{
  "id": "workflow-automata-compose",
  "name": "Synchronous workflow language compiler",
  "description": "Compile two to four supplied deterministic finite event constraints into a minimized synchronous intersection machine, exact member classes and a shortest accepted trace. Missing transitions reject; no asynchronous interleaving, runtime execution, liveness, deadlock or authorization guarantee.",
  "category": "structured",
  "priceUsd": "0.01",
  "pricingStatus": "proposed-unverified",
  "pricing": {
    "unit": "one successful operation call",
    "proposedNominalUsd": "0.01",
    "sixDecimalTokenBaseUnits": "10000",
    "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": [
    "Combine finite workflow constraints into one reusable deterministic machine",
    "Find the shortest event trace satisfying all supplied finite event policies"
  ],
  "whenToUse": [
    "Every component intentionally consumes every event from the same explicit common alphabet"
  ],
  "whenNotToUse": [
    "Asynchronous components, implicit unrelated-event self-loops, epsilon edges, guards, actions, counters or real-time predicates",
    "Policy appropriateness, safe concurrency, liveness, real-world deadlocks or permission to execute actions",
    "Executing code, writing files, environment changes, network requests, publishing or deployment"
  ],
  "capabilities": [
    "Reachable synchronous product, common rejecting sink and exact partition minimization",
    "Canonical breadth-first state IDs and lexicographically tied shortest accepted traces",
    "States without accepting continuations and explicit product-class membership",
    "Complete bounded computation before payment challenge and execution; externalRequests=0"
  ],
  "limits": {
    "inputBytes": 100000,
    "outputBytes": 400000,
    "jsonNodes": 12000,
    "depth": 20,
    "machines": 4,
    "alphabet": 5,
    "statesPerMachine": 16,
    "inputStates": 64,
    "inputTransitions": 320,
    "reachableProductStates": 96,
    "productEdges": 480,
    "primitiveWork": 1000000
  },
  "related": [
    "workflow-transition-check",
    "workflow-dag-analyze"
  ],
  "errorCodes": [
    "INPUT_LIMIT",
    "OUTPUT_LIMIT",
    "COMPLEXITY_LIMIT",
    "INVALID_JSON",
    "INVALID_NUMBER",
    "INVALID_UNICODE",
    "UNSAFE_KEY",
    "DUPLICATE_EVENT",
    "DUPLICATE_MACHINE",
    "DUPLICATE_STATE",
    "UNKNOWN_STATE",
    "UNKNOWN_EVENT",
    "DUPLICATE_TRANSITION"
  ],
  "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": "workflow-automata-compose",
      "operation.category": "structured",
      "limit.httpRequestBytes": 131072,
      "limit.requestBytes": 100000,
      "limit.responseBytes": 524288,
      "limit.resultBytes": 400000,
      "limit.jsonDepth": 20,
      "limit.jsonNodes": 12000,
      "automata.profile": "finite-language-intersection-v1",
      "automata.maxAlphabetSize": 5,
      "automata.maxMachines": 4,
      "automata.maxStatesPerMachine": 16,
      "automata.maxTotalInputStates": 64,
      "automata.maxTotalInputTransitions": 320,
      "automata.maxReachableProductStates": 96,
      "automata.maxProductEdges": 480,
      "automata.maxPrimitiveComparisons": 1000000,
      "automata.sharedEventSemantics": "every-machine-consumes-every-event",
      "automata.missingTransition": "rejecting-sink",
      "automata.minimalDeterministicMachine": true,
      "automata.shortestAcceptedTrace": true,
      "automata.traceTieBreak": "lexicographic-sorted-event-ids",
      "automata.emptyWordDistinguishedFromNoWitness": true,
      "automata.nondeterminism": false,
      "automata.guardsOrActions": false,
      "automata.livenessProof": false,
      "automata.runtimeDeadlockDetection": false,
      "automata.authorizationGranted": false,
      "automata.safeExecutionGuaranteed": false,
      "input.alphabet.maxItems": 5,
      "input.alphabet.minItems": 1,
      "input.machines.maxItems": 4,
      "input.machines.minItems": 2
    },
    "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.",
    "preflight": "/preflight"
  },
  "documentation": "/reference/tools/workflow-automata-compose.md",
  "serviceContract": "/reference/services/workflow-automata-compose.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/workflow-automata-compose",
    "mpp": "/v1/mpp/workflow-automata-compose"
  },
  "inputSchema": {
    "$schema": "https://json-schema.org/draft/2020-12/schema",
    "type": "object",
    "properties": {
      "alphabet": {
        "minItems": 1,
        "maxItems": 5,
        "type": "array",
        "items": {
          "type": "string",
          "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
        }
      },
      "machines": {
        "minItems": 2,
        "maxItems": 4,
        "type": "array",
        "items": {
          "type": "object",
          "properties": {
            "id": {
              "type": "string",
              "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
            },
            "states": {
              "minItems": 1,
              "maxItems": 16,
              "type": "array",
              "items": {
                "type": "string",
                "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
              }
            },
            "initialState": {
              "type": "string",
              "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
            },
            "acceptingStates": {
              "maxItems": 16,
              "type": "array",
              "items": {
                "type": "string",
                "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
              }
            },
            "transitions": {
              "maxItems": 80,
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "from": {
                    "type": "string",
                    "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                  },
                  "event": {
                    "type": "string",
                    "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                  },
                  "to": {
                    "type": "string",
                    "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                  }
                },
                "required": [
                  "from",
                  "event",
                  "to"
                ],
                "additionalProperties": false
              }
            }
          },
          "required": [
            "id",
            "states",
            "initialState",
            "acceptingStates",
            "transitions"
          ],
          "additionalProperties": false
        }
      }
    },
    "required": [
      "alphabet",
      "machines"
    ],
    "additionalProperties": false
  },
  "outputSchema": {
    "type": "object",
    "required": [
      "operation",
      "version",
      "result",
      "provenance"
    ],
    "properties": {
      "operation": {
        "const": "workflow-automata-compose",
        "type": "string"
      },
      "version": {
        "const": "0.29.0",
        "type": "string"
      },
      "result": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "type": "object",
        "properties": {
          "profile": {
            "type": "string",
            "const": "finite-language-intersection-v1"
          },
          "semantics": {
            "type": "string",
            "const": "synchronous-common-alphabet"
          },
          "alphabet": {
            "minItems": 1,
            "maxItems": 5,
            "type": "array",
            "items": {
              "type": "string",
              "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
            }
          },
          "machineOrder": {
            "minItems": 2,
            "maxItems": 4,
            "type": "array",
            "items": {
              "type": "string",
              "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
            }
          },
          "machine": {
            "type": "object",
            "properties": {
              "states": {
                "minItems": 1,
                "maxItems": 96,
                "type": "array",
                "items": {
                  "type": "string",
                  "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                }
              },
              "initialState": {
                "type": "string",
                "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
              },
              "acceptingStates": {
                "maxItems": 96,
                "type": "array",
                "items": {
                  "type": "string",
                  "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                }
              },
              "transitions": {
                "maxItems": 480,
                "type": "array",
                "items": {
                  "type": "object",
                  "properties": {
                    "from": {
                      "type": "string",
                      "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                    },
                    "event": {
                      "type": "string",
                      "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                    },
                    "to": {
                      "type": "string",
                      "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                    }
                  },
                  "required": [
                    "from",
                    "event",
                    "to"
                  ],
                  "additionalProperties": false
                }
              }
            },
            "required": [
              "states",
              "initialState",
              "acceptingStates",
              "transitions"
            ],
            "additionalProperties": false
          },
          "stateClasses": {
            "minItems": 1,
            "maxItems": 96,
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "state": {
                  "type": "string",
                  "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                },
                "memberTuples": {
                  "minItems": 1,
                  "maxItems": 96,
                  "type": "array",
                  "items": {
                    "anyOf": [
                      {
                        "minItems": 2,
                        "maxItems": 4,
                        "type": "array",
                        "items": {
                          "type": "string",
                          "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                        }
                      },
                      {
                        "type": "null"
                      }
                    ]
                  }
                }
              },
              "required": [
                "state",
                "memberTuples"
              ],
              "additionalProperties": false
            }
          },
          "shortestAcceptedTrace": {
            "anyOf": [
              {
                "maxItems": 95,
                "type": "array",
                "items": {
                  "type": "string",
                  "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
                }
              },
              {
                "type": "null"
              }
            ]
          },
          "noAcceptingContinuationStates": {
            "maxItems": 96,
            "type": "array",
            "items": {
              "type": "string",
              "pattern": "^[A-Za-z][A-Za-z0-9_-]{0,63}$"
            }
          },
          "reachableProductStates": {
            "type": "integer",
            "minimum": 1,
            "maximum": 96
          },
          "complete": {
            "type": "boolean",
            "const": true
          },
          "execution": {
            "type": "boolean",
            "const": false
          },
          "authorizationGranted": {
            "type": "boolean",
            "const": false
          },
          "externalRequests": {
            "type": "number",
            "const": 0
          }
        },
        "required": [
          "profile",
          "semantics",
          "alphabet",
          "machineOrder",
          "machine",
          "stateClasses",
          "shortestAcceptedTrace",
          "noAcceptingContinuationStates",
          "reachableProductStates",
          "complete",
          "execution",
          "authorizationGranted",
          "externalRequests"
        ],
        "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": {
    "alphabet": [
      "a",
      "b"
    ],
    "machines": [
      {
        "id": "ending",
        "states": [
          "n",
          "y"
        ],
        "initialState": "n",
        "acceptingStates": [
          "y"
        ],
        "transitions": [
          {
            "from": "n",
            "event": "a",
            "to": "y"
          },
          {
            "from": "n",
            "event": "b",
            "to": "n"
          },
          {
            "from": "y",
            "event": "a",
            "to": "y"
          },
          {
            "from": "y",
            "event": "b",
            "to": "n"
          }
        ]
      },
      {
        "id": "parity",
        "states": [
          "even",
          "odd"
        ],
        "initialState": "even",
        "acceptingStates": [
          "even"
        ],
        "transitions": [
          {
            "from": "even",
            "event": "a",
            "to": "even"
          },
          {
            "from": "even",
            "event": "b",
            "to": "odd"
          },
          {
            "from": "odd",
            "event": "a",
            "to": "odd"
          },
          {
            "from": "odd",
            "event": "b",
            "to": "even"
          }
        ]
      }
    ]
  },
  "exampleResponse": {
    "operation": "workflow-automata-compose",
    "version": "0.29.0",
    "result": {
      "profile": "finite-language-intersection-v1",
      "semantics": "synchronous-common-alphabet",
      "alphabet": [
        "a",
        "b"
      ],
      "machineOrder": [
        "ending",
        "parity"
      ],
      "machine": {
        "states": [
          "q0",
          "q1",
          "q2"
        ],
        "initialState": "q0",
        "acceptingStates": [
          "q1"
        ],
        "transitions": [
          {
            "from": "q0",
            "event": "a",
            "to": "q1"
          },
          {
            "from": "q0",
            "event": "b",
            "to": "q2"
          },
          {
            "from": "q1",
            "event": "a",
            "to": "q1"
          },
          {
            "from": "q1",
            "event": "b",
            "to": "q2"
          },
          {
            "from": "q2",
            "event": "a",
            "to": "q2"
          },
          {
            "from": "q2",
            "event": "b",
            "to": "q0"
          }
        ]
      },
      "stateClasses": [
        {
          "state": "q0",
          "memberTuples": [
            [
              "n",
              "even"
            ]
          ]
        },
        {
          "state": "q1",
          "memberTuples": [
            [
              "y",
              "even"
            ]
          ]
        },
        {
          "state": "q2",
          "memberTuples": [
            [
              "n",
              "odd"
            ],
            [
              "y",
              "odd"
            ]
          ]
        }
      ],
      "shortestAcceptedTrace": [
        "a"
      ],
      "noAcceptingContinuationStates": [],
      "reachableProductStates": 4,
      "complete": true,
      "execution": false,
      "authorizationGranted": false,
      "externalRequests": 0
    },
    "provenance": {
      "inputSha256": "67dafd2ccbbaa103d855310026fdbc6b8acc1b834468f130799030cf5ff348f2",
      "outputSha256": "aa31a1b70e2b92d8c5ac67347d585ec1e211579759ddc258df4a7ad7161cc5a7",
      "deterministic": true,
      "externalRequests": 0
    }
  },
  "requiredHeaders": {
    "Content-Type": "application/json",
    "Idempotency-Key": "random 16–128 character operation identifier"
  },
  "fixedExample": "/reference/examples/workflow-automata-compose.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."
  }
}
