loop

loop is a skill for Claude Code, Codex from taurus42119-stack/godkiller-mcp. It costs 28 tokens per session (913 once invoked), scanned A, original, MIT.

A recurring-task workflow for running a prompt or skill repeatedly at a fixed interval, such as every five minutes, or at changing intervals chosen after each run.

In plain words
What is it for?
Use it to run recurring prompts, monitor local shell output, check deployments, run tests, or generate periodic reports. It can run the prompt once immediately and then continue on schedule.
Why use it?
It removes the need to manually repeat checks or commands and keeps track of an already-running matching loop to avoid duplicates.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to run recurring prompts, monitor local shell output, check deployments, run tests, or generate periodic reports. It can run the prompt once immediately and then continue on schedule.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/taurus42119-stack/godkiller-mcp/loop
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.

Any agent
npx skills add taurus42119-stack/godkiller-mcp --skill loop
Clone the repo
git clone --depth 1 https://github.com/taurus42119-stack/godkiller-mcp

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 loop

README.md
[![agentmods](https://agentmods.dev/badge/skills/taurus42119-stack/godkiller-mcp/loop/github.svg)](https://agentmods.dev/skills/taurus42119-stack/godkiller-mcp/loop)
Your own site
<a href="https://agentmods.dev/skills/taurus42119-stack/godkiller-mcp/loop"><img src="https://agentmods.dev/badge/skills/taurus42119-stack/godkiller-mcp/loop/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for loop

Your own site · 80×15
<a href="https://agentmods.dev/skills/taurus42119-stack/godkiller-mcp/loop"><img src="https://agentmods.dev/badge/skills/taurus42119-stack/godkiller-mcp/loop.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 913 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 5.1 $0.00028 $0.00913
Opus 5.5 $0.00011 $0.00365
Sonnet 5.5 $0.00006 $0.00183
Haiku 4.5 $0.00003 $0.00091

Measured 1mo ago against content hash 03f141406a7e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

loop 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 1mo 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

  • loop — 100% identical, 0 lines differ
src/godkiller_mcp/bundled_skills/agent-ops/loop/SKILL.md · 74 lines

How it starts

The opening of the file, as written. The whole thing — 74 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Loop

Parse

Accept /loop [interval] <prompt>.

  • Leading interval: 5m /foo, 30s check status, 2h run report.
  • Trailing interval: check deploy every 5m, run tests every 10 minutes.
  • No interval: dynamic mode; the agent chooses the next delay after each run.
  • Empty prompt: show Usage: /loop [interval] <prompt>.

Use intervals like 30s, 5m, 2h, 1d. Convert unit words to short units.

Use monitored shell output to wake the agent for recurring local work.

Fixed Schedule

while true; do
  sleep <seconds>
  echo 'AGENT_LOOP_TICK_<purpose> {"prompt":"<prompt>"}'
done
  1. Check existing terminals for an already-running matching loop.
  2. Start one background shell loop with notify_on_output.
  3. Use a unique sentinel and a regex such as ^AGENT_LOOP_TICK_<purpose>.
  4. Smoke-check once to confirm clean startup.
  5. Run the prompt once immediately after arming the loop.
  6. The first sentinel should arrive only after the initial sleep, so startup does not double-run the prompt.
  7. Track the PID so the agent can stop the loop if asked.
  8. Briefly confirm: the interval, that the prompt already ran once, when the first tick will arrive, and that the loop will fire on each tick until stopped. On later ticks, give a short update of what changed. On stop, say the loop has stopped and why.

Dynamic Schedule

The user wants the agent to self-pace. Decide what makes the next iteration worth running — a passage of time, or an observable event.

  1. Run the prompt now.
  2. If the next run is gated on an event (a git ref advancing, a log line matching, a file changing, a CI check completing), arm a background watcher that emits the sentinel only when the event fires, with notify_on_output on ^AGENT_LOOP_WAKE_<purpose>. Arm once; skip on later ticks if it's still running.
  3. At the end of the turn, arm a one-shot time-based wake:
sleep <seconds>
echo 'AGENT_LOOP_WAKE_<purpose> {"prompt":"<prompt>"}'

With a watcher armed, this is the fallback heartbeat — lean long so idle ticks aren't pure overhead. Without a watcher, this is the cadence — pick a delay based on when the result is worth checking again.

Read the full file on GitHub · 74 lines

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. 1mo ago First seen · 74 lines · 28 tokens per session scan A 03f141406a7e

Subscribe to this mod's changes

loop is a skill published in the GitHub repository taurus42119-stack/godkiller-mcp (27 stars, last pushed 2mo ago), licensed MIT. It adds 28 tokens to every session and 913 once invoked, about $0.0001 per session on Opus 5.5. 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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