{"uid":"cap_0gn86EwYU09MJev1sMQkg","slug":"git-best-common-ancestor-antichain-verifier-cdfbbd2d","name":"Git Best Common Ancestor Antichain Verifier","description":"Prüft die behauptete Zahl bester gemeinsamer Vorfahren zweier anonymer Git-Commitspitzen.","url":"https://detect.halowerk.com/v1/F-A-NEXT-GIT_MERGE_BASES/git-best-common-ancestor-antichain?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"artifact":{"type":"object","required":["git_merge_bases"],"properties":{"git_merge_bases":{"type":"object","required":["claim","parents","tips"],"properties":{"tips":{"type":"array","items":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"maxItems":512},"claim":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"parents":{"type":"array","items":{"type":"array","items":{"type":"number","maximum":1000000000000,"minimum":-1000000000000},"maxItems":512},"maxItems":512}},"additionalProperties":false}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JxeTniT9a5MCOKQxetTIh","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a claimed count of best common ancestors (merge bases) for two or more anonymous Git commit tips by checking the antichain structure.","exampleAgentPrompt":"Can you verify that the claimed number of best common ancestors is correct for these two git commit tips — tips [42, 7], claim of 1, with parents [[3,5],[1,2]]?","exampleUseCases":[{"title":"CI merge base sanity check","prompt":"Before we merge these two branches, verify that our tool's claimed merge base count of 2 is correct — tips are [101, 202], and the parent arrays are [[50,60],[75,80]]."},{"title":"Validating octopus merge ancestor count","prompt":"We're doing an octopus merge across 4 branches. Can you check that the best common ancestor antichain really has 3 bases? Tips are [10,20,30,40] with parent arrays [[5,6],[7,8],[9,10],[11,12]]."},{"title":"Debugging unexpected merge conflicts","prompt":"Our merge tool says there's only 1 best common ancestor for these two commits (tips [999, 888], claim=1, parents [[500],[600]]), but the merge is behaving weirdly — can you verify that claim is actually correct?"}],"resultDescription":"A validation response indicating whether the claimed number of best common ancestors (merge bases) for the given commit tips matches the actual antichain structure derived from the provided parent adjacency data. Returns correctness of the claim.","failureModes":["Mismatched array sizes between tips and parents arrays causing schema validation failure","Claim value outside allowed numeric range (-1000000000000 to 1000000000000)","Tips or parents arrays exceeding 512-item limit","Malformed parent arrays (non-numeric or missing inner arrays)","Internally inconsistent graph structure where the antichain cannot be computed","Network timeout or service unavailability returning HTTP 402 or 5xx"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a claimed count of Git merge bases (best common ancestors) is correct for a pair or set of commit tips, especially in automated CI/CD pipelines, merge tooling validation, or debugging unexpected merge behavior. Prefer this over implementing custom DAG antichain logic when you want a pay-per-call validation service without maintaining graph traversal infrastructure.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-11-04T06:40:45.775Z","isFirstParty":false,"canonicalSlug":"git-best-common-ancestor-antichain-verifier-cdfbbd2d"}