# Services from topic-scorer.pixelcove.co on Zero

> topic-scorer.pixelcove.co serves 3 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/topic-scorer.pixelcove.co
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/topic-scorer.pixelcove.co/health.json

## Services

- [topic-scorer: Taxonomy Scoring over MCP by PixelCove](https://www.zero.xyz/c/topic-scorer-taxonomy-scoring-over-mcp-by-pixelcove-468f61fd/llms.txt): $0.05/call via x402. Scores a text document against 11,485 public taxonomy categories and returns ranked matches plus missing phrases needed to improve targeting.
- [Topic Scorer – Taxonomy Rank Gate](https://www.zero.xyz/c/topic-scorer-taxonomy-rank-gate-c563cf7c/llms.txt): $0.05/call via x402. Checks whether a piece of text ranks within the top N categories of a given ad or content taxonomy, returning pass/fail, rank, gap to #1, top 5 categories, and unused phrases to improve topical coverage.
- [topic-scorer: Taxonomy Phrase Recommender](https://www.zero.xyz/c/topic-scorer-taxonomy-phrase-recommender-6df00015/llms.txt): $0.05/call via x402. Returns the ranked taxonomy category for a page or draft and lists the key phrases it still needs to rank higher in that category.

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)