{"uid":"cap_wFc4ZTsfCEfgqv3BOn54B","slug":"proc-chance-calculator-2566851a","name":"Proc Chance Calculator","description":"Proc chance calculator: Calculate cumulative probability for an effect over repeated hits.","url":"https://market.datapackvibe.com/x402/proc-chance-calculator?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"hits":{"type":"number","default":12},"chance_per_hit":{"type":"number","default":0.08}}},"responseSchema":null,"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_qWmwt892Yu5PjDlCeXtd9","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":"Calculates the cumulative probability that a proc effect triggers at least once over a given number of hits, given a per-hit proc chance.","exampleAgentPrompt":"What's the cumulative probability of a proc triggering at least once if I have an 8% chance per hit and I'm landing 12 hits?","exampleUseCases":[{"title":"Weapon proc chance in RPG combat","prompt":"I have a sword enchantment with a 5% chance to proc on each hit — if I land 20 hits in a fight, what's the cumulative probability it triggers at least once?"},{"title":"Passive ability activation odds","prompt":"My character has a passive with an 8% on-hit proc rate and I typically get 12 hits per combo — can you calculate the total chance it fires at least once during that combo?"},{"title":"Low-rate proc viability check","prompt":"Is a 3% proc chance worth building around if I average 30 hits per encounter? Calculate the cumulative probability for me so I can decide."}],"resultDescription":"Returns the cumulative probability (as a decimal or percentage) that a proc effect triggers at least once across the specified number of hits, given the per-hit chance. This is typically calculated as 1 - (1 - chance_per_hit)^hits.","failureModes":["Invalid or missing hits value — defaults to 12 if omitted","Invalid or missing chance_per_hit value — defaults to 0.08 if omitted","chance_per_hit outside valid range (0 to 1) may produce nonsensical results","hits value of 0 returns 0% probability","Negative values may cause computation errors"],"whenToPreferThis":"Use this endpoint when you need to quickly compute cumulative proc probabilities for game design, balancing, or player decision-making contexts. Ideal for agents helping with RPG character builds, game mechanic analysis, or any scenario where repeated-trial binomial probability needs to be explained in plain terms. Best when inputs are a simple hit count and a per-hit percentage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T01:49:11.006Z","isFirstParty":false,"canonicalSlug":"proc-chance-calculator-2566851a"}