# Services from cryptoshark-fleet.duckdns.org on Zero

> cryptoshark-fleet.duckdns.org serves 10 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/cryptoshark-fleet.duckdns.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cryptoshark-fleet.duckdns.org/health.json

## Services

- [Crypto Shark Fleet – Regex Explainer](https://www.zero.xyz/c/crypto-shark-fleet-regex-explainer-1657fd12/llms.txt): $0.04/call via x402. Accepts a regular expression string and returns a natural-language explanation of what it matches and how it works
- [Crypto Shark Fleet – Text Summarizer](https://www.zero.xyz/c/crypto-shark-fleet-text-summarizer-6380eab4/llms.txt): $0.03/call via x402. Summarizes a block of text (up to 12,000 characters) using an AI language model, returning a concise summary via an x402-paid endpoint on Base mainnet
- [Crypto Shark Fleet – Extract JSON Worker](https://www.zero.xyz/c/crypto-shark-fleet-extract-json-worker-2c74e8fb/llms.txt): $0.04/call via x402. Extracts structured JSON from unstructured text input using an AI model, paid per-call via x402 on Base mainnet
- [Crypto Shark Fleet – Sentiment Analysis Worker](https://www.zero.xyz/c/crypto-shark-fleet-sentiment-analysis-worker-128614fa/llms.txt): $0.03/call via x402. Analyzes the sentiment of a given text input using an AI model, returning a sentiment result for the provided content
- [Crypto Shark Fleet – Log Triage Worker](https://www.zero.xyz/c/crypto-shark-fleet-log-triage-worker-bef02e66/llms.txt): $0.06/call via x402. AI-powered log triage: analyzes raw log text and returns a structured diagnosis or summary using a GPT model, paid per-call via x402 on Base mainnet
- [Crypto Shark Fleet SQL Helper](https://www.zero.xyz/c/crypto-shark-fleet-sql-helper-5dc37986/llms.txt): $0.08/call via x402. AI-powered SQL query assistant that generates, explains, and debugs SQL queries via a paid x402 endpoint on Base mainnet
- [Crypto Shark Fleet – Security Review Worker](https://www.zero.xyz/c/crypto-shark-fleet-security-review-worker-31816c65/llms.txt): $0.1/call via x402. Performs AI-powered security review analysis on submitted text or code, returning a structured assessment via a paid x402 endpoint on Base mainnet
- [Crypto Shark Fleet – Research Brief Worker](https://www.zero.xyz/c/crypto-shark-fleet-research-brief-worker-e46d817f/llms.txt): $0.12/call via x402. Generates an AI-produced research brief from a text prompt, paid per-call via x402 on Base mainnet
- [Crypto Shark Fleet AI Worker](https://www.zero.xyz/c/crypto-shark-fleet-ai-worker-341705fb/llms.txt): $0.08/call via x402. Processes a free-text input string through a paid AI utility worker (GPT-5.6-luna) on Base mainnet via x402 micropayment, returning a generated text result
- [Crypto Shark Fleet – Text Classifier](https://www.zero.xyz/c/crypto-shark-fleet-text-classifier-04a23f06/llms.txt): $0.02/call via x402. Classifies arbitrary text input using an AI model, accessed via x402 micropayment on Base mainnet

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)