speckit-companion-drift

speckit-companion-drift is a skill for Claude Code from alfredoperez/speckit-companion. It costs 0 tokens per session (31 once invoked), scanned A, a copy of speckit-companion-auto, MIT.

A workflow skill for detecting drift in a Spec Kit companion process.

In plain words
What is it for?
Use it when checking whether implementation has diverged from the specification or plan.
Why use it?
It helps identify when the current work may no longer match the intended project direction.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Good fit Use it when checking whether implementation has diverged from the specification or plan.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/alfredoperez/speckit-companion/speckit-companion-drift
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 alfredoperez/speckit-companion --skill speckit-companion-drift
Clone the repo
git clone --depth 1 https://github.com/alfredoperez/speckit-companion

Made for: Claude Code.

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 speckit-companion-drift

README.md
[![agentmods](https://agentmods.dev/badge/skills/alfredoperez/speckit-companion/speckit-companion-drift/github.svg)](https://agentmods.dev/skills/alfredoperez/speckit-companion/speckit-companion-drift)
Your own site
<a href="https://agentmods.dev/skills/alfredoperez/speckit-companion/speckit-companion-drift"><img src="https://agentmods.dev/badge/skills/alfredoperez/speckit-companion/speckit-companion-drift/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 speckit-companion-drift

Your own site · 80×15
<a href="https://agentmods.dev/skills/alfredoperez/speckit-companion/speckit-companion-drift"><img src="https://agentmods.dev/badge/skills/alfredoperez/speckit-companion/speckit-companion-drift.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 31 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 86% copy Near-identical to another mod 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 $0.00000 $0.00031
Opus 5 $0.00000 $0.00015
Sonnet 5 $0.00000 $0.00006
Haiku 4.5 $0.00000 $0.00003

Measured 9d ago against content hash 72ac1691d415, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

speckit-companion-drift 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 9d 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

This is a copy

86% identical to speckit-companion-auto — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

examples/todo-living-central/.claude/skills/speckit-companion-drift/SKILL.md · 1 lines

What it actually says

../../../.specify/extensions/companion/.specify-dev/agent-commands/claude/speckit-companion-drift/SKILL.md

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. 9d ago First seen · 1 lines · 0 tokens per session scan A 72ac1691d415

Subscribe to this mod's changes

speckit-companion-drift is a skill published in the GitHub repository alfredoperez/speckit-companion (90 stars, last pushed today), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 31 tokens. A static security scan graded it A with 0 findings. It is 86% identical to speckit-companion-auto, differing in 2 lines, and is treated as a copy.

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