Check whether an LLM model id is deprecated, retiring, or retired, and what to migrate to.
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First seen 2 Oct 2026. One server, whatever directories list it: each directory listing keeps its own page and history.
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| Tool | Description | Behaviour |
|---|---|---|
| check_model | Check whether an LLM model id is safe to use, deprecated, or retired, and what to migrate to. Accepts the exact string used in code (e.g. 'gpt-4o', 'claude-sonnet-4-5-20250929', 'anthropic/claude-opus-4-1'). Call this before writing or changing any hardcoded model id. | Read-only |
| list_retiring_models | List tracked models scheduled to retire within a time window, soonest first. Use this to audit a codebase or plan migration work. | Read-only |
| recent_lifecycle_changes | Lifecycle state changes across all tracked providers, newest first. Use this to answer 'what model deprecations happened recently?'. | Read-only |
| search_models | List tracked models, optionally filtered by provider and lifecycle state. Use this to discover what is currently available from a provider. | Read-only |
| suggest_replacement | Given a deprecated or retiring model, return the provider's recommended replacement(s) and, when none is published, active models from the same provider to consider. | Read-only |
| Directory | Listing | Tier | First seen |
|---|---|---|---|
| Official MCP Registry | LLMIntel Model Lifecycle | - | 2 Oct 2026 |
| Smithery | model-lifecycle | - | 2 Oct 2026 |