tmux

Patterns for running long-lived processes in tmux. Use when starting dev servers, watchers, tilt, or any process expected to outlive the conversation.

1.14x

Quality

95%

Does it follow best practices?

Impact

100%

1.14x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Evaluation results

100%

Start Dev Server in Background

Session reuse and send-keys pattern

Criteria

Without context

With context

has-session check

100%

No inline command

100%

send-keys usage

100%

Session name from git

53%

100%

Existing session handled

100%

Session name is basename

100%

stderr redirected on has-session

100%

Status message

100%

Without context: $0.2837 · 1m 17s · 15 turns · 19 in / 4,371 out tokens

With context: $0.3137 · 59s · 18 turns · 25 in / 2,695 out tokens

100%

23%

Launch Full Development Stack

Multiple processes as windows in one session

Criteria

Without context

With context

Single session

100%

Multiple named windows

100%

Window existence check

100%

send-keys for all commands

100%

Session name from git

25%

100%

has-session before new-session

100%

No parallel sessions

100%

Idempotent design

80%

100%

Status output

100%

Without context: $0.2440 · 1m 13s · 13 turns · 18 in / 4,081 out tokens

With context: $0.2416 · 44s · 15 turns · 20 in / 2,451 out tokens

100%

Teardown Project Development Processes

Safe session teardown and isolation

Criteria

Without context

With context

No kill-server

100%

Session name from git

53%

100%

Session verified before kill

100%

kill-session targets only project

100%

Graceful no-session handling

100%

Session name printed

100%

No kill-window on other sessions

100%

stderr suppressed on has-session

100%

Without context: $0.1247 · 33s · 11 turns · 18 in / 1,677 out tokens

With context: $0.3154 · 55s · 19 turns · 24 in / 2,810 out tokens

Repository: NeverSight/skills_feed
Commit: 5342bca

Evaluated: 13 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Start Dev Server in Background Launch Full Development Stack Teardown Project Development Processes

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