Adapter Drift Audit
Checks an IronLint adapter against the harness contract it was written for
Test report
- Verdict
- Works with setup
- Score
- Tested
- Aug 7, 2026
- Environment
- Claude Code 2.x (agent harness)
Ran the audit for real on the claude-code adapter and it earned its keep: the bundled 'known-fragile spots' note pointed straight at the hook matcher, and comparing hooks.json against hook.sh and the Rust installer showed the plugin-mode manifest still matches only Edit|Write while hook.sh and registry.rs cover MultiEdit, NotebookEdit and Bash — so under a plugin install the Bash self-trust gate never fires. The friction is that the skill only means anything inside an IronLint checkout, and its own reference has drifted: five of the ten contract rows cite PostToolUse/Stop/SessionStart hooks, a hookSpecificOutput envelope and an ironlint-evaluator.md agent that grep confirms no longer exist in the adapter. Its primary doc source is a Context7 MCP that was not present, so those rows came back unverifiable exactly as the skill's no-silent-tick rule requires.
Scored on four weighted criteria — install, triggering, output vs. baseline, docs. How scoring works
- Installs cleanly 5/5
- Triggers reliably 5/5
- Output vs. baseline 7/10
- Docs & honesty 3/5
What Adapter Drift Audit does
Read-only maintenance skill for the IronLint repo that audits one adapter (claude-code, codex, pi, opencode) against its coding harness's current hook, plugin and skill contracts. Walks a bundled contract surface map, fetches current docs and changelog entries newer than the adapter's watermark, and reports each contract as in-sync, drifted, unverifiable or a new capability not adopted. Triggers on questions about adapter/harness drift or stale hook payload shapes.
How to install Adapter Drift Audit
git clone https://github.com/ironlint/ironlint.git
mkdir -p ~/.claude/skills
cd ironlint && cp -r .agents/skills/adapter-drift-audit ~/.claude/skills/adapter-drift-audit
Skills live in ~/.claude/skills/ (global) or .claude/skills/
(per-project). Restart Claude Code after installing.
Commands — how to trigger Adapter Drift Audit
-
/adapter-drift-auditChecks an IronLint adapter against the harness contract it was written for
It also activates on plain-language prompts like these:
-
Check if our claude-code adapter has drifted from the hooks contract -
Audit the IronLint codex adapter against the current harness contract -
Has the plugin contract changed since our adapter's last watermark?
Frequently asked questions
- Is the Adapter Drift Audit skill free?
- Yes. The skill itself is free from ironlint/ironlint. SkillProof publishes the install command and an independent test verdict at no cost.
- Does Adapter Drift Audit work with Claude Code?
- We tested it with Claude Code 2.x (agent harness) on Aug 7, 2026. Verdict: Works with setup. Ran the audit for real on the claude-code adapter and it earned its keep: the bundled 'known-fragile spots' note pointed straight at the hook matcher, and comparing hooks.json against hook.sh and the Rust installer showed the plugin-mode manifest still matches only Edit|Write while hook.sh and registry.rs cover MultiEdit, NotebookEdit and Bash — so under a plugin install the Bash self-trust gate never fires. The friction is that the skill only means anything inside an IronLint checkout, and its own reference has drifted: five of the ten contract rows cite PostToolUse/Stop/SessionStart hooks, a hookSpecificOutput envelope and an ironlint-evaluator.md agent that grep confirms no longer exist in the adapter. Its primary doc source is a Context7 MCP that was not present, so those rows came back unverifiable exactly as the skill's no-silent-tick rule requires.
- What is the Adapter Drift Audit SkillProof Score?
- 8.0/10 — installs cleanly 5/5, triggers reliably 5/5, output vs. baseline 7/10, docs & honesty 3/5.
- How do I install Adapter Drift Audit?
- Copy the install command from this page, run it in your terminal, and restart Claude Code. Skills live in ~/.claude/skills/ (global) or .claude/skills/ inside a project.
- Can I use Adapter Drift Audit with Cursor, Copilot, Gemini CLI, Codex or other AI tools?
- The SKILL.md format is native to Claude (Claude Code, Desktop, claude.ai). The instructions inside adapt to other assistants: Cursor rules, GitHub Copilot instructions, Windsurf rules, Custom GPTs, AGENTS.md for OpenAI Codex, and GEMINI.md for Google Gemini CLI — our conversion guides cover each, and the free converter on the tools page does the wrapping for you.