{
  "tool": {
    "slug": "marketplace-offer-fit-score",
    "title": "Marketplace Offer Fit Score",
    "category": "Agentic Commerce",
    "description": "Score whether an API/tool offer is likely to sell in a machine-buyer marketplace based on urgency, repeatability, uniqueness, and proof.",
    "buyerIntent": "Use before listing a new endpoint in an x402, MCP, or API marketplace.",
    "tokenValue": "Rejects weak offers early and suggests stronger paid result shapes.",
    "method": "POST",
    "rawBlueprintSlug": "what-website-developers-should-build-after-agentic-search",
    "priceUSDC": 0.008,
    "latencyTargetMs": 280,
    "status": "live-preview",
    "tags": [
      "marketplace",
      "offer",
      "x402",
      "demand"
    ],
    "requestSchema": {
      "type": "object",
      "required": [
        "subject"
      ],
      "properties": {
        "subject": {
          "type": "string",
          "description": "Company, page, API, document, product, dataset, or decision being scored."
        },
        "context": {
          "type": "string",
          "description": "Compact notes, extracted text, rows summary, page copy, or structured brief."
        },
        "url": {
          "type": "string"
        },
        "data": {
          "type": "object",
          "description": "Optional structured facts, metrics, rows, or extracted fields."
        },
        "signals": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "goal": {
          "type": "string",
          "description": "Decision the buying agent wants to make."
        },
        "constraints": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "timeframe": {
          "type": "string"
        },
        "market": {
          "type": "string"
        },
        "currency": {
          "type": "string"
        }
      }
    },
    "responseSchema": {
      "type": "object",
      "properties": {
        "tool": {
          "type": "string"
        },
        "subject": {
          "type": "string"
        },
        "score": {
          "type": "integer"
        },
        "grade": {
          "type": "string"
        },
        "confidence": {
          "type": "string"
        },
        "findings": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "priorityActions": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "missingInputs": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "machineActions": {
          "type": "array",
          "items": {
            "type": "object"
          }
        },
        "evidenceRequests": {
          "type": "array",
          "items": {
            "type": "string"
          }
        },
        "monetizationAngle": {
          "type": "string"
        }
      }
    },
    "sampleRequest": {
      "subject": "Paid raw context compressor",
      "context": "The tool saves tokens, is deterministic, and can be used by any coding agent.",
      "goal": "Estimate whether agents would buy it."
    },
    "sampleResponse": {
      "tool": "marketplace-offer-fit-score",
      "subject": "Paid raw context compressor",
      "score": 78,
      "grade": "B",
      "confidence": "medium",
      "findings": [
        {
          "id": "input-coverage",
          "status": "warn",
          "severity": "medium",
          "message": "Marketplace Offer Fit Score has enough context for first-pass triage, but live evidence would improve confidence."
        }
      ],
      "priorityActions": [
        "Add source URLs or structured data for higher-confidence scoring.",
        "Expose the result as JSON so downstream agents can act without parsing prose."
      ],
      "missingInputs": [
        "sourceUrls",
        "freshMetrics"
      ],
      "machineActions": [
        {
          "action": "collect_evidence",
          "target": "sourceUrls",
          "priority": "high"
        }
      ],
      "evidenceRequests": [
        "Provide compact facts, source URLs, and any hard numeric metrics."
      ],
      "monetizationAngle": "A small paid triage result can save one or more model calls when the buyer only needs a ranked decision."
    },
    "endpoint": "/api/v1/agent-tools/marketplace-offer-fit-score/",
    "absoluteEndpoint": "https://elpa.space/api/v1/agent-tools/marketplace-offer-fit-score/",
    "pageUrl": "https://elpa.space/agent-tools/#marketplace-offer-fit-score",
    "rawBlueprintUrl": "https://elpa.space/raw/what-website-developers-should-build-after-agentic-search",
    "priceLabel": "0.008 USDC"
  },
  "payment": {
    "protocol": "x402",
    "implementation": "x402 v2 exact EVM facilitator with legacy Base USDC transaction-hash fallback",
    "network": "Base",
    "networkCaip2": "eip155:8453",
    "currency": "USDC",
    "tokenContract": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
    "recipientAddress": "0xd9d6ae1d5a2128fea511460fac8e4dea58baf153",
    "paymentHeaders": [
      "PAYMENT-SIGNATURE",
      "X-PAYMENT",
      "x402-tx-hash (legacy)"
    ],
    "challengeHeader": "PAYMENT-REQUIRED",
    "responseHeader": "PAYMENT-RESPONSE",
    "facilitatorEnv": [
      "X402_FACILITATOR_URL",
      "X402_FACILITATOR_AUTHORIZATION"
    ],
    "maxTimeoutSeconds": 120,
    "priceUSDC": 0.008,
    "x402": {
      "x402Version": 2,
      "resource": {
        "url": "https://elpa.space/api/v1/agent-tools/marketplace-offer-fit-score/",
        "description": "Score whether an API/tool offer is likely to sell in a machine-buyer marketplace based on urgency, repeatability, uniqueness, and proof.",
        "mimeType": "application/json",
        "serviceName": "ELPA Agent Tools",
        "tags": [
          "marketplace",
          "offer",
          "x402",
          "demand"
        ],
        "iconUrl": "https://elpa.space/logo.svg"
      },
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "amount": "8000",
          "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
          "payTo": "0xd9d6ae1d5a2128fea511460fac8e4dea58baf153",
          "maxTimeoutSeconds": 120,
          "extra": {
            "name": "USDC",
            "version": "2",
            "decimals": 6
          }
        }
      ],
      "paymentRequired": {
        "x402Version": 2,
        "error": "PAYMENT-SIGNATURE header is required",
        "resource": {
          "url": "https://elpa.space/api/v1/agent-tools/marketplace-offer-fit-score/",
          "description": "Score whether an API/tool offer is likely to sell in a machine-buyer marketplace based on urgency, repeatability, uniqueness, and proof.",
          "mimeType": "application/json",
          "serviceName": "ELPA Agent Tools",
          "tags": [
            "marketplace",
            "offer",
            "x402",
            "demand"
          ],
          "iconUrl": "https://elpa.space/logo.svg"
        },
        "accepts": [
          {
            "scheme": "exact",
            "network": "eip155:8453",
            "amount": "8000",
            "asset": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913",
            "payTo": "0xd9d6ae1d5a2128fea511460fac8e4dea58baf153",
            "maxTimeoutSeconds": 120,
            "extra": {
              "name": "USDC",
              "version": "2",
              "decimals": 6
            }
          }
        ],
        "extensions": {
          "bazaar": {
            "info": {
              "discoverable": true,
              "category": "Agentic Commerce",
              "tags": [
                "marketplace",
                "offer",
                "x402",
                "demand"
              ],
              "input": {
                "subject": "Paid raw context compressor",
                "context": "The tool saves tokens, is deterministic, and can be used by any coding agent.",
                "goal": "Estimate whether agents would buy it."
              },
              "output": {
                "tool": "marketplace-offer-fit-score",
                "subject": "Paid raw context compressor",
                "score": 78,
                "grade": "B",
                "confidence": "medium",
                "findings": [
                  {
                    "id": "input-coverage",
                    "status": "warn",
                    "severity": "medium",
                    "message": "Marketplace Offer Fit Score has enough context for first-pass triage, but live evidence would improve confidence."
                  }
                ],
                "priorityActions": [
                  "Add source URLs or structured data for higher-confidence scoring.",
                  "Expose the result as JSON so downstream agents can act without parsing prose."
                ],
                "missingInputs": [
                  "sourceUrls",
                  "freshMetrics"
                ],
                "machineActions": [
                  {
                    "action": "collect_evidence",
                    "target": "sourceUrls",
                    "priority": "high"
                  }
                ],
                "evidenceRequests": [
                  "Provide compact facts, source URLs, and any hard numeric metrics."
                ],
                "monetizationAngle": "A small paid triage result can save one or more model calls when the buyer only needs a ranked decision."
              }
            },
            "schema": {
              "type": "object",
              "properties": {
                "discoverable": {
                  "type": "boolean"
                },
                "category": {
                  "type": "string"
                },
                "tags": {
                  "type": "array",
                  "items": {
                    "type": "string"
                  }
                },
                "input": {
                  "type": "object",
                  "required": [
                    "subject"
                  ],
                  "properties": {
                    "subject": {
                      "type": "string",
                      "description": "Company, page, API, document, product, dataset, or decision being scored."
                    },
                    "context": {
                      "type": "string",
                      "description": "Compact notes, extracted text, rows summary, page copy, or structured brief."
                    },
                    "url": {
                      "type": "string"
                    },
                    "data": {
                      "type": "object",
                      "description": "Optional structured facts, metrics, rows, or extracted fields."
                    },
                    "signals": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "goal": {
                      "type": "string",
                      "description": "Decision the buying agent wants to make."
                    },
                    "constraints": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "timeframe": {
                      "type": "string"
                    },
                    "market": {
                      "type": "string"
                    },
                    "currency": {
                      "type": "string"
                    }
                  }
                },
                "output": {
                  "type": "object",
                  "properties": {
                    "tool": {
                      "type": "string"
                    },
                    "subject": {
                      "type": "string"
                    },
                    "score": {
                      "type": "integer"
                    },
                    "grade": {
                      "type": "string"
                    },
                    "confidence": {
                      "type": "string"
                    },
                    "findings": {
                      "type": "array",
                      "items": {
                        "type": "object"
                      }
                    },
                    "priorityActions": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "missingInputs": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "machineActions": {
                      "type": "array",
                      "items": {
                        "type": "object"
                      }
                    },
                    "evidenceRequests": {
                      "type": "array",
                      "items": {
                        "type": "string"
                      }
                    },
                    "monetizationAngle": {
                      "type": "string"
                    }
                  }
                }
              }
            }
          }
        }
      },
      "paymentRequiredBase64": "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",
      "facilitator": {
        "url": "https://api.cdp.coinbase.com/platform/v2/x402",
        "verify": "/verify",
        "settle": "/settle"
      },
      "legacy": {
        "enabled": true,
        "header": "x402-tx-hash",
        "note": "Legacy Base USDC transaction-hash receipts remain accepted for manual testing, but PAYMENT-SIGNATURE is the primary x402 path."
      }
    }
  }
}