Cairn - AI Context Continuity Engine. Local-private MCP server: context-zone warnings, faithful 7-bucket handoffs, and a decision/evidence ledger across sessions and models.
Skill Claude CodeCodex
Trigger phrase "Cairn Handoff". Author a 7-bucket handoff brief from the current conversation and persist it via Cairn's handoff MCP tool (default account mode — no model call, nothing leaves the host). Use when the user says "Cairn Handoff", before clearing the session, on a yellow/red context zone, or before…
Skill Claude CodeCodex
Trigger phrase "Cairn Help". Print a short reference table of Cairn's trigger phrases, MCP tools, and shell commands so the user can orient quickly. Use when the user says "Cairn Help", "Cairn commands", or asks what Cairn can do.
Skill Claude CodeCodex
Trigger phrase "Cairn resume". Re-inject prior state from the Cairn ledger via decisionlog and continue from it as the SOURCE OF TRUTH — without re-reading the whole repo. Use when the user says "Cairn resume", or at the start of resumed work.
Skill Claude CodeCodex
Use Cairn's MCP tools (hoststatus, contextstatus, handoff, decisionlog) to track context-window zones, hand off a 7-bucket brief before context degrades, and re-inject prior decisions. Codex has no ambient statusline/hooks, so call these proactively when a session grows long or before wrapping up.