Compose routing is catalog-driven. A model name or docs page does not imply Anthropic support. If an Anthropic-family model appears in the generated catalog, use its publicDocumentation Index
Fetch the complete documentation index at: https://docs.compose.market/llms.txt
Use this file to discover all available pages before exploring further.
modelId exactly. If it does not appear, it is not part of the hosted catalog for that build.
Use:
q or inspect /v1/models for current rows.