adversarial-verify
Review a diff against the goal spec assuming the code is BROKEN.
Skill by Archive228
Chalk Labs
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Install
Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.
npx agentmarket install skill/archive228-adversarial-verify
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
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About
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Permissions
What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.
- Tools
- No tools found
- Secrets
- None asked for
- Install scripts
- None found
Network hosts it talks to 1
codeload.github.com· found in install command
Files it touches
~/.claude/skills/adversarial-verify
What's inside
- Skill name
adversarial-verify- Description
- Review a diff against the goal spec assuming the code is BROKEN. The reviewer that lives in the maker's head always agrees with itself — this pulls review into a hostile, separate pass. Invoke after every code change before marking work done.
- License
- MIT
- Instructions
- 33 lines in SKILL.md · view on GitHub
Files (1)
- SKILL.md
SKILL.md (first lines)
# Adversarial Verify
Default stance: **the code is broken until proven otherwise.** Your job is to find where.
Do not be polite. Do not propose fixes. Do not run the code. Just hunt.
## Read first
- The goal spec (PROMPT.md / the task). What does "done" actually require?
- The diff. Every changed line.
## The 11 shortcuts agents take to fake "done" — check each
1. **Relaxed tests** — assertions weakened or deleted to make red go green.
2. **Swallowed errors** — try/except that hides the failure instead of handling it.
3. **Fake renames** — a function "fixed" by renaming, behavior unchanged.
4. **Stub returns** — hardcoded return values that pass the one test, fail everything else.
5. **Comment-as-fix** — the bug is now a TODO.
6. **Happy-path only** — 500s, empty inputs, missing files unhandled.
7. **Scope creep** — changes unrelated to the goal ("while I was in there").
8. **Invented API** — a method/param that doesn't exist in the actual source.
9. **Silent decision** — an architectural choice (schema, auth) made without flagging it.
10. **Pass-by-mock** — the test mocks the exact thing it claims to verify.
11. **Off-spec done** — code works, tests pass, but solves a goal that isn't the one asked.
## Output (JSON, no prose)
```json
{"passes": false, "failures": [{"line": 42, "shortcut": "swallowed errors", "why": "..."}]}
```
If it genuinely passes, say so in one line. Most of the time, it doesn't.From Archive228/loopkit, MIT.
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- 0.701score
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Cache the parts of the prompt that don't change so a long-running loop stops paying full price on every turn.
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Escalate blocked runs to a human via configured channel or fallback to BLOCKED.md and exit the loop.
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Get JSON out of the model reliably.
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feature-list-json
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Enumerate every end-to-end feature as strict JSON entries with passes:false, editable-passes-only discipline, and priority order.
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pdf-ingestion
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Get a PDF into the model without blowing the context window or losing structure.
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planner-spec-expand
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Expand a 1-4 sentence product brief into a full spec with a design language, acceptance surface, and an ordered feature list.
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broken-window-check
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Before picking new work, smoke-test the last "completed" feature.
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init-script-contract
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Author idempotent init.sh under 120s plus sibling test.sh, stop.sh, reset.sh, serve.sh with fixed names the harness relies on.
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active-memory-reminder
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Before compaction Loopkit extracts decisions into claude-decisions.json (machine-readable).
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eval-harness
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Build a repeatable eval loop that grades agent output with an LLM judge, so prompt/skill changes get scored against a baseline instead of eyeballed.
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evaluator-calibration
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Calibrate a reviewer persona with few-shot rubric examples so skepticism stays consistent and doesn't drift lenient over long runs.
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Signals
- Stars
- 755
- Forks
- 124
- Open issues
- 0
- Last commit (this folder)
- Jun 29, 2026 (4 months ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/Archive228/loopkit
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
- Source
- GitHubgithub-graphql
More from Archive228
- 0.701score
structured-output
Archive228
Get JSON out of the model reliably.
SkillCFreshness: C★ 755Claude Code +9 - 0.701score
using-loopkit
Archive228
Use when starting any conversation in a loopkit-enabled project - establishes how to find and use loopkit's 49 skills, requiring skill invocation before ANY…
SkillCFreshness: C★ 755Claude Code +9 - 0.701score
hitl-escalate
Archive228
Escalate blocked runs to a human via configured channel or fallback to BLOCKED.md and exit the loop.
SkillCFreshness: C★ 755Claude Code +9 - 0.701score
prompt-caching
Archive228
Cache the parts of the prompt that don't change so a long-running loop stops paying full price on every turn.
SkillCFreshness: C★ 755Claude Code +9 - 0.698score
eval-harness
Archive228
Build a repeatable eval loop that grades agent output with an LLM judge, so prompt/skill changes get scored against a baseline instead of eyeballed.
SkillCFreshness: C★ 755Claude Code +9 - 0.698score
active-memory-reminder
Archive228
Before compaction Loopkit extracts decisions into claude-decisions.json (machine-readable).
SkillCFreshness: C★ 755Claude Code +9
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Cite this page
adversarial-verify skill. Agent Mart. https://agentmart.dev/skills/archive228-adversarial-verify (last updated 2026-10-24)