{ "x402Version": 2, "id": 8203, "slug": "8203", "resource": "https://reduce.api.williamrobinson.dev/v1/reduce/minimize", "description": "Given a source bundle, entry file, command, and failure predicate (exit code and/or stdout/stderr patterns), runs a deterministic delta-debugging reducer in a network-isolated sandbox and returns the reduced bundle and entry that still reproduce the failure, plus a replay script and run log. 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"code": "command_allowed", "detail": "The command's interpreter is on the runner's allowlist.", "status": "passed" }, { "code": "reproduces_twice", "detail": "The original bundle reproduced the failure on both baseline runs.", "status": "passed" }, { "code": "reduced_reproduces_twice", "detail": "The reduced bundle reproduced the failure on both verification runs.", "status": "passed" }, { "code": "reduction_achieved", "detail": "Removed 46.3% of the entry's bytes.", "status": "passed" }, { "code": "within_budget", "detail": "The reducer converged within the run and time budget.", "status": "passed" } ], "command": [ "python3", "main.py" ], "entry": "main.py", "expiresAt": "2026-09-12T05:11:08.482Z", "limitations": [ "Reduction is heuristic delta-debugging, not a proof of minimality: the result is a local minimum under the fixed pass order listed in `passes`, never the provably smallest reproduction.", "Structure-aware chunk removal understands JSON, Python (indentation blocks), and JavaScript/TypeScript/C-like (statement splitting) syntax only; other languages get line- and token-level passes only.", "Identifier and semantic renaming are never attempted.", "The buyer's command runs once per candidate in a network-isolated, single-flight container; races, multi-process interactions, and environment-dependent flakiness beyond the two-run reproduction check cannot be captured.", "Compiled languages (C/C++/Rust build pipelines), multi-command builds, and parallel candidate execution are out of scope." ], "original": { "bytes": 1806, "entryBytes": 1067, "entryLines": 39, "files": 4, "run": { "durationMs": 44, "exitCode": 1, "failing": true, "signal": null, "stderrBytes": 395, "stdoutBytes": 0, "timedOut": false } }, "passes": [ { "name": "strip-comments", "removedBytes": 295, "removedFiles": 0, "runs": 1 }, { "name": "file-pruning", "removedBytes": 425, "removedFiles": 1, "runs": 3 }, { "name": "chunk-removal", "removedBytes": 48, "removedFiles": 0, "runs": 60 }, { "name": "line-ddmin", "removedBytes": 0, "removedFiles": 0, "runs": 76 }, { "name": "token-trimming", "removedBytes": 151, "removedFiles": 0, "runs": 255 }, { "name": "cleanup", "removedBytes": 0, "removedFiles": 0, "runs": 0 } ], "predicate": { "exitCode": 1, "stderrPattern": "ZeroDivisionError" }, "prunedFiles": [ "README.md" ], "reduced": { "bytes": 887, "entryBytes": 573, "entryLines": 19, "files": 3, "run": { "durationMs": 44, "exitCode": 1, "failing": true, "signal": null, "stderrBytes": 417, "stdoutBytes": 0, "timedOut": false } }, "reductionRatio": 0.4629803186504217, "runs": { "budgetExhausted": false, "failing": 35, "passing": 364, "timedOut": 0, "total": 399 }, "status": "passed", "tools": { "reducer": "reduce/1.0", "runner": "628ms" }, "truncated": false, "warnings": [] }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "$defs": { "predicate": { "additionalProperties": false, "anyOf": [ { "properties": { "exitCode": true }, "required": [ "exitCode" ] }, { "properties": { "stdoutPattern": true }, "required": [ "stdoutPattern" ] }, { "properties": { "stderrPattern": true }, "required": [ "stderrPattern" ] }, { "properties": { "timeoutIsFailure": true }, "required": [ "timeoutIsFailure" ] } ], "properties": { "exitCode": { "description": "Exact exit code, or \"nonzero\" to match any non-zero code including signals and timeouts.", "oneOf": [ { "maximum": 255, "minimum": 0, "type": "integer" }, { "const": "nonzero" } ] }, "stderrPattern": { "description": "ECMAScript regular expression (compiled with the \"u\" flag) tested against the captured, capped stderr.", "maxLength": 256, "minLength": 1, "type": "string" }, "stdoutPattern": { "description": "ECMAScript regular expression (compiled with the \"u\" flag) tested against the captured, capped stdout.", "maxLength": 256, "minLength": 1, "type": "string" }, "timeoutIsFailure": { "description": "Treat a run that exceeds timeoutMs as satisfying the predicate.", "type": "boolean" } }, "type": "object" } }, "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "bundle": { "contentEncoding": "base64", "description": "Base64 .zip of the bundle: source files and inputs (<= 2097152 bytes decoded), no symlinks, no absolute paths, no \"..\" entries.", "maxLength": 2796204, "type": "string" }, "command": { "description": "Command run from the bundle root; argv[0] must be one of node, python3, sh.", "items": { "maxLength": 512, "minLength": 1, "type": "string" }, "maxItems": 16, "minItems": 1, "type": "array" }, "entry": { "description": "Relative forward-slash path inside the bundle of the file to reduce textually (<= 524288 bytes, UTF-8 text).", "maxLength": 1024, "minLength": 1, "type": "string" }, "language": { "default": "auto", "description": "Language hint for structure-aware passes; \"auto\" sniffs from the entry's extension.", "enum": [ "auto", "text", "json", "javascript", "typescript", "python", "c-like" ], "type": "string" }, "maxRuns": { "default": 400, "description": "Upper bound on candidate executions.", "maximum": 600, "minimum": 1, "type": "integer" }, "predicate": { "$ref": "#/properties/input/properties/body/$defs/predicate" }, "pruneFiles": { "default": true, "description": "Whether files other than the entry may be deleted when the failure survives without them.", "type": "boolean" }, "timeoutMs": { "description": "Per-run wall-clock limit in milliseconds.", "maximum": 5000, "minimum": 100, "type": "integer" } }, "required": [ "bundle", "entry", "command", "predicate", "timeoutMs" ], "type": "object" }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "$defs": { "artifact": { "additionalProperties": false, "properties": { "href": { "format": "uri", "type": "string" }, "mediaType": { "type": "string" }, "name": { "enum": [ "reduced.zip", "entry.txt", "replay.sh", "runs.jsonl", "report.json" ], "type": "string" }, "sha256": { "pattern": "^[a-f0-9]{64}$", "type": "string" }, "sizeBytes": { "minimum": 0, "type": "integer" } }, "required": [ "name", "mediaType", "sizeBytes", "sha256", "href" ], "type": "object" }, "check": { "additionalProperties": false, "properties": { "code": { "type": "string" }, "detail": { "type": "string" }, "status": { "enum": [ "passed", "failed", "not_checked" ], "type": "string" } }, "required": [ "code", "status", "detail" ], "type": "object" }, "predicate": { "additionalProperties": false, "anyOf": [ { "properties": { "exitCode": true }, "required": [ "exitCode" ] }, { "properties": { "stdoutPattern": true }, "required": [ "stdoutPattern" ] }, { "properties": { "stderrPattern": true }, "required": [ "stderrPattern" ] }, { "properties": { "timeoutIsFailure": true }, "required": [ "timeoutIsFailure" ] } ], "properties": { "exitCode": { "description": "Exact exit code, or \"nonzero\" to match any non-zero code including signals and timeouts.", "oneOf": [ { "maximum": 255, "minimum": 0, "type": "integer" }, { "const": "nonzero" } ] }, "stderrPattern": { "description": "ECMAScript regular expression (compiled with the \"u\" flag) tested against the captured, capped stderr.", "maxLength": 256, "minLength": 1, "type": "string" }, "stdoutPattern": { "description": "ECMAScript regular expression (compiled with the \"u\" flag) tested against the captured, capped stdout.", "maxLength": 256, "minLength": 1, "type": "string" }, "timeoutIsFailure": { "description": "Treat a run that exceeds timeoutMs as satisfying the predicate.", "type": "boolean" } }, "type": "object" }, "runOutcome": { "additionalProperties": false, "properties": { "durationMs": { "minimum": 0, "type": "number" }, "exitCode": { "type": [ "integer", "null" ] }, "failing": { "type": "boolean" }, "signal": { "type": [ "string", "null" ] }, "stderrBytes": { "minimum": 0, "type": "integer" }, "stdoutBytes": { "minimum": 0, "type": "integer" }, "timedOut": { "type": "boolean" } }, "required": [ "exitCode", "signal", "timedOut", "durationMs", "stdoutBytes", "stderrBytes", "failing" ], "type": "object" }, "runSummary": { "additionalProperties": false, "properties": { "bytes": { "minimum": 0, "type": "integer" }, "entryBytes": { "minimum": 0, "type": "integer" }, "entryLines": { "minimum": 0, "type": "integer" }, "files": { "minimum": 0, "type": "integer" }, "run": { "$ref": "#/properties/output/properties/example/$defs/runOutcome" } }, "required": [ "files", "bytes", "entryBytes", "entryLines", "run" ], "type": "object" } }, "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "artifacts": { "items": { "$ref": "#/properties/output/properties/example/$defs/artifact" }, "maxItems": 5, "type": "array" }, "checks": { "items": { "$ref": "#/properties/output/properties/example/$defs/check" }, "type": "array" }, "command": { "items": { "type": "string" }, "type": "array" }, "entry": { "type": "string" }, "expiresAt": { "format": "date-time", "type": "string" }, "limitations": { "items": { "type": "string" }, "maxItems": 100, "type": "array" }, "original": { "$ref": "#/properties/output/properties/example/$defs/runSummary" }, "passes": { "items": { "additionalProperties": false, "properties": { "name": { "type": "string" }, "removedBytes": { "type": "integer" }, "removedFiles": { "minimum": 0, "type": "integer" }, "runs": { "minimum": 0, "type": "integer" } }, "required": [ "name", "runs", "removedBytes", "removedFiles" ], "type": "object" }, "type": "array" }, "predicate": { "$ref": "#/properties/output/properties/example/$defs/predicate" }, "prunedFiles": { "items": { "type": "string" }, "maxItems": 100, "type": "array" }, "reduced": { "$ref": "#/properties/output/properties/example/$defs/runSummary" }, "reductionRatio": { "maximum": 1, "minimum": 0, "type": "number" }, "runs": { "additionalProperties": false, "properties": { "budgetExhausted": { "type": "boolean" }, "failing": { "minimum": 0, "type": "integer" }, "passing": { "minimum": 0, "type": "integer" }, "timedOut": { "minimum": 0, "type": "integer" }, "total": { "minimum": 0, "type": "integer" } }, "required": [ "total", "failing", "passing", "timedOut", "budgetExhausted" ], "type": "object" }, "status": { "enum": [ "passed", "failed" ], "type": "string" }, "tools": { "additionalProperties": false, "properties": { "reducer": { "type": "string" }, "runner": { "type": "string" } }, "required": [ "reducer", "runner" ], "type": "object" }, "truncated": { "type": "boolean" }, "warnings": { "items": { "type": "string" }, "maxItems": 100, "type": "array" } }, "required": [ "status", "tools", "entry", "command", "predicate", "original", "reduced", "reductionRatio", "passes", "runs", "prunedFiles", "checks", "warnings", "limitations", "truncated", "expiresAt", "artifacts" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "s": [ "cdp_sdk_server" ] }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "eip2612GasSponsoring": {}, "erc20ApprovalGasSponsoring": {}, "payment-identifier": { "info": { "required": true }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } }, "tags": [ "bazaar", "builder-code", "eip2612GasSponsoring", "erc20ApprovalGasSponsoring", "payment-identifier" ], "sourceHost": "reduce.api.williamrobinson.dev", "lastUpdated": "2026-09-11T20:07:51.105Z", "quality": { "calls30d": 1, "uniquePayers30d": 1, "lastCalledAt": "2026-09-11T20:07:50.591Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "reduce.api.williamrobinson.dev", "manifest_name": "reduce.api.williamrobinson.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }