A development workflow that makes monitoring observe services without automatically fixing or restarting them. Individual services, or the whole system, can be excluded for a limited time.

Pausing automatic fixes while developing or rebuilding a service, checking development-mode status, and identifying signs that repeated failures are caused by a rebuild.

It prevents automatic recovery actions from interrupting active development, rebuilds, or recently deployed services.

dev-mode — Skill for Claude Code and Codex by anatolykoptev/dozor

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 anatolykoptev/dozor --skill dev-mode

Clone the repo

git clone --depth 1 https://github.com/anatolykoptev/dozor

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/anatolykoptev/dozor/dev-mode/github.svg)](https://agentmods.dev/skills/anatolykoptev/dozor/dev-mode)

Your own site

<a href="https://agentmods.dev/skills/anatolykoptev/dozor/dev-mode"><img src="https://agentmods.dev/badge/skills/anatolykoptev/dozor/dev-mode/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/anatolykoptev/dozor/dev-mode"><img src="https://agentmods.dev/badge/skills/anatolykoptev/dozor/dev-mode.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 1,283 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.

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.

Model	Per session	Once invoked
Fable 5.1	$0.00077	$0.01283
Opus 5.5	$0.00031	$0.00513
Sonnet 5.5	$0.00015	$0.00257
Haiku 4.5	$0.00008	$0.00128

Measured 1mo ago against content hash dc509c5a471e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dev-mode 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.

skills/dev-mode/SKILL.md · 129 lines

How it starts

The opening of the file, as written. The whole thing — 129 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Dev Mode

Prevent auto-fixing services under active development.

When to Activate

Automatic signals (suggest to user or self-activate)

Signal	Confidence	Action
Same service restarted 3+ times in 10 min	High	Exclude that service
Triage errors: "connection refused", "no such image", "build"	High	Suggest dev mode for that service
Deploy just completed (< 5 min ago)	Medium	Suggest excluding deployed services
Multiple services unhealthy simultaneously after being healthy	Medium	Suggest global dev mode
User says "I'm working on X" / "rebuilding X"	Certain	Exclude X immediately

Manual activation via MCP tool

server_dev_mode(enable: true)                             — global observe-only
server_dev_mode(exclude: ["my-service"], ttl: "2h")       — skip a service from triage
server_dev_mode(exclude: ["api-service", "worker"])       — skip multiple (default 4h TTL)
server_dev_mode(status: true)                             — check current state

Dev Mode Behaviors

Global dev mode ON

Watch still runs triage on schedule
Triage report includes DEV MODE ACTIVE banner
Watch prompt changes to: "observe only, do NOT take any corrective action"
Agent MUST NOT restart, deploy, or modify any services
Agent CAN still diagnose, inspect, and report

Per-service exclusions

Excluded services are removed from triage entirely
They still appear in server_inspect(mode: "health") (unfiltered)
Exclusions auto-expire after TTL (default 4h)
If all services excluded, triage says "All services dev-excluded"

Decision Flow

Triage detects problems
  │
  ├─ Is dev mode ON?
  │   └─ YES → Report only. Do NOT fix. Done.
  │
  ├─ Is the problematic service excluded?
  │   └─ YES → Skip it. Not in triage output.
  │
  ├─ Does the error look like active development?
  │   │  (connection refused, image missing, build error,
  │   │   repeated restarts in short window)
  │   └─ YES → Suggest excluding the service:
  │        "Service X appears to be under active development
  │         (3 restarts in 5 min). Exclude from triage?"
  │        If via watch (no user): auto-exclude for 1h,
  │        log the decision.
  │
  └─ Normal incident → follow incident-response skill

Read the full file on GitHub · 129 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.

1mo ago First seen · 129 lines · 77 tokens per session scan A dc509c5a471e

Subscribe to this mod's changes

dev-mode is a skill published in the GitHub repository anatolykoptev/dozor (6 stars, last pushed 7d ago), licensed MIT. It adds 77 tokens to every session and 1,283 once invoked, about $0.0003 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 2026-08-31.

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