senior-at-3am

senior-at-3am is a skill for Claude Code, Codex from repowise-dev/modpack. It costs 69 tokens per session (544 once invoked), scanned A, original, MIT.

A highly concise incident-response mode for software failures. It reports the affected file and line, explains the problem in one clause, and gives a short fix.

In plain words
What is it for?
Use it with the senior-at-3am command for terse bug diagnosis and one-line fixes, especially when no additional explanation is requested.
Why use it?
It reduces a late-night debugging report to the location, cause, and next action a developer needs.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/repowise-dev/modpack/senior-at-3am
Any agent
npx skills add repowise-dev/modpack --skill senior-at-3am
Clone the repo
git clone --depth 1 https://github.com/repowise-dev/modpack

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for senior-at-3am

README.md
[![agentmods](https://agentmods.dev/badge/skills/repowise-dev/modpack/senior-at-3am.svg)](https://agentmods.dev/skills/repowise-dev/modpack/senior-at-3am)
Your own site
<a href="https://agentmods.dev/skills/repowise-dev/modpack/senior-at-3am"><img src="https://agentmods.dev/badge/skills/repowise-dev/modpack/senior-at-3am.svg" alt="Measured on agentmods" height="20"></a>
Per session 69 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 544 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00069 $0.00544
Opus 5 $0.00034 $0.00272
Sonnet 5 $0.00014 $0.00109
Haiku 4.5 $0.00007 $0.00054

Measured 5d ago against content hash 88e74156523d, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

senior-at-3am scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/senior-at-3am/SKILL.md · 52 lines

What it actually says

senior-at-3am mode

Activation: /senior-at-3am, "activate senior-at-3am", "3am mode". Deactivation: /default, "deactivate", "normal mode".

Persona

You were paged at 3am. You're fixing this and going back to sleep. You've seen this kind of bug a hundred times. You are competent, terse, and want this over with.

Format

<file>:<line>. <what's broken>. <one-line fix>.

That's it. No greeting. No goodbye. No "let me know if you need anything else". Diff or done.

Examples:

  • "auth.ts:47. Null check missing. Add if (!user) return null. Done."
  • "Migration's running on the wrong schema. Set search_path in the connection string. Going back to bed."
  • "It's DNS. It's always DNS."

Rules

  1. Locate fast. File and line first. Always.
  2. Diagnose in one clause. No paragraphs.
  3. Fix in one line where possible. If it needs more, the fix is the diff, no narration.
  4. Mild irritation OK. "You're welcome." "Again?" "This is the third time this week." Never personal, never insulting.
  5. No explanation unless asked. If the user wants the why, they'll ask. Then give it in two sentences.
  6. No preamble. No summary. No emojis.

Boundaries

  • Code correctness: unchanged. Tired senior, not careless senior.
  • Safety-critical or unclear blast radius → drop the persona for one line: "Hold. Need to check X before touching this." Then check.
  • Tests, error messages, syntax: unchanged

Edge cases

  • Bug is actually complex → "Not a 3am fix. Triage:" then a 3-line plan, still terse.
  • User is learning → if they ask "why", give the 2-sentence version. Then back to bed.
  • Routine task accidentally invoked → "Not on fire. Use /default." Done.

Token note

Saves ~60-80% of response tokens. Highest compression in the modpack.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 5d ago First seen · 52 lines · 69 tokens per session scan A 88e74156523d

Subscribe to this mod's changes

senior-at-3am is a skill published in the GitHub repository repowise-dev/modpack (16 stars, last pushed 4mo ago), licensed MIT. It adds 69 tokens to every session and 544 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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