migrate

migrate is a skill for Claude Code, Codex from rvdbreemen/adr-kit. It costs 23 tokens per session (218 once invoked), scanned A, original, MIT.

A procedure for previewing or applying migrations of Architecture Decision Records (ADRs) between formats such as MADR, Nygard, and a legacy format.

In plain words
What is it for?
Use it to plan, preview, selectively enrich, convert, check, and lint ADR files. Applying changes requires explicit confirmation.
Why use it?
It lets teams inspect planned document changes before applying them and helps preserve text, metadata, history, links, and enforcement details.

Skill for Claude CodeCodex

Part of the adr-kit plugin — 17 skills, 1 command, 1 agent, 6 hooks, 1 MCP server shipped together

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/rvdbreemen/adr-kit/migrate
Any agent
npx skills add rvdbreemen/adr-kit --skill migrate
Clone the repo
git clone --depth 1 https://github.com/rvdbreemen/adr-kit

Made for: Claude Code, Codex.

Or install adr-kit, the plugin that ships this one along with the rest of its 17 skills, 1 command, 1 agent, 6 hooks, 1 MCP server.

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 migrate

README.md
[![agentmods](https://agentmods.dev/badge/skills/rvdbreemen/adr-kit/migrate.svg)](https://agentmods.dev/skills/rvdbreemen/adr-kit/migrate)
Your own site
<a href="https://agentmods.dev/skills/rvdbreemen/adr-kit/migrate"><img src="https://agentmods.dev/badge/skills/rvdbreemen/adr-kit/migrate.svg" alt="Measured on agentmods" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 218 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 5.1 $0.00023 $0.00218
Opus 5 $0.00012 $0.00109
Sonnet 5 $0.00005 $0.00044
Haiku 4.5 $0.00002 $0.00022

Measured 5d ago against content hash 0785b9a3f26f, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

migrate 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.

codex/skills/migrate/SKILL.md · 20 lines

What it actually says

Migrate ADRs

Invoke explicitly with $adr-kit:migrate when needed. Resolve <plugin-root> from this installed skill. Use only bundled, local ADR Kit tools and follow this canonical workflow:

  1. Run adr-migrate --plan first, then show --dry-run output.
  2. For selective-context enrichment, run adr-migrate --suggest-retrieval --dry-run; make clear that candidates are read-only and require human approval.
  3. Use --to-profile madr by default; support nygard and canonical, and apply only after explicit confirmation.
  4. Preserve prose, frontmatter, history, links, references, and enforcement; verify with --check and lint.

Do not contact another model or mutate user-owned instructions.

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 · 20 lines · 23 tokens per session scan A 0785b9a3f26f

Subscribe to this mod's changes

migrate is a skill published in the GitHub repository rvdbreemen/adr-kit (6 stars, last pushed 8d ago), licensed MIT. It adds 23 tokens to every session and 218 once invoked, about $0.0001 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 2026-08-31.

Related

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