{
  "id": "sse-stream-parse",
  "name": "SSE Snapshot Event Parser",
  "description": "Parse a completed, already-decoded server-sent-event text snapshot into dispatched events, committed last-event ID, exact decimal retry milliseconds and ignored-field count. Handles CR/LF/CRLF, one leading BOM, blank dispatch and incomplete EOF discard. No live connection, resumption or provider-specific event semantics.",
  "category": "protocol-assurance",
  "priceUsd": "0.005",
  "pricingStatus": "proposed-unverified",
  "pricing": {
    "unit": "one successful operation call",
    "proposedNominalUsd": "0.005",
    "sixDecimalTokenBaseUnits": "5000",
    "subscription": false,
    "includesPayerWalletOrNetworkFees": false,
    "liveQuoteVerified": false,
    "condition": "Actual SDK challenge is authoritative only within the caller's explicit authorization; configured six-decimal token peg is an operator assertion, not a conversion guarantee."
  },
  "intents": [
    "Parse saved SSE event stream and inspect last event ID",
    "Diagnose missing events caused by incomplete final blank line"
  ],
  "whenToUse": [
    "Parse saved SSE event stream and inspect last event ID",
    "Diagnose missing events caused by incomplete final blank line"
  ],
  "whenNotToUse": [
    "Opening an SSE stream, joining arbitrary incremental chunks or retrying connections",
    "Raw-byte UTF-8 decoding, provider completion markers or JSON-RPC protocol validation"
  ],
  "capabilities": [
    "Committed ID is distinct from an EOF-only pending ID buffer",
    "Retry decimal string avoids unsafe integer rounding",
    "Source: https://html.spec.whatwg.org/multipage/server-sent-events.html#parsing-an-event-stream"
  ],
  "limits": {
    "inputBytes": 100000,
    "outputBytes": 400000,
    "jsonNodes": 12000,
    "depth": 20,
    "findings": 150,
    "findingJsonBytes": 300000,
    "lines": 5000,
    "events": 500,
    "eventJsonBytes": 300000
  },
  "related": [
    "jsonrpc-exchange-check",
    "ndjson-inspect",
    "retry-schedule-plan"
  ],
  "errorCodes": [
    "INPUT_LIMIT",
    "OUTPUT_LIMIT",
    "COMPLEXITY_LIMIT",
    "INVALID_NUMBER",
    "INVALID_UNICODE",
    "UNSAFE_KEY",
    "INVALID_TEMPLATE",
    "UNSUPPORTED_TEMPLATE",
    "INVALID_HEADER",
    "INVALID_ETAG",
    "INVALID_REPRESENTATION",
    "OPERATION_NOT_FOUND",
    "LINE_LIMIT",
    "EVENT_LIMIT",
    "LINK_LIMIT"
  ],
  "requirementsProfile": {
    "format": "declared-requirements-v1",
    "facts": {
      "execution.suppliedCode": false,
      "execution.remoteMutation": false,
      "execution.llmInference": false,
      "execution.paidMcp": false,
      "verification.semanticTruth": false,
      "verification.sourceAuthenticity": false,
      "verification.liveVulnerabilities": false,
      "numbers.arbitraryPrecisionJson": false,
      "numbers.model": "ieee754-binary64",
      "privacy.requestBodyPersisted": false,
      "execution.deterministic": true,
      "execution.networkAccess": false,
      "privacy.resultBodyPersisted": false,
      "payment.x402": true,
      "payment.mpp": true,
      "operation.id": "sse-stream-parse",
      "operation.category": "protocol-assurance",
      "limit.httpRequestBytes": 131072,
      "limit.requestBytes": 100000,
      "limit.responseBytes": 524288,
      "limit.resultBytes": 400000,
      "limit.jsonDepth": 20,
      "limit.jsonNodes": 12000,
      "standards.fullConformance": false,
      "sse.inputProfile": "completed-text-snapshot",
      "sse.incrementalBytes": false,
      "input.text.maxLength": 90000,
      "input.initialLastEventId.maxLength": 4096
    },
    "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.",
    "preflight": "/preflight"
  },
  "documentation": "/reference/tools/sse-stream-parse.md",
  "serviceContract": "/reference/services/sse-stream-parse.json",
  "errors": [
    {
      "status": 400,
      "meaning": "Malformed JSON, missing/invalid idempotency key, or payment identifier mismatch",
      "retry": "Correct the request before payment"
    },
    {
      "status": 402,
      "meaning": "Payment challenge or rejected payment",
      "retry": "Use official protocol SDK; inspect payment outcome before another payment"
    },
    {
      "status": 409,
      "meaning": "Idempotency conflict, duplicate proof, or PAYMENT_UNCERTAIN",
      "retry": "Keep original key, body, and proof; reconcile uncertainty with operator; never blindly repay"
    },
    {
      "status": 413,
      "meaning": "Input or generated output too large",
      "retry": "Reduce input; no payment attempted for validation failure"
    },
    {
      "status": 415,
      "meaning": "Unsupported media type or compression",
      "retry": "Send uncompressed application/json"
    },
    {
      "status": 422,
      "meaning": "Schema or service-specific semantic validation failure",
      "retry": "Correct input using returned error code; no payment attempted"
    },
    {
      "status": 429,
      "meaning": "Request/payment-attempt rate exceeded",
      "retry": "Wait for rate limit window; preserve existing payment identity"
    },
    {
      "status": 503,
      "meaning": "Payment configuration/provider/state unavailable, or live DNS preparation failed before settlement",
      "retry": "Check readiness; DNS preparation failures may retry the identical key/body/credential only; uncertainty requires reconciliation"
    }
  ],
  "numericPrecision": "JavaScript IEEE-754 numbers; use strings for large integer IDs/exact decimals where the schema accepts strings. No lossless numeric parsing.",
  "paymentWorkflow": {
    "discoveryOnly": false,
    "supportedProtocols": [
      "x402",
      "mpp"
    ],
    "x402": {
      "credentialHeader": "PAYMENT-SIGNATURE",
      "challengeHeader": "PAYMENT-REQUIRED",
      "receiptHeader": "PAYMENT-RESPONSE",
      "version": 2,
      "scheme": "exact",
      "paymentIdentifier": "payment-identifier extension MUST equal the HTTP Idempotency-Key",
      "sdk": "@x402/core with @x402/evm"
    },
    "mpp": {
      "supported": true,
      "credentialHeader": "Authorization",
      "challengeHeader": "WWW-Authenticate",
      "receiptHeader": "Payment-Receipt",
      "method": "tempo",
      "intent": "charge",
      "sdk": "mppx",
      "tokenDecimals": 6
    },
    "steps": [
      "Check configured readiness and the exact service schema",
      "Generate a fresh random Idempotency-Key for this operation; never use a discovery probe fixture for purchases",
      "Send valid input without a credential to obtain the official protocol challenge",
      "Use the official SDK and authorized wallet to fulfill the challenge",
      "Retry only with identical key, body, protocol and credential",
      "On PAYMENT_UNCERTAIN stop and request operator reconciliation; never blindly pay again"
    ],
    "versionedRetries": "Request fingerprint includes service release version. Retries across a version upgrade can conflict; coordinate upgrades outside the 24-hour replay window and reconcile pending attempts.",
    "docs": "/llms.txt"
  },
  "method": "POST",
  "paths": {
    "x402": "/v1/x402/sse-stream-parse",
    "mpp": "/v1/mpp/sse-stream-parse"
  },
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "text": {
        "type": "string",
        "maxLength": 90000
      },
      "initialLastEventId": {
        "default": "",
        "type": "string",
        "maxLength": 4096
      }
    },
    "required": [
      "text"
    ],
    "additionalProperties": false
  },
  "outputSchema": {
    "type": "object",
    "required": [
      "operation",
      "version",
      "result",
      "provenance"
    ],
    "properties": {
      "operation": {
        "const": "sse-stream-parse",
        "type": "string"
      },
      "version": {
        "const": "0.29.0",
        "type": "string"
      },
      "result": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "profile": {
            "type": "string",
            "const": "sse-completed-text-snapshot-v1"
          },
          "events": {
            "maxItems": 500,
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "event": {
                  "type": "string"
                },
                "data": {
                  "type": "string"
                },
                "lastEventId": {
                  "type": "string"
                },
                "dispatchLine": {
                  "type": "integer",
                  "minimum": 0,
                  "maximum": 9007199254740991
                }
              },
              "required": [
                "event",
                "data",
                "lastEventId",
                "dispatchLine"
              ],
              "additionalProperties": false
            }
          },
          "lastEventId": {
            "type": "string"
          },
          "retryMilliseconds": {
            "type": [
              "string",
              "null"
            ]
          },
          "ignoredFields": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          },
          "discardedPendingData": {
            "type": "boolean"
          },
          "processedLines": {
            "type": "integer",
            "minimum": 0,
            "maximum": 9007199254740991
          }
        },
        "required": [
          "profile",
          "events",
          "lastEventId",
          "retryMilliseconds",
          "ignoredFields",
          "discardedPendingData",
          "processedLines"
        ],
        "additionalProperties": false
      },
      "provenance": {
        "type": "object",
        "required": [
          "inputSha256",
          "outputSha256",
          "deterministic",
          "externalRequests"
        ],
        "properties": {
          "inputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "outputSha256": {
            "type": "string",
            "pattern": "^[a-f0-9]{64}$"
          },
          "deterministic": {
            "const": true
          },
          "externalRequests": {
            "const": 0
          }
        }
      }
    },
    "additionalProperties": false
  },
  "exampleInput": {
    "text": "id: 42\nevent: message\ndata: {\"delta\":\"hello\"}\n\nretry: 1500\n\ndata: unfinished"
  },
  "exampleResponse": {
    "operation": "sse-stream-parse",
    "version": "0.29.0",
    "result": {
      "profile": "sse-completed-text-snapshot-v1",
      "events": [
        {
          "event": "message",
          "data": "{\"delta\":\"hello\"}",
          "lastEventId": "42",
          "dispatchLine": 4
        }
      ],
      "lastEventId": "42",
      "retryMilliseconds": "1500",
      "ignoredFields": 0,
      "discardedPendingData": true,
      "processedLines": 7
    },
    "provenance": {
      "inputSha256": "58b368c800a1a315f171c3001987b017f2af3ded5cf8e3247f821a75460e3edb",
      "outputSha256": "06104a669752ff07a7d9b7d29e3d2b3a46d918fa3e5d2075bafcfb7ef0d5550a",
      "deterministic": true,
      "externalRequests": 0
    }
  },
  "requiredHeaders": {
    "Content-Type": "application/json",
    "Idempotency-Key": "random 16–128 character operation identifier"
  },
  "fixedExample": "/reference/examples/sse-stream-parse.json",
  "execution": {
    "deterministic": true,
    "externalRequests": 0,
    "maxExternalRequests": 0,
    "resultSnapshotPersisted": false,
    "fixedExampleIsIllustrativeSnapshot": false,
    "requiresPayment": true,
    "supportsMcpExecution": false
  },
  "releaseSnapshot": {
    "format": "static-release-reference-v1",
    "sourceVersion": "0.29.0",
    "sourceRegistrySha256": "a2b5ec09bf6c38b9d2879d746a4fded374f5928b445377b0270ef6aa8e6cac65",
    "generatedAt": "2026-10-06T15:38:00Z",
    "releaseAcceptance": "not-verified-by-generator",
    "runtimeReadiness": "not-evaluated",
    "livePaymentsVerified": false,
    "indexingVerified": false,
    "apiOrigin": null,
    "notice": "Build-time release reference. Runtime readiness, deployment, payment settlement and external indexing are not evaluated here. Prices are proposed; this file cannot authorize execution or payment."
  }
}