# Services from contextslim.friczero.com on Zero

> contextslim.friczero.com serves 2 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/contextslim.friczero.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/contextslim.friczero.com/health.json

## Services

- [ContextSlim MCP API – Fetch Cached Context (GET)](https://www.zero.xyz/c/contextslim-mcp-api-fetch-cached-context-get-3fa98072/llms.txt): $0.001/call via x402. Retrieves a previously optimized and cached context payload using a reference ID returned by the optimize_context tool.
- [ContextSlim MCP API – fetch_result (GET)](https://www.zero.xyz/c/contextslim-mcp-api-fetch-result-get-c10331bc/llms.txt): $0.001/call via x402. Retrieves a previously cached, token-pruned JSON payload from ContextSlim's KV store using a reference ID returned by optimize_context

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)
