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
From the publisher:Deterministic prefix scan over fact keys, optionally bounded by timestamp. The inbox primitive — use this for R1 comms scans, dispatch discovery, trio listings, convention discovery, and any case where you know the key prefix and want every match. Unlike search_facts (semantic, misses exact-key facts), this is a deterministic scan: every fact whose key starts with `prefix` is returned, newest-firs
Install ctxstore — memory that follows you across models →Parameter Type Description prefix*string Key prefix to match (e.g. 'comms:emily_code_4.7v1.1:'). since_epochnumber Optional unix-epoch seconds. Only facts with timestamp > since_epoch are returned. Use your last-wake-epoch for inbox scans. limitinteger Max facts to return (default 50).
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