{ "info": { "description": "GateCheck by LarryBuildsAI is the public product name for professional x402 and MCP public readiness scans, unpaid paid-path 402 probes, $1 quick readiness checks, $10 buyer-safe readiness reports, $49 premium x402 launch packs, Agentic.Market/CDP Bazaar launch preparation, marketplace-safe launch packs, pre-action Boundary Guard checks, and deterministic evidence receipts. Alias: Agent Tool Readiness Checker. Search aliases include paid agent tool readiness, x402 seller readiness, x402 readiness report, paid-path probe, MCP seller readiness, and x402 Launch Pack Generator. Legacy name: Boundary Guard x402. Reports do not imply marketplace endorsement, settlement proof, security certification, or downstream execution.", "summary": "Preflight checks for paid agent tools: $1 readiness checks, $10 buyer-safe reports, and $49 x402 launch packs for x402/MCP sellers.", "title": "GateCheck by LarryBuildsAI", "version": "0.1.0" }, "openapi": "3.1.0", "paths": { "/.well-known/mcp.json": { "get": { "summary": "MCP discovery metadata for autonomous agent discovery", "tags": [ "Discovery" ] } }, "/.well-known/mcp/server-card.json": { "get": { "summary": "Static MCP server card for marketplace crawlers", "tags": [ "Discovery" ] } }, "/.well-known/x402": { "get": { "summary": "x402 resource manifest for this scanner", "tags": [ "Discovery" ] } }, "/agents.txt": { "get": { "summary": "Agent discovery pointers for this MCP server", "tags": [ "Discovery" ] } }, "/llms.txt": { "get": { "summary": "LLM-friendly MCP tool catalog with suggested xpay pricing", "tags": [ "Discovery" ] } }, "/mcp": { "get": { "summary": "Publisher metadata for GateCheck by LarryBuildsAI", "tags": [ "MCP" ] }, "post": { "operationId": "agentToolReadinessMcpJsonRpc", "requestBody": { "content": { "application/json": { "schema": { "type": "object" } } }, "required": true }, "responses": { "200": { "description": "MCP JSON-RPC response" }, "401": { "description": "Optional upstream bearer auth required" } }, "summary": "Streamable HTTP MCP JSON-RPC endpoint for xpay Tools marketplace wrapping", "tags": [ "MCP" ] } }, "/openapi.json": { "get": { "summary": "OpenAPI document for this scanner", "tags": [ "Discovery" ] } }, "/robots.txt": { "get": { "summary": "Crawler policy and sitemap pointer", "tags": [ "Discovery" ] } }, "/sitemap.xml": { "get": { "summary": "Search and agent discovery sitemap", "tags": [ "Discovery" ] } }, "/skill.md": { "get": { "summary": "Markdown skill description for agent clients", "tags": [ "Discovery" ] } }, "/v1/receipts/check": { "post": { "operationId": "createBoundaryGuardReceipt", "requestBody": { "content": { "application/json": { "schema": { "type": "object" } } }, "required": true }, "responses": { "200": { "description": "Receipt evidence document" }, "400": { "description": "Invalid request" }, "402": { "description": "x402 payment required" } }, "summary": "Create a Boundary Guard-style receipt for request/policy/result evidence", "tags": [ "x402" ], "x-x402-price": { "amount": "0.05", "asset": "USDC" } } }, "/v1/travel/brief": { "post": { "description": "Turns flight, cabin/seat, family seating, hotel, budget, and constraint inputs into a structured search-ready brief, provider query plan, seat/hotel checklist, risk flags, and budget sanity check. Does not query live flight or hotel inventory, does not quote live fares, and does not book travel.", "operationId": "generateTravelBrief", "requestBody": { "content": { "application/json": { "examples": { "familyComfortPlus": { "value": { "cabin": "Comfort Plus", "constraints": [ "no red-eyes", "one layover max" ], "depart_date": "2026-08-15", "destination": "Orlando MCO", "family_seating": { "split_ok": false, "together_required": true }, "hotel_preferences": { "breakfast_included": true, "star_rating_min": 4, "vibe_tags": [ "family friendly", "pool" ] }, "origin": "Raleigh-Durham RDU", "return_date": "2026-08-20", "seat_preferences": [ "aisle", "window", "extra legroom" ], "travelers": { "adults": 2, "children": [ 7, 10 ] } } } }, "schema": { "additionalProperties": true, "properties": { "budget": { "additionalProperties": true, "type": "object" }, "cabin": { "description": "economy, comfort_plus, premium_economy, business, first, or natural-language alias.", "type": "string" }, "constraints": { "items": { "type": "string" }, "type": "array" }, "depart_date": { "format": "date", "type": "string" }, "destination": { "description": "Destination city, airport, or region.", "type": "string" }, "family_seating": { "additionalProperties": true, "type": "object" }, "flexible_dates": { "oneOf": [ { "type": "boolean" }, { "maximum": 7, "minimum": 0, "type": "integer" }, { "type": "object" } ] }, "hotel_preferences": { "additionalProperties": true, "type": "object" }, "notes": { "maxLength": 1000, "type": "string" }, "origin": { "description": "Origin city, airport, or region.", "type": "string" }, "return_date": { "format": "date", "type": "string" }, "seat_preferences": { "items": { "type": "string" }, "type": "array" }, "travelers": { "additionalProperties": false, "properties": { "adults": { "default": 1, "minimum": 0, "type": "integer" }, "children": { "oneOf": [ { "minimum": 0, "type": "integer" }, { "items": { "minimum": 0, "type": "integer" }, "type": "array" } ] }, "infants": { "minimum": 0, "type": "integer" } }, "type": "object" }, "trip_purpose": { "default": "leisure", "enum": [ "leisure", "business", "family", "mixed" ], "type": "string" } }, "required": [ "origin", "destination", "depart_date" ], "type": "object" } } }, "required": true }, "responses": { "200": { "description": "Travel planning brief with query plan, checklists, risk flags, claim boundary, and payment summary" }, "400": { "description": "Invalid request or secret-like notes/constraints" }, "402": { "description": "x402 payment required" } }, "summary": "Generate a planning-only travel search brief", "tags": [ "x402" ], "x-bazaar": { "bodyType": "json", "category": "Travel Planning & Concierge", "description": "Planning-only x402 travel concierge: turns trip, cabin/seat preference, family seating, hotel preference, budget, and constraint inputs into a search-ready brief. No live fares, inventory, booking, reservations, seat guarantees, or seller-of-travel service.", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "inputExample": { "cabin": "Comfort Plus", "constraints": [ "no red-eyes", "one layover max" ], "depart_date": "2026-08-15", "destination": "MCO", "family_seating": { "split_ok": false, "together_required": true }, "hotel_preferences": { "breakfast_included": true, "star_rating_min": 4, "vibe_tags": [ "family friendly", "pool" ] }, "origin": "RDU", "return_date": "2026-08-20", "seat_preferences": [ "aisle", "window", "extra legroom" ], "travelers": { "adults": 2, "children": [ 7, 10 ] } }, "inputSchema": { "additionalProperties": true, "properties": { "budget": { "additionalProperties": true, "type": "object" }, "cabin": { "description": "economy, Comfort Plus, premium economy, business, first, or natural-language alias.", "type": "string" }, "constraints": { "items": { "type": "string" }, "type": "array" }, "depart_date": { "format": "date", "type": "string" }, "destination": { "description": "Destination city, airport, or region.", "type": "string" }, "family_seating": { "additionalProperties": true, "type": "object" }, "hotel_preferences": { "additionalProperties": true, "type": "object" }, "notes": { "maxLength": 1000, "type": "string" }, "origin": { "description": "Origin city, airport, or region.", "type": "string" }, "return_date": { "format": "date", "type": "string" }, "seat_preferences": { "items": { "type": "string" }, "type": "array" }, "travelers": { "additionalProperties": true, "type": "object" }, "trip_purpose": { "default": "leisure", "enum": [ "leisure", "business", "family", "mixed" ], "type": "string" } }, "required": [ "origin", "destination", "depart_date" ], "type": "object" }, "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "method": "POST", "name": "LBA Travel Brief", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "outputExample": { "bookingPerformed": false, "claimBoundary": "Planning only; no live fares, inventory, quotes, booking, reservations, or seat guarantees.", "displayName": "LBA Travel Brief", "fareOrAvailabilityChecked": false, "liveTravelData": false, "mode": "planning_only_no_live_inventory", "product": "lba_travel_brief", "seatAssignmentGuaranteed": false, "travelProviderPaymentPerformed": false }, "outputSchema": { "properties": { "bookingPerformed": { "type": "boolean" }, "claimBoundary": { "type": "string" }, "displayName": { "type": "string" }, "fareOrAvailabilityChecked": { "type": "boolean" }, "liveTravelData": { "type": "boolean" }, "mode": { "type": "string" }, "product": { "type": "string" }, "seatAssignmentGuaranteed": { "type": "boolean" }, "travelProviderPaymentPerformed": { "type": "boolean" }, "x402Payment": { "type": "object" } }, "type": "object" }, "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "service": { "category": "Agent Verification & Security", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "id": "x402-resource-scanner", "legacyName": "Boundary Guard x402", "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "name": "Agent Tool Readiness Checker by LarryBuildsAI", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "tags": [ "x402", "travel", "travel-planning", "hotel-planning", "concierge", "planning-only", "paid-api" ], "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "x-claim-boundary": "Planning only: no live fares, inventory, booking, reservations, seat guarantees, or seller-of-travel service.", "x-x402-price": { "amount": "0.50", "asset": "USDC" } } }, "/v1/x402/agent-tools/readiness": { "post": { "description": "Composes the existing public x402 resource scan with agent discovery checks (/llms.txt, /agents.txt, /.well-known/mcp.json, /mcp) and an optional unpaid paid-path health probe. Quick tier checks metadata and discovery; deep adds paid-path health when supplied; report adds a Markdown handoff report. No payment signatures are generated and no funds are spent by this checker.", "operationId": "checkAgentToolReadiness", "requestBody": { "content": { "application/json": { "schema": { "additionalProperties": false, "properties": { "expected": { "additionalProperties": true, "type": "object" }, "expected_resources": { "minimum": 0, "type": "integer" }, "marketplace_url": { "format": "uri", "type": "string" }, "method": { "default": "GET", "enum": [ "GET", "HEAD", "OPTIONS" ], "type": "string" }, "paid_path": { "format": "uri", "type": "string" }, "target": { "format": "uri", "type": "string" }, "tier": { "default": "quick", "enum": [ "quick", "deep", "report" ], "type": "string" } }, "required": [ "target" ], "type": "object" } } }, "required": true }, "responses": { "200": { "description": "Agent tool readiness report with score, checks, issues, fixes, and payment summary" }, "400": { "description": "Invalid request, malformed URL, credentialed URL, private/internal target, or unsafe method" }, "402": { "description": "x402 payment required" } }, "summary": "Check agent-tool readiness for x402 listing and buyer routing", "tags": [ "x402" ], "x-bazaar": { "bodyType": "json", "category": "Agent Verification & Security", "description": "LarryBuildsAI readiness checks for x402 and MCP paid-tool launches: public metadata, unpaid 402 probes, agent-discovery checks, launch-pack guidance, and claim boundaries before marketplace listing.", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "inputExample": { "target": "https://x402-resource-scanner.vercel.app", "tier": "quick" }, "inputSchema": { "additionalProperties": false, "properties": { "expected": { "additionalProperties": true, "type": "object" }, "expected_resources": { "minimum": 0, "type": "integer" }, "marketplace_url": { "format": "uri", "type": "string" }, "paid_path": { "format": "uri", "type": "string" }, "target": { "description": "Public x402/API/MCP service URL to inspect.", "format": "uri", "type": "string" }, "tier": { "default": "quick", "enum": [ "quick", "deep", "report" ], "type": "string" } }, "required": [ "target" ], "type": "object" }, "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "method": "POST", "name": "Agent Tool Readiness Checker by LarryBuildsAI", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "outputExample": { "claimBoundaries": [ "Observed public metadata only; no security certification or marketplace endorsement is implied." ], "issues": [], "ready": true, "recommendedFixes": [], "score": 96 }, "outputSchema": { "properties": { "checks": { "type": "object" }, "claimBoundaries": { "items": { "type": "string" }, "type": "array" }, "issues": { "items": { "type": "string" }, "type": "array" }, "ready": { "type": "boolean" }, "recommendedFixes": { "items": { "type": "string" }, "type": "array" }, "score": { "maximum": 100, "minimum": 0, "type": "integer" }, "x402Payment": { "type": "object" } }, "type": "object" }, "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "service": { "category": "Agent Verification & Security", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "id": "x402-resource-scanner", "legacyName": "Boundary Guard x402", "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "name": "Agent Tool Readiness Checker by LarryBuildsAI", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "tags": [ "x402", "MCP", "agent-tools", "paid-api", "seller-readiness", "marketplace-readiness", "launch-pack" ], "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "x-x402-price": { "amount": "1.00", "asset": "USDC" }, "x-x402-pricing-tiers": { "deep": { "amount": "5.00", "asset": "USDC" }, "quick": { "amount": "1.00", "asset": "USDC" }, "report": { "amount": "10.00", "asset": "USDC" } } } }, "/v1/x402/health/probe": { "post": { "description": "Sends a conservative unpaid public request, parses PAYMENT-REQUIRED/accepts metadata, compares expected network/asset/price, and returns a deterministic health receipt. v1 does not sign payments or spend funds.", "operationId": "probeX402PaidPathHealth", "requestBody": { "content": { "application/json": { "schema": { "additionalProperties": false, "properties": { "expected": { "additionalProperties": true, "properties": { "asset": { "type": "string" }, "network": { "type": "string" }, "priceUsd": { "type": "string" } }, "type": "object" }, "method": { "default": "GET", "enum": [ "GET", "HEAD", "OPTIONS" ], "type": "string" }, "mode": { "default": "unpaid_402", "enum": [ "unpaid_402", "metadata_only" ], "type": "string" }, "target": { "format": "uri", "type": "string" } }, "required": [ "target" ], "type": "object" } } }, "required": true }, "responses": { "200": { "description": "Paid-path health report with receipt and payment summary" }, "400": { "description": "Invalid request, malformed target URL, private/internal target, or unsafe method" }, "402": { "description": "x402 payment required" } }, "summary": "Probe an x402 paid endpoint's unpaid 402 health", "tags": [ "x402" ], "x-x402-price": { "amount": "0.50", "asset": "USDC" } } }, "/v1/x402/launch-pack": { "post": { "description": "Generates listing copy, buyer FAQ, launch checklist, distribution approval notes, and claim boundaries from readiness evidence. Does not post, submit, contact prospects, sign payments, or spend funds.", "operationId": "generateX402LaunchPack", "requestBody": { "content": { "application/json": { "schema": { "additionalProperties": false, "properties": { "audience": { "type": "string" }, "desired_marketplaces": { "items": { "type": "string" }, "type": "array" }, "expected": { "additionalProperties": true, "type": "object" }, "expected_resources": { "minimum": 0, "type": "integer" }, "marketplace_url": { "format": "uri", "type": "string" }, "method": { "default": "GET", "enum": [ "GET", "HEAD", "OPTIONS" ], "type": "string" }, "paid_path": { "format": "uri", "type": "string" }, "primary_use_case": { "type": "string" }, "product_name": { "type": "string" }, "target": { "format": "uri", "type": "string" }, "tier": { "default": "single", "enum": [ "single", "service", "premium" ], "type": "string" } }, "required": [ "target" ], "type": "object" } } }, "required": true }, "responses": { "200": { "description": "x402 launch pack with listing copy, FAQ, checklist, approval packet, report, and payment summary" }, "400": { "description": "Invalid request, malformed URL, credentialed URL, private/internal target, or unsafe method" }, "402": { "description": "x402 payment required" } }, "summary": "Generate marketplace-safe x402 launch artifacts", "tags": [ "x402" ], "x-bazaar": { "bodyType": "json", "category": "Agent Verification & Security", "description": "Generates marketplace-safe x402 launch artifacts from readiness evidence: listing copy, buyer FAQ, checklist, approval packet, and claim boundaries.", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "inputExample": { "target": "https://x402-resource-scanner.vercel.app", "tier": "single" }, "inputSchema": { "additionalProperties": false, "properties": { "audience": { "type": "string" }, "desired_marketplaces": { "items": { "type": "string" }, "type": "array" }, "marketplace_url": { "format": "uri", "type": "string" }, "primary_use_case": { "type": "string" }, "product_name": { "type": "string" }, "target": { "description": "Public x402/API/MCP service URL to package for launch.", "format": "uri", "type": "string" }, "tier": { "default": "single", "enum": [ "single", "service", "premium" ], "type": "string" } }, "required": [ "target" ], "type": "object" }, "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "method": "POST", "name": "x402 Launch Pack Generator", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "outputExample": { "approvalPacket": { "status": "draft" }, "buyerFaq": [], "claimBoundaries": [ "Generated pack does not post, submit listings, spend funds, or imply official endorsement." ], "launchChecklist": [], "listingCopy": { "oneLiner": "Agent Tool Readiness Checker by LarryBuildsAI: x402 readiness and launch-pack artifacts for paid API/MCP builders." } }, "outputSchema": { "properties": { "approvalPacket": { "type": "object" }, "buyerFaq": { "type": "array" }, "claimBoundaries": { "items": { "type": "string" }, "type": "array" }, "launchChecklist": { "type": "array" }, "listingCopy": { "type": "object" }, "x402Payment": { "type": "object" } }, "type": "object" }, "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "service": { "category": "Agent Verification & Security", "discoverable": true, "docsUrl": "https://x402-resource-scanner.vercel.app/llms.txt", "homepageUrl": "https://x402-resource-scanner.vercel.app", "id": "x402-resource-scanner", "legacyName": "Boundary Guard x402", "mcpUrl": "https://x402-resource-scanner.vercel.app/mcp", "name": "Agent Tool Readiness Checker by LarryBuildsAI", "openapiUrl": "https://x402-resource-scanner.vercel.app/openapi.json", "provider": "LarryBuildsAI", "providerName": "LarryBuildsAI", "providerUrl": "https://x402-resource-scanner.vercel.app", "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "tags": [ "x402", "MCP", "agent-tools", "paid-api", "seller-readiness", "marketplace-readiness", "launch-pack" ], "x402WellKnownUrl": "https://x402-resource-scanner.vercel.app/.well-known/x402" }, "x-x402-price": { "amount": "9.00", "asset": "USDC" }, "x-x402-pricing-tiers": { "premium": { "amount": "49.00", "asset": "USDC" }, "service": { "amount": "29.00", "asset": "USDC" }, "single": { "amount": "9.00", "asset": "USDC" } } } }, "/v1/x402/scan": { "get": { "description": "Checks public /.well-known/x402 and /openapi.json metadata, price surfaces, and optional marketplace listing staleness. Private/internal targets are rejected by default.", "operationId": "scanX402Resource", "parameters": [ { "in": "query", "name": "url", "required": true, "schema": { "format": "uri", "type": "string" } }, { "in": "query", "name": "marketplace_url", "required": false, "schema": { "format": "uri", "type": "string" } }, { "in": "query", "name": "expected_resources", "required": false, "schema": { "minimum": 0, "type": "integer" } } ], "responses": { "200": { "description": "Normalized scan report with score, issues, next steps, and payment summary" }, "400": { "description": "Invalid request, malformed target URL, or private/internal target refused" }, "402": { "description": "x402 payment required" } }, "summary": "Scan x402 metadata surfaces for a target URL", "tags": [ "x402" ], "x-x402-price": { "amount": "0.25", "asset": "USDC" } } } }, "servers": [ { "description": "Production", "url": "https://x402-resource-scanner.vercel.app" } ], "tags": [ { "description": "x402-gated buyer-facing REST endpoints", "name": "x402" }, { "description": "Streamable HTTP MCP server metadata and JSON-RPC", "name": "MCP" }, { "description": "Agent/search discovery files", "name": "Discovery" } ] }