MCP tool

list_facts_by_key_prefix

Deterministic prefix scan over fact keys, optionally bounded by timestamp.

The list_facts_by_key_prefix tool is provided by ctxstore — memory that follows you across models. Install that server in your AI client and the assistant can call it directly.

Servers exposing list_facts_by_key_prefix

Tool lists are read from the live servers (or, for packaged servers, from their documentation) each morning, so this reflects what they exposed at the last refresh. Search all tools.