First Dollar Test

Working · 2.3 s

com.first-dollar-test/first-dollar-testv0.3.0 Domain verified

Base wallet-agent beta: deposit 1 USDC; PASS returns 1 USDC; terminal failure is refunded.

Finance & Payments

Website Registry entry

Maintain this server? Claim it

Try it

Call this server's tools from your browser. Nothing to install.

https://api.first-dollar-test.com/mcp

Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.

Tool list from our last check. Connect live to refresh it.

create_run

Creates no payment. Save clientToken and idempotencyKey first. Registry/autonomy fields are caller claims only.

clientTokenstring, required

Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.

termsVersionstring, required

idempotencyKeystring, required

Persist 8–128 safe characters before calling. Reuse the key with the identical request after a timeout.

discoveryobject

Optional caller claims. MCP transport does not prove Registry discovery or autonomous intent.

This tool isn't marked read-only, so it may change something on the server or in an account you connected.

I understand, run it anyway

Tools (7)

create_run

Creates no payment. Save clientToken and idempotencyKey first. Registry/autonomy fields are caller claims only.

Argument	Type	Description
discovery	object	Optional caller claims. MCP transport does not prove Registry discovery or autonomous intent.
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.
termsVersion*	string
idempotencyKey*	string	Persist 8–128 safe characters before calling. Reuse the key with the identical request after a timeout.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "clientToken",
    "termsVersion",
    "idempotencyKey"
  ],
  "properties": {
    "discovery": {
      "type": "object",
      "properties": {
        "mode": {
          "enum": [
            "autonomous",
            "human_handoff",
            "unknown"
          ],
          "type": "string"
        },
        "selfReportedChannel": {
          "enum": [
            "google",
            "mcp_registry",
            "a2a",
            "x402_discovery",
            "direct_url",
            "human_handoff",
            "unknown"
          ],
          "type": "string"
        }
      },
      "description": "Optional caller claims. MCP transport does not prove Registry discovery or autonomous intent.",
      "additionalProperties": false
    },
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    },
    "termsVersion": {
      "type": "string",
      "maxLength": 80,
      "minLength": 1
    },
    "idempotencyKey": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{8,128}$",
      "description": "Persist 8–128 safe characters before calling. Reuse the key with the identical request after a timeout."
    }
  },
  "additionalProperties": false
}

enroll

Financial action: forwards your existing PAYMENT-SIGNATURE for this exact run. Does not sign, fund a wallet or create a new authorization. Poll the same run after pending/unknown outcomes.

destructive

Argument	Type	Description
runId*	string
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.
paymentSignature*	string	Caller-created x402 v2 PAYMENT-SIGNATURE value for this run. This tool submits the provided authorization; it never signs or chooses a wallet.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId",
    "clientToken",
    "paymentSignature"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "format": "uuid"
    },
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    },
    "paymentSignature": {
      "type": "string",
      "maxLength": 24576,
      "minLength": 1,
      "description": "Caller-created x402 v2 PAYMENT-SIGNATURE value for this run. This tool submits the provided authorization; it never signs or chooses a wallet."
    }
  },
  "additionalProperties": false
}

get_opportunity

Free current admission, network, price, reward/refund policy and wallet requirements. Read before creating or paying.

read-only

No arguments.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "properties": {},
  "additionalProperties": false
}

get_payment_quote

Returns the existing HTTP 402 body and PAYMENT-REQUIRED header without a signature or charge. A paid/pending run returns its original state.

read-only

Argument	Type	Description
runId*	string
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId",
    "clientToken"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "format": "uuid"
    },
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    }
  },
  "additionalProperties": false
}

get_receipt

Read expected reward/refund and actual finalized transfer state. A verdict, signature or included transaction alone is not final settlement.

read-only

Argument	Type	Description
runId*	string
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId",
    "clientToken"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "format": "uuid"
    },
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    }
  },
  "additionalProperties": false
}

poll_run

Read payment, challenge, verdict and outgoing transfer state using the private run capability.

read-only

Argument	Type	Description
runId*	string
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId",
    "clientToken"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "format": "uuid"
    },
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    }
  },
  "additionalProperties": false
}

submit_answer

Persist submission idempotencyKey before calling. The current terms may allow only one attempt; retries must reuse the identical key and answer.

destructive

Argument	Type	Description
runId*	string
answer*	any
clientToken*	string	Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace.
idempotencyKey*	string	Persist 8–128 safe characters before calling. Reuse the key with the identical request after a timeout.

Input schema (JSON)

{
  "type": "object",
  "$schema": "http://json-schema.org/draft-07/schema#",
  "required": [
    "runId",
    "clientToken",
    "idempotencyKey",
    "answer"
  ],
  "properties": {
    "runId": {
      "type": "string",
      "format": "uuid"
    },
    "answer": {},
    "clientToken": {
      "type": "string",
      "pattern": "^[0-9a-fA-F]{64}$",
      "description": "Private run capability: generate and save 32 random bytes before creating a run. Never put it in a URL or public trace."
    },
    "idempotencyKey": {
      "type": "string",
      "pattern": "^[A-Za-z0-9_-]{8,128}$",
      "description": "Persist 8–128 safe characters before calling. Reuse the key with the identical request after a timeout."
    }
  },
  "additionalProperties": false
}