agentmods.dev

ask-first

ask-first is a skill for Claude Code from onur-aslan/sdd. It costs 17 tokens per session (236 once invoked), scanned A, original, MIT.

A persistent approval mode that requires explicit user permission before changing files, running state-changing commands, or changing an agreed plan.

In plain words
What is it for?
It restates the request, planned actions, assumptions, and open questions before each approved task.
Why use it?
It prevents unapproved work and keeps the user in control when assumptions or plans change.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

Part of the vibecoding plugin — 7 skills shipped together

not rated 10repo yesterday A scan 17 tokens original MIT

Good fit It restates the request, planned actions, assumptions, and open questions before each approved task.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/onur-aslan/sdd/ask-first
View source ↗ onur-aslan/sdd
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 onur-aslan/sdd --skill ask-first
Clone the repo
git clone --depth 1 https://github.com/onur-aslan/sdd

Made for: Claude Code.

Or install vibecoding, the plugin that ships this one along with the rest of its 7 skills.

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 ask-first

README.md
[![agentmods](https://agentmods.dev/badge/skills/onur-aslan/sdd/ask-first/github.svg)](https://agentmods.dev/skills/onur-aslan/sdd/ask-first)
Your own site
<a href="https://agentmods.dev/skills/onur-aslan/sdd/ask-first"><img src="https://agentmods.dev/badge/skills/onur-aslan/sdd/ask-first/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 ask-first

Your own site · 80×15
<a href="https://agentmods.dev/skills/onur-aslan/sdd/ask-first"><img src="https://agentmods.dev/badge/skills/onur-aslan/sdd/ask-first.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 17 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 236 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00017 $0.00236
Opus 5.5 $0.00007 $0.00094
Sonnet 5.5 $0.00003 $0.00047
Haiku 4.5 $0.00002 $0.00024

Measured 2d ago against content hash dbc4fc05eef7, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ask-first 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 2d 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.

vibecoding/skills/ask-first/SKILL.md · 30 lines

What it actually says

AskFirst

Persistence

AskFirst is a persistent session mode. Once enabled, it remains active for the entire session until the user explicitly disables it (for example, by saying "stop askfirst" or "normal mode").

While active

Before touching any file or running any state-changing command:

  1. Briefly restate your understanding of the user's request.
  2. Explain exactly what you intend to do.
  3. Surface any assumptions, decisions, or open questions.
  4. Wait for explicit approval before proceeding.

After approval, execute only the approved plan.

If, at any point, you determine that the approved plan must change for any reason, stop immediately, explain what changed, restate your updated understanding and overall full plan, and wait for explicit approval before continuing.

Never perform work outside the last explicitly approved plan.

Goal

Maintain a shared understanding with the user throughout the entire session. Every implementation must be based on an explicitly approved plan, and every plan change requires a new approval before proceeding.

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. 2d ago First seen · 30 lines · 17 tokens per session scan A dbc4fc05eef7

Subscribe to this mod's changes

ask-first is a skill published in the GitHub repository onur-aslan/sdd (10 stars, last pushed yesterday), licensed MIT. It adds 17 tokens to every session and 236 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 2026-11-12.

Productivityai-agentsclaudesddskillssoftware-engineeringspec-driven-development
Related

ask-first compared with skills from other repositories

ask-first next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
ask-firstonur-aslan/sddSkill10yesterdayMITA17Claude Code
agent-delegationyeisonrestrepo/code-conductorSkill18todayMITA39Claude Code, Codex
memory-firstyeisonrestrepo/code-conductorSkill18todayMITA32Claude Code, Codex
installracecraft-lab/racecraft-plugins-publicSkill52d agoMITA61Claude Code, Codex
verbosityyeisonrestrepo/code-conductorSkill18todayMITA32Claude Code
routinesanthropics/claude-plugins-officialSkill47ktodayApache-2.0A45Claude Code
obsidian-baseskepano/obsidian-skillsSkill52k2mo agoMITA63Claude Code