{"uid":"cap_BWadpvbKcTWdDJWMXMfj9","slug":"agentshelf-loose-semver-validator-968b7391","name":"Agentshelf Loose Semver Validator","description":"Call when an agent needs whether a string is semver with an optional leading v. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/check-semver-loose first.","url":"https://agentshelf.syntexa.ch/v1/check-semver-loose?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value for schema-check SKUs. Omit it on string checks such as email or IBAN."},"value":{"type":"string","examples":["v1.2.3"],"maxLength":20000,"minLength":1,"description":"Value to check. The route description names the format: email, phone, IBAN, postal code, VAT, national id, or similar."},"schema":{"description":"JSON Schema document for schema-check SKUs. Omit it on string checks."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DdGOaEaGhsQMo-Yxy5tGx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given string is a valid semantic version (semver) optionally prefixed with a leading 'v'","exampleAgentPrompt":"Can you check whether the string 'v1.4.2-beta.1' is a valid loose semver version (with an optional leading v)?","exampleUseCases":[{"title":"Release tag format enforcement","prompt":"Before I push this release, can you check if 'v2.0.0-rc.1' is a valid semver string with the optional leading v?"},{"title":"Validate user-submitted package version","prompt":"A user submitted version '1.2.3.4' for their package — is that actually a valid semver string?"},{"title":"CI pipeline version string check","prompt":"My build script produced the tag 'v0.9.0-alpha+build.123' — does that pass semver validation including the optional v prefix?"}],"resultDescription":"Returns a result indicating whether the input string is a valid loose semver version (with optional leading 'v'), along with any relevant parsing details or a boolean validity flag.","failureModes":["Empty string input returns an error (minLength is 1)","String exceeding 20000 characters is rejected","Malformed request body returns a 4xx error","Payment not settled or x402 payment rejected results in a 402 response"],"whenToPreferThis":"Use this endpoint when you need a deterministic, no-LLM semver validation that accepts an optional leading 'v' prefix (loose semver). Prefer the free sandbox endpoint /v1/sandbox/check-semver-loose first; only fall back to this paid endpoint when the sandbox is unavailable or a verified paid response is required. Choose this over regex-based local validation when you need a reliable, hosted check without implementing semver parsing yourself.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T04:39:04.362Z","isFirstParty":false,"canonicalSlug":"agentshelf-loose-semver-validator-968b7391"}