{"uid":"cap_eufUrHoGwhq8VsWh1PyEZ","slug":"creator-desk-prefix-lines-utility-8684b621","name":"Creator Desk Prefix Lines Utility","description":"Machine-callable x402-paid utilities for autonomous agents.","url":"https://creator-desk-x402-isolated.onrender.com/v1/utility/prefix-lines?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{},"options":{"type":"object"}}},"responseSchema":{"type":"json","example":{"result":"example","operation":"prefix_lines"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZQbtuS9jwPt5k56NW9qlB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Prepends a prefix string to every line of a given text value, returning the transformed multi-line result.","exampleAgentPrompt":"Take this block of text and add '> ' to the beginning of every single line so it looks like a quoted block: 'Hello world\nThis is a test\nThird line here'.","exampleUseCases":[{"title":"Quote-formatting pasted email thread","prompt":"I need to add '> ' to the start of every line in this email so it looks like a quoted reply — here's the text: 'Thanks for reaching out.\nWe reviewed your proposal.\nLet us know your availability.'"},{"title":"Adding comment markers to code lines","prompt":"Prepend '// ' to every line of this snippet so I can comment it all out at once: 'const x = 1;\nconst y = 2;\nconsole.log(x + y);'"},{"title":"Numbering log output lines with a tag","prompt":"Add '[LOG] ' to the beginning of each line in this server output so I can tell at a glance these are log entries: 'Server started\nRequest received\nResponse sent'"}],"resultDescription":"Returns a JSON object with a 'result' field containing the full transformed text (all lines prefixed) and an 'operation' field confirming 'prefix_lines'.","failureModes":["Missing or empty 'value' field returns an error or empty result","Non-string value input may cause unexpected behavior or rejection","Malformed options object may be ignored or cause a 400 error","Payment failure via x402 results in a 402 response before processing begins","Network timeout on the Render-hosted service under cold-start conditions"],"whenToPreferThis":"Choose this endpoint when you need a simple, reliable, pay-per-use utility to prepend a fixed prefix string to every line of a text block — especially in an autonomous agent pipeline where you want a deterministic, stateless text transformation without setting up your own string-processing logic. It is well-suited for formatting tasks like quoting, commenting, tagging, or annotating multiline text.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:41:22.428Z","isFirstParty":false,"canonicalSlug":"creator-desk-prefix-lines-utility-8684b621"}