ccl-verify-skills

ccl-verify-skills is a command for Claude Code, OpenCode from ccoalm/ccl-skills. It costs 9 tokens per session (792 once invoked), scanned C, original, Apache-2.0.

A repository verification command for checking CCL skills and whether OpenCode can discover local skills. OpenCode is a coding-agent tool that can load instructions from a project.

In plain words
What is it for?
Use it to validate installation scripts, inspect skill configuration, check repository formatting, and test local skill discovery in an isolated temporary home directory.
Why use it?
It catches invalid scripts, malformed configuration, formatting problems, and discovery failures before they are mistaken for working setup.

Command for Claude CodeOpenCode

Written for Claude Code and OpenCode: shipped in a Claude Code plugin, but also installed under .opencode/. Also seen: mentions OpenCode.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is bash skills/skill-extraction-workflow/scripts/check-ccl-skills.sh ..

Part of the ccl-skills plugin — 33 skills, 4 commands, 7 hooks shipped together

Good fit Use it to validate installation scripts, inspect skill configuration, check repository formatting, and test local skill discovery in an isolated temporary home directory.

Compare 6 commands from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/ccoalm/ccl-skills
agentmods
npx agentmods add commands/ccoalm/ccl-skills/ccl-verify-skills

Made for: Claude Code, OpenCode.

Or install ccl-skills, the plugin that ships this one along with the rest of its 33 skills, 4 commands, 7 hooks.

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 ccl-verify-skills

README.md
[![agentmods](https://agentmods.dev/badge/commands/ccoalm/ccl-skills/ccl-verify-skills/github.svg)](https://agentmods.dev/commands/ccoalm/ccl-skills/ccl-verify-skills)
Your own site
<a href="https://agentmods.dev/commands/ccoalm/ccl-skills/ccl-verify-skills"><img src="https://agentmods.dev/badge/commands/ccoalm/ccl-skills/ccl-verify-skills/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 ccl-verify-skills

Your own site · 80×15
<a href="https://agentmods.dev/commands/ccoalm/ccl-skills/ccl-verify-skills"><img src="https://agentmods.dev/badge/commands/ccoalm/ccl-skills/ccl-verify-skills.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 9 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 792 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 2 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 $0.00009 $0.00792
Opus 5 $0.00005 $0.00396
Sonnet 5 $0.00002 $0.00158
Haiku 4.5 $0.00001 $0.00079

Measured 12d ago against content hash 12fe2a2fbf4a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade C, and why

ccl-verify-skills scanned grade C with 2 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 12d 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.

Recursive force deletehighDestructive command

rm -rf with a variable or a broad path is one typo away from removing the wrong tree.

rm -rf "$tmp_home" "$skills_json"

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

import urllib.parse
.opencode/commands/ccl-verify-skills.md · 91 lines

What it actually says

Verify the CCL skills repository and OpenCode discovery state.

Run these checks from the repository root:

bash -n scripts/install.sh && bash -n scripts/install-opencode.sh
python3 -m json.tool opencode.json >/dev/null
git diff --check
bash skills/skill-extraction-workflow/scripts/check-ccl-skills.sh .
tmp_home=$(mktemp -d)
skills_json=$(mktemp)
real_home=${HOME:-}
HOME="$tmp_home" OPENCODE_DISABLE_EXTERNAL_SKILLS=1 opencode debug skill > "$skills_json"
HOME="$tmp_home" REAL_HOME="$real_home" SKILLS_JSON="$skills_json" python3 - <<'PY'
import json
import os
import urllib.parse
from pathlib import Path


def parse_frontmatter_name(path):
    lines = path.read_text(encoding='utf-8').splitlines()
    if not lines or lines[0].strip() != '---':
        return None
    for line in lines[1:]:
        if line.strip() == '---':
            return None
        if line.startswith('name:'):
            return line.split(':', 1)[1].strip().strip('"\'') or None
    return None


def location_path(value):
    text = str(value or '')
    if text.startswith('file://'):
        return Path(urllib.parse.unquote(urllib.parse.urlparse(text).path)).resolve()
    return Path(text).resolve() if text else None


repo = Path.cwd().resolve()
skills_root = repo / 'skills'
expected = {}
for skill_file in sorted(skills_root.glob('*/SKILL.md')):
    dirname = skill_file.parent.name
    fm_name = parse_frontmatter_name(skill_file)
    if fm_name and fm_name != dirname:
        raise AssertionError(f'frontmatter name mismatch: {skill_file}: name={fm_name!r} dir={dirname!r}')
    expected[dirname] = skill_file.resolve()

skills = json.load(open(os.environ['SKILLS_JSON'], encoding='utf-8'))
actual = {}
for item in skills:
    loc = location_path(item.get('location'))
    if not loc:
        continue
    try:
        loc.relative_to(skills_root.resolve())
    except ValueError:
        continue
    name = item.get('name') or (loc.parent.name if loc.name == 'SKILL.md' else None)
    if name:
        actual[str(name)] = loc

expected_names = set(expected)
actual_names = set(actual)
missing = sorted(expected_names - actual_names)
extra = sorted(actual_names - expected_names)
print('expected_local_skill_count=', len(expected_names))
print('actual_local_skill_count=', len(actual_names))
print('missing_local_skills=', ','.join(missing) or '<none>')
print('extra_local_skills=', ','.join(extra) or '<none>')
if missing or extra:
    raise AssertionError({'missing': missing, 'extra': extra, 'actual': sorted(actual_names), 'expected': sorted(expected_names)})

real_home = os.environ.get('REAL_HOME')
if real_home:
    global_root = Path(real_home).expanduser() / '.config' / 'opencode' / 'skills'
    duplicates = sorted(name for name in expected_names if (global_root / name / 'SKILL.md').exists())
    if duplicates:
        print('warning_global_skill_snapshots=', ','.join(duplicates))
        print('warning_global_skill_snapshots_note=these are independent installed snapshots; repo development should trust this isolated local verify. To refresh global OpenCode skills, run install/update and restart OpenCode.')
PY
rm -rf "$tmp_home" "$skills_json"

Report pass/fail honestly. Do not claim OpenCode support is verified if any command fails.

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. 12d ago First seen · 91 lines · 9 tokens per session scan C 12fe2a2fbf4a

Subscribe to this mod's changes

ccl-verify-skills is a command published in the GitHub repository ccoalm/ccl-skills (6 stars, last pushed today), licensed Apache-2.0. It adds 9 tokens to every session and 792 once invoked, about $0.0000 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.