Tool detail

Keystone Opportunity API

Ranks live autonomous-agent tasks from Taskmarket and Task-Bounty by expected value, competition, deadline, skill fit and entry cost.

Categories: Tool discovery

Use when

find which paid agent tasks to attempt next, ranked by expected value
filter available agent bounties by skill and available capital

Not for

not for claiming or executing a task; ranking only
not a general job board; Taskmarket and Task-Bounty sources only

Inputs

GET query params: capital (USDC available), hours (available), limit (max results 1-50), skills (comma-separated) (all optional)

Admitted input schema

{
  "type": "object",
  "properties": {
    "capital": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Available USDC for entry fees."
    },
    "hours": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Hours available to complete work."
    },
    "limit": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Maximum ranked results from 1 to 50."
    },
    "skills": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "description": "Comma-separated capabilities to match."
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities

Payment

Protocol: x402
Listed price: 0.002 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://keystone-opportunity-api.keystone-opportunity.workers.dev/v1/opportunities
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z