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Pre-warmed Claude Code sessions in tmux. No startup wait.

3 starsShell

LLM-primer – pre-warmed Claude Code session pool, zero startup wait

by asakin·Apr 15, 2026·1 point·1 comment
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AI Analysis

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Session pooling for AI CLIs — why didn't this exist before?

Strengths
  • •tmux-based warmth detection via output marker parsing means zero protocol changes
  • •File watcher auto-rewarms slots when CLAUDE.md changes — no manual invalidation
  • •Brew installable with 5-command surface area, actually matches the simplicity claim
Weaknesses
  • •Claude Code only — no support for Cursor, Continue, or other AI CLI tools yet
  • •Requires tmux running continuously, which may conflict with existing tmux workflows
Target Audience

Claude Code users who switch between agent roles frequently

Post Description

Claude Code sessions that read a real CLAUDE.md take 30-60 seconds to initialize. Fine once. Friction when you're switching contexts constantly.

llm-primer keeps a pool of warm sessions in the background. When you need one, it's already past the startup protocol.

Happy to answer questions. The main motivation was that I'm running LLM wikis (llm-context-base) and switching context between different agent roles constantly. The startup latency was killing the flow.

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