{"uid":"cap_8sxOd7vFE1z8warEmRVCl","slug":"anthropic-yeetful-com-5c21a2e3","name":"Yeetful Claude Haiku 4.5 Inference (MCP)","description":"Yeetful — Anthropic Claude Haiku 4.5 inference over MCP Streamable HTTP, hosted at anthropic.yeetful.com. Exposes ask_claude (single-prompt completion) and claude_chat (multi-turn) tools, capped at 256 output tokens per call. Pay-per-call in USDC on Base. Operated by yeetful.com. Keywords: yeetful, anthropic, claude, haiku, mcp, x402, inference, llm.","url":"https://anthropic.yeetful.com/api/mcp/mcp?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","toolName","inputSchema"],"properties":{"type":{"type":"string","const":"mcp"},"example":{"type":"object"},"toolName":{"type":"string"},"transport":{"enum":["streamable-http"],"type":"string"},"description":{"type":"string"},"inputSchema":{"type":"object"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.006","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":2,"rating":{"score":"0.38","successRate":"0.67","reviews":2,"stars":"2.5","state":"rated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1gBYE4NYTL3Xd5m9wc8r7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Runs single-prompt or multi-turn chat completions using Anthropic Claude Haiku 4.5 via MCP Streamable HTTP, with pay-per-call USDC billing on Base","exampleAgentPrompt":"Ask Claude Haiku through Yeetful: 'What are three concise bullet points explaining the difference between supervised and unsupervised machine learning?' — single prompt, up to 256 tokens back.","exampleUseCases":[{"title":"Real-time customer support ticket classification","prompt":"I need you to quickly review incoming support emails and categorize them as urgent, standard, or low-priority based on content — use Claude to classify these tickets cheaply and fast since we get hundreds daily."},{"title":"Multi-turn code review chatbot","prompt":"Start a conversation with Claude where you can ask follow-up questions about code snippets I paste in — I want to iterate on explanations without burning through my API quota, so use the pay-per-call option."},{"title":"Lightweight product description generator","prompt":"Generate short, punchy product descriptions for our e-commerce listings using Claude Haiku — we need quick turnaround and low cost per description since we have thousands of SKUs."}],"resultDescription":"Returns a text completion or chat response from Claude Haiku 4.5, capped at 256 output tokens. The ask_claude tool returns a single-turn completion; claude_chat returns a multi-turn conversational response.","failureModes":["Payment failure: insufficient USDC balance or x402 payment not accepted — returns 402 Payment Required","Output truncation: responses are hard-capped at 256 tokens, long answers will be cut off","Model overload: upstream Anthropic API rate limits may cause 429 or 503 errors","Invalid prompt format: malformed MCP tool call may return 400 Bad Request","Network timeout: streamable HTTP connection dropped mid-response"],"whenToPreferThis":"Choose this endpoint when you need fast, low-cost Claude Haiku 4.5 inference in an agentic MCP-compatible pipeline and want pay-per-call USDC billing on Base instead of a subscription. Ideal for agents that need occasional Claude completions without provisioning an Anthropic API key. Not suitable when you need more than 256 output tokens or require a different Claude model tier.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":4,"lastUsedAt":"2026-06-27T19:50:41.013Z","lastSuccessfullyRanAt":"2026-05-15T03:54:49.119Z","lastHealthCheckAt":"2026-10-10T06:33:28.106Z","isFirstParty":false,"canonicalSlug":"anthropic-yeetful-com-5c21a2e3"}