# Services from agent-product-normalizer.vercel.app on Zero

> agent-product-normalizer.vercel.app serves 21 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/agent-product-normalizer.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/agent-product-normalizer.vercel.app/health.json

## Services

- [Agent Offer Comparator](https://www.zero.xyz/c/agent-offer-comparator-1e27af99/llms.txt): $0.05/call via x402. Compares 2 to 5 public product pages and identifies the cheapest offer per currency across all submitted URLs
- [Agent Search Result Judge](https://www.zero.xyz/c/agent-search-result-judge-3f40b96f/llms.txt): $0.005/call via x402. Ranks search results for a given task/query and flags duplicate, stale, and spam-like entries
- [Should I Ask The Human?](https://www.zero.xyz/c/should-i-ask-the-human-73dfa0db/llms.txt): $0.003/call via x402. Decides whether an AI agent should pause and ask the human for clarification or safely infer and proceed autonomously
- [YouTube Video Context & Technical Command Extractor](https://www.zero.xyz/c/youtube-video-context-technical-command-extractor-0296b37c/llms.txt): $0.025/call via x402. Fetches a YouTube transcript and returns a compact all-in-one analysis including context, technical details, and optional question answering for AI agents
- [Agent Offer Extractor](https://www.zero.xyz/c/agent-offer-extractor-8e4ef936/llms.txt): $0.01/call via x402. Extracts compact price, currency, availability, and seller facts from a public product page URL
- [Agent Product Normalizer](https://www.zero.xyz/c/agent-product-normalizer-78660046/llms.txt): $0.01/call via x402. Fetches a public product page URL and normalizes it into structured, agent-ready commerce JSON
- [Agent Action Extractor](https://www.zero.xyz/c/agent-action-extractor-f7e1e688/llms.txt): $0.002/call via x402. Extracts concrete action items, priority signals, and deadline information from unstructured text such as meeting notes, conversations, or task descriptions.
- [Agent Conflict Detector](https://www.zero.xyz/c/agent-conflict-detector-c8a379e2/llms.txt): $0.002/call via x402. Detects contradictory facts, negations, and numeric mismatches in a block of text before an agent acts on it
- [Agent Constraint Extractor](https://www.zero.xyz/c/agent-constraint-extractor-069077ca/llms.txt): $0.003/call via x402. Parses a free-text human request to extract hard constraints, soft preferences, exclusions, budgets, and deadlines into structured form
- [Agent Context Compressor](https://www.zero.xyz/c/agent-context-compressor-83200aaf/llms.txt): $0.005/call via x402. Compresses long agent conversation history or notes into a compact operational state suitable for agent handoffs
- [Agent Fact Deduplicator](https://www.zero.xyz/c/agent-fact-deduplicator-12e1f693/llms.txt): $0.0015/call via x402. Deduplicates facts and near-duplicate notes from a text block to reduce redundancy and save downstream agent tokens
- [Agent Handoff Diff](https://www.zero.xyz/c/agent-handoff-diff-b7285275/llms.txt): $0.002/call via x402. Computes and returns the delta between two agent handoff states so the receiving agent only processes what changed
- [Agent Missing Field Checker](https://www.zero.xyz/c/agent-missing-field-checker-a5097b2e/llms.txt): $0.001/call via x402. Validates a JSON tool call or structured request against a list of required fields and reports which fields are missing
- [Agent Next Step Selector](https://www.zero.xyz/c/agent-next-step-selector-9ee13cc3/llms.txt): $0.002/call via x402. Ranks a list of candidate next actions against the current agent state to recommend the best next step
- [Agent Product Validator](https://www.zero.xyz/c/agent-product-validator-240b2757/llms.txt): $0.02/call via x402. Scores whether a public product page contains enough reliable, structured data for commerce agents to act on
- [Agent Prompt Injection Scanner](https://www.zero.xyz/c/agent-prompt-injection-scanner-82e4249a/llms.txt): $0.002/call via x402. Scans untrusted text for common prompt-injection and instruction-override attack patterns
- [Agent Retry Decision](https://www.zero.xyz/c/agent-retry-decision-c89a9921/llms.txt): $0.001/call via x402. Determines whether a failed API or tool call should be retried and recommends the next action to take
- [Agent Search Query Builder](https://www.zero.xyz/c/agent-search-query-builder-0d024d49/llms.txt): $0.0015/call via x402. Compresses a verbose user task description into concise, search-engine-ready query variants for downstream web or product searches
- [Agent Secret Redactor](https://www.zero.xyz/c/agent-secret-redactor-05633d57/llms.txt): $0.002/call via x402. Redacts common API keys, tokens, and private-key patterns from text before logging or agent handoff
- [Agent Task Clarifier](https://www.zero.xyz/c/agent-task-clarifier-bd32421b/llms.txt): $0.005/call via x402. Transforms a messy, ambiguous human request into a structured, execution-ready goal with constraints, ambiguity signals, and at most one clarifying question
- [YouTube Transcript & Timestamped Captions](https://www.zero.xyz/c/youtube-transcript-timestamped-captions-bb0cdb25/llms.txt): $0.015/call via x402. Fetches a timestamped transcript from a public YouTube video URL so agents can read video content without watching it

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)