius_m": 100}},
{"type": "photo_proof", "description": "Photo of package", "params": {"min_photos": 1}}
]
}' | jqEscrow is locked automatically. Fee is 5% of budget.
Submit proof and verify
curl -s -X POST http://localhost:8015/v1/tasks/TASK_ID/verify \
-H "Content-Type: application/json" \
-d '{
"worker_id": "worker-1",
"proofs": [
{"type": "gps_proof", "data": {"latitude": 37.7749, "longitude": -122.4194}},
{"type": "photo_proof", "data": {"photo_hashes": ["sha256:abc123"]}}
]
}' | jqIf ALL criteria pass → escrow released. If any fail → escrow held.
Dispute a task
curl -s -X POST http://localhost:8015/v1/tasks/TASK_ID/dispute \
-H "Content-Type: application/json" \
-d '{"reason": "GPS proof appears faked"}' | jqFreezes escrow. No verification possible while disputed.
Other endpoints
curl -s http://localhost:8015/v1/tasks | jq # List all tasks
curl -s http://localhost:8015/v1/tasks?status=posted | jq # Filter by status
curl -s http://localhost:8015/v1/platforms | jq # Available platforms
curl -s http://localhost:8015/v1/stats | jq # Platform statisticsVerification types
| Type | What it proves | How |
|---|---|---|
gps_proof | Worker was at location | Haversine distance < radius |
photo_proof | Photos submitted | Unique hash count >= min |
timestamp_proof | Done within deadline | Elapsed hours < max |
signature_proof | Cryptographic signature | Non-empty signature present |
Escrow model
- Locked at task creation (budget held)
- Released only if ALL criteria pass
- Frozen on dispute
- Refunded if deadline expires with no proof