MCP tools for x402 readiness, paid-path probes, launch packs, and trust receipts.
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Create a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so the decision can be audited; no external action is executed.
Action metadata the agent is about to perform.
Decision object, e.g. allow/retry/review/block and reason.
Optional result or dry-run summary to hash into evidence.
Optional guidance stored in the receipt.
Create a deterministic, read-only pre-action receipt from request, policy, and optional result evidence. Use before an agent posts, spends, lists, or writes so the decision can be audited; no external action is executed.
| Argument | Type | Description |
|---|---|---|
| policy | object | Decision object, e.g. allow/retry/review/block and reason. |
| result | object | Optional result or dry-run summary to hash into evidence. |
| request* | object | Action metadata the agent is about to perform. |
| nextStep | string | Optional guidance stored in the receipt. |
{
"type": "object",
"required": [
"request"
],
"properties": {
"policy": {
"type": "object",
"description": "Decision object, e.g. allow/retry/review/block and reason."
},
"result": {
"type": "object",
"description": "Optional result or dry-run summary to hash into evidence."
},
"request": {
"type": "object",
"description": "Action metadata the agent is about to perform."
},
"nextStep": {
"type": "string",
"description": "Optional guidance stored in the receipt."
}
},
"additionalProperties": true
}GateCheck readiness: check whether an x402/agent-facing tool is ready for agent routing, marketplace listing, and paid-path monitoring, including public agent discovery surfaces (/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp). Pass target plus optional tier, marketplace_url, expected_resources, and paid_path; deep/report tiers add unpaid 402 probing when paid_path is supplied. Tiers: quick $1, deep $5, report $10.
| Argument | Type | Description |
|---|---|---|
| tier | string | Readiness depth. quick=$1, deep=$5, report=$10. Defaults to quick. |
| method | string | Safe unpaid probe method when paid_path is supplied. Defaults to GET. |
| target* | string | Target API/provider base URL to scan. |
| expected | object | Optional expected x402 network/asset/price metadata for paid_path probes. |
| paid_path | string | Optional specific paid endpoint to probe without payment for deep/report tiers. |
| marketplace_url | string | Optional marketplace/listing URL to compare against public metadata. |
| expected_resources | integer | Optional expected resource count. |
Generate a deterministic trust receipt from sanitized request/policy/result/payment summaries. Do not submit raw auth headers, cookies, API keys, private keys, payment signatures, payment response headers, customer prompts, customer documents, or payer-identifying evidence.
| Argument | Type | Description |
|---|---|---|
| policy | object | Sanitized policy or decision summary to hash. |
| result | object | Sanitized outcome/result summary to hash; omit customer data and secret-like values. |
| payment | object | Optional sanitized payment summary or caller-provided hashes only; do not include raw payment signatures, raw payment response headers, private keys, API keys, cookies, payer-identifying evidence, or wallet secrets. |
| request* | object | Sanitized request/action summary to hash; omit raw prompts, documents, credentials, cookies, auth headers, signatures, and secrets. |
| nextStep | string | Optional receipt next-step guidance. |
{
"type": "object",
"required": [
"request"
],
"properties": {
"policy": {
"type": "object",
"description": "Sanitized policy or decision summary to hash."
},
"result": {
"type": "object",
"description": "Sanitized outcome/result summary to hash; omit customer data and secret-like values."
},
"payment": {
"type": "object",
"description": "Optional sanitized payment summary or caller-provided hashes only; do not include raw payment signatures, raw payment response headers, private keys, API keys, cookies, payer-identifying evidence, or wallet secrets."
},
"request": {
"type": "object",
"description": "Sanitized request/action summary to hash; omit raw prompts, documents, credentials, cookies, auth headers, signatures, and secrets."
},
"nextStep": {
"type": "string",
"description": "Optional receipt next-step guidance."
}
},
"additionalProperties": true
}Generate marketplace-safe launch assets for an x402/MCP seller: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries. Pass target plus optional product_name, audience, primary_use_case, marketplace_url, and paid_path; service/premium tiers include readiness evidence. Tiers: single $9, service $29, premium $49.
| Argument | Type | Description |
|---|---|---|
| tier | string | Launch pack depth. single=$9, service=$29, premium=$49. Defaults to single. |
| method | string | Safe unpaid probe method when paid_path is supplied. Defaults to GET. |
| target* | string | Target API/provider base URL to package for launch. |
| audience | string | Primary buyer/audience for listing copy. |
| expected | object | Optional expected x402 network/asset/price metadata for paid_path probes. |
| paid_path | string | Optional paid endpoint to validate via unpaid 402 challenge for service/premium packs. |
| product_name | string | Buyer-facing product title. |
| marketplace_url |
Probe a public x402 paid endpoint without signing or paying, then parse the HTTP 402 challenge. Pass target plus optional expected network/asset/price to verify payment metadata and receive a deterministic health receipt.
| Argument | Type | Description |
|---|---|---|
| mode | string | Probe mode for v1. Defaults to unpaid_402. |
| method | string | Safe unpaid probe method. Defaults to GET. |
| target* | string | Specific paid endpoint URL to probe without payment. |
| expected | object | Optional expected x402 metadata such as network, asset, and priceUsd. |
{
"type": "object",
"required": [
"target"
],
"properties": {
"mode": {
"enum": [
"unpaid_402",
"metadata_only"
],
"type": "string",
"description": "Probe mode for v1. Defaults to unpaid_402."
},
"method": {
"enum": [
"GET",
"HEAD",
"OPTIONS"
],
"type": "string",
"description": "Safe unpaid probe method. Defaults to GET."
},
"target": {
"type": "string",
"description": "Specific paid endpoint URL to probe without payment."
},
"expected": {
"type": "object",
"properties": {
"asset": {
"type": "string"
},
"network": {
"type": "string"
},
"priceUsd": {
"type": "string"
}
},
"description": "Optional expected x402 metadata such as network, asset, and priceUsd.",
"additionalProperties": true
}
},
"additionalProperties": false
}Read-only scan of a public API/provider URL for x402, OpenAPI, pricing, and agent-discovery metadata. Pass url, and optionally marketplace_url plus expected_resources, to get a readiness score, issues, and fixes; no private endpoints are called.
| Argument | Type | Description |
|---|---|---|
| url* | string | Target API/provider base URL to scan. |
| marketplace_url | string | Optional marketplace/listing URL to compare against public metadata. |
| expected_resources | integer | Optional expected resource count. |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "Target API/provider base URL to scan."
},
"marketplace_url": {
"type": "string",
"description": "Optional marketplace/listing URL to compare against public metadata."
},
"expected_resources": {
"type": "integer",
"description": "Optional expected resource count."
}
},
"additionalProperties": false
}{
"type": "object",
"required": [
"target"
],
"properties": {
"tier": {
"enum": [
"quick",
"deep",
"report"
],
"type": "string",
"description": "Readiness depth. quick=$1, deep=$5, report=$10. Defaults to quick."
},
"method": {
"enum": [
"GET",
"HEAD",
"OPTIONS"
],
"type": "string",
"description": "Safe unpaid probe method when paid_path is supplied. Defaults to GET."
},
"target": {
"type": "string",
"description": "Target API/provider base URL to scan."
},
"expected": {
"type": "object",
"description": "Optional expected x402 network/asset/price metadata for paid_path probes.",
"additionalProperties": true
},
"paid_path": {
"type": "string",
"description": "Optional specific paid endpoint to probe without payment for deep/report tiers."
},
"marketplace_url": {
"type": "string",
"description": "Optional marketplace/listing URL to compare against public metadata."
},
"expected_resources": {
"type": "integer",
"description": "Optional expected resource count."
}
},
"additionalProperties": false
}| string |
| Optional marketplace/listing URL to compare against public metadata. |
| primary_use_case | string | Primary buyer outcome/use case. |
| expected_resources | integer | Optional expected resource count. |
| desired_marketplaces | array | Optional marketplace names to include in launch planning. |
{
"type": "object",
"required": [
"target"
],
"properties": {
"tier": {
"enum": [
"single",
"service",
"premium"
],
"type": "string",
"description": "Launch pack depth. single=$9, service=$29, premium=$49. Defaults to single."
},
"method": {
"enum": [
"GET",
"HEAD",
"OPTIONS"
],
"type": "string",
"description": "Safe unpaid probe method when paid_path is supplied. Defaults to GET."
},
"target": {
"type": "string",
"description": "Target API/provider base URL to package for launch."
},
"audience": {
"type": "string",
"description": "Primary buyer/audience for listing copy."
},
"expected": {
"type": "object",
"description": "Optional expected x402 network/asset/price metadata for paid_path probes.",
"additionalProperties": true
},
"paid_path": {
"type": "string",
"description": "Optional paid endpoint to validate via unpaid 402 challenge for service/premium packs."
},
"product_name": {
"type": "string",
"description": "Buyer-facing product title."
},
"marketplace_url": {
"type": "string",
"description": "Optional marketplace/listing URL to compare against public metadata."
},
"primary_use_case": {
"type": "string",
"description": "Primary buyer outcome/use case."
},
"expected_resources": {
"type": "integer",
"description": "Optional expected resource count."
},
"desired_marketplaces": {
"type": "array",
"items": {
"type": "string"
},
"description": "Optional marketplace names to include in launch planning."
}
},
"additionalProperties": false
}