{ "id": "gfm-table-compose", "name": "Literal-cell GFM table composer", "description": "WHEN TO USE: Turn an explicit rectangular string matrix into a paste-ready GitHub Flavored Markdown table with exact literal-cell escaping and supplied column alignments. Escapes every ASCII punctuation character, preserving cell text in the declared GFM profile. ASCII @ is rejected to prevent GFM email autolinks. No raw Markdown, HTML, links, newline substitution, display-width padding or non-GFM rendering guarantee.", "category": "structured", "priceUsd": "0.003", "pricingStatus": "proposed-unverified", "pricing": { "unit": "one successful operation call", "proposedNominalUsd": "0.003", "sixDecimalTokenBaseUnits": "3000", "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": [ "Compose paste-ready literal-cell GFM tables from supplied rows", "Serialize a rectangular string matrix as Markdown with explicit column alignments" ], "whenToUse": [ "Compose paste-ready literal-cell GFM tables from supplied rows", "Serialize a rectangular string matrix as Markdown with explicit column alignments" ], "whenNotToUse": [ "ASCII @ or email-address cells; GFM email autolinking cannot be suppressed with punctuation escapes", "Parsing tables, CSV conversion, raw Markdown or HTML cells, links, code spans or multiline cells", "Pixel alignment, display-width padding or exact behavior on non-GFM renderers; browsers may collapse repeated spaces", "Sending, uploading, extracting archives, writing files, authenticating identities, or changing external state" ], "capabilities": [ "Profile gfm-literal-table-v1; ASCII @ is rejected; every other CommonMark ASCII punctuation character is backslash-escaped", "Exact rectangular dimensions, explicit left/center/right alignment and final LF", "Empty cells and duplicate headers remain strings, without implicit object conversion", "Deterministic supplied-input-only artifact; zero external requests and no current-time dependence" ], "limits": { "inputBytes": 100000, "outputBytes": 400000, "jsonNodes": 12000, "depth": 20, "profile": "gfm-literal-table-v1", "columns": 20, "rows": 100, "cellScalars": 200, "aggregateCellBytes": 20000, "atSign": "rejected to prevent unavoidable GFM email autolinking", "renderedSpaces": "browser layout may collapse repeated spaces" }, "related": [ "markdown-table-extract", "csv-serialize", "record-relations" ], "errorCodes": [ "INPUT_LIMIT", "OUTPUT_LIMIT", "COMPLEXITY_LIMIT", "INVALID_JSON", "INVALID_NUMBER", "INVALID_UNICODE", "UNSAFE_KEY", "TABLE_SHAPE", "CELL_AUTOLINK", "CELL_LIMIT", "CELL_CONTROL", "CELL_WHITESPACE", "TABLE_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": "gfm-table-compose", "operation.category": "structured", "limit.httpRequestBytes": 131072, "limit.requestBytes": 100000, "limit.responseBytes": 524288, "limit.resultBytes": 400000, "limit.jsonDepth": 20, "limit.jsonNodes": 12000, "gfmTable.profile": "gfm-literal-table-v1", "gfmTable.maxColumns": 20, "gfmTable.maxRows": 100, "gfmTable.maxCellScalars": 200, "gfmTable.maxCellBytesTotal": 20000, "gfmTable.literalCellText": true, "gfmTable.atSignSupported": false, "gfmTable.rawMarkdown": false, "gfmTable.html": false, "gfmTable.multilineCells": false, "gfmTable.crossRendererCompatibilityVerified": false, "input.headers.maxItems": 20, "input.headers.minItems": 1, "input.align.maxItems": 20, "input.align.minItems": 1, "input.rows.maxItems": 100 }, "unknownPolicy": "Undeclared requirements are unknown, never compatible. Matching declared facts does not establish semantic fit or input validity.", "preflight": "/preflight" }, "documentation": "/reference/tools/gfm-table-compose.md", "serviceContract": "/reference/services/gfm-table-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/gfm-table-compose", "mpp": "/v1/mpp/gfm-table-compose" }, "inputSchema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "headers": { "minItems": 1, "maxItems": 20, "type": "array", "items": { "type": "string", "maxLength": 400, "description": "Literal GFM cell: at most 200 Unicode scalars; no controls, leading/trailing ASCII spaces or ASCII @ (email autolinking cannot otherwise be suppressed)." } }, "align": { "minItems": 1, "maxItems": 20, "type": "array", "items": { "type": "string", "enum": [ "left", "center", "right" ] } }, "rows": { "maxItems": 100, "type": "array", "items": { "minItems": 1, "maxItems": 20, "type": "array", "items": { "type": "string", "maxLength": 400, "description": "Literal GFM cell: at most 200 Unicode scalars; no controls, leading/trailing ASCII spaces or ASCII @ (email autolinking cannot otherwise be suppressed)." } } } }, "required": [ "headers", "align", "rows" ], "additionalProperties": false }, "outputSchema": { "type": "object", "required": [ "operation", "version", "result", "provenance" ], "properties": { "operation": { "const": "gfm-table-compose", "type": "string" }, "version": { "const": "0.29.0", "type": "string" }, "result": { "$schema": "https://json-schema.org/draft/2020-12/schema", "type": "object", "properties": { "markdown": { "type": "string", "maxLength": 50000 }, "rowCount": { "type": "integer", "minimum": 0, "maximum": 100 }, "columnCount": { "type": "integer", "minimum": 1, "maximum": 20 }, "byteLength": { "type": "integer", "minimum": 1, "maximum": 50000 } }, "required": [ "markdown", "rowCount", "columnCount", "byteLength" ], "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": { "headers": [ "Name", "Note" ], "align": [ "left", "right" ], "rows": [ [ "A|B", "" ] ] }, "exampleResponse": { "operation": "gfm-table-compose", "version": "0.29.0", "result": { "markdown": "| Name | Note |\n| :--- | ---: |\n| A\\|B | \\ |\n", "rowCount": 1, "columnCount": 2, "byteLength": 49 }, "provenance": { "inputSha256": "bd997c57f922649cb03ae151e68001c13b51aab9d7837893267028102ddd8e84", "outputSha256": "371771ed09a9e61e0fb6a7bf77671979eefd5af875495834ddcd0608ef42c070", "deterministic": true, "externalRequests": 0 } }, "requiredHeaders": { "Content-Type": "application/json", "Idempotency-Key": "random 16–128 character operation identifier" }, "fixedExample": "/reference/examples/gfm-table-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." } }