Claude Code Skills Marketplace is a collection and marketplace of skills, plugins, agents, and instructions that extend Claude Code with specialized development workflows. It is for developers who want to install existing workflows or create, validate, and package their own Claude Code skills.
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.
npx skills add daymade/claude-code-skills --skill gangtise-copilotgit clone --depth 1 https://github.com/daymade/claude-code-skillsWrote 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.
[](https://agentmods.dev/skills/daymade/claude-code-skills/gangtise-copilot)<a href="https://agentmods.dev/skills/daymade/claude-code-skills/gangtise-copilot"><img src="https://agentmods.dev/badge/skills/daymade/claude-code-skills/gangtise-copilot/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.
<a href="https://agentmods.dev/skills/daymade/claude-code-skills/gangtise-copilot"><img src="https://agentmods.dev/badge/skills/daymade/claude-code-skills/gangtise-copilot.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket warn
- Snyk fail
- NVIDIA SkillSpector warn
SkillSpector: 4 findings, up to medium
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- medium Rogue Agent · line 26 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium Data Exfiltration · line 29 Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.Fix: Verify the destination URL is trusted and necessary. Remove or replace with documented APIs. Ensure no secrets, tokens, or PII are transmitted.
- medium Agent Snooping · line 78 Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.Fix: Remove all code or instructions that list or read other skills' files or directories. Skills should operate independently; cross-skill access is a privilege escalation.
- medium Rogue Agent · line 254 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00090 | $0.05647 |
| Opus 5 | $0.00045 | $0.02823 |
| Sonnet 5 | $0.00018 | $0.01129 |
| Haiku 4.5 | $0.00009 | $0.00565 |
Grade A, and why
gangtise-copilot scanned grade A with 1 finding 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 yesterday.
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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
import urllib.request, json, base64, os How it starts
The opening of the file, as written. The whole thing — 371 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Gangtise Copilot
One-command installer, credential configurator, and diagnostic layer for the full Gangtise (岗底斯投研) OpenAPI skill suite.
🚀 One-shot installation (complete flow)
This is the only section you need to read to go from zero to fully working Gangtise. Follow steps in order.
Step 1 — Download this skill to your agent's skills directory
Primary method (git clone):
git clone --depth 1 https://github.com/daymade/claude-code-skills.git /tmp/gangtise-repo
cp -r /tmp/gangtise-repo/daymade-financial/gangtise-copilot <your-agent-skills-dir>/
Fallback method (when git clone times out or is unavailable — use GitHub API directly):
# Python one-liner to download and write any file from GitHub:
import urllib.request, json, base64, os
def fetch_github_file(repo_path, local_path):
url = f"https://api.github.com/repos/daymade/claude-code-skills/contents/{repo_path}"
req = urllib.request.Request(url, headers={"User-Agent": "Mozilla/5.0"})
d = json.loads(urllib.request.urlopen(req, timeout=20).read())
content = base64.b64decode(d["content"]).decode("utf-8")
os.makedirs(os.path.dirname(local_path), exist_ok=True)
open(local_path, "w").write(content)
return len(content)
# Download all files:
for path, local in [
("daymade-financial/gangtise-copilot/SKILL.md", "<skills-dir>/gangtise-copilot/SKILL.md"),
("daymade-financial/gangtise-copilot/scripts/install_gangtise.sh", "<skills-dir>/gangtise-copilot/scripts/install_gangtise.sh"),
("daymade-financial/gangtise-copilot/scripts/configure_auth.sh", "<skills-dir>/gangtise-copilot/scripts/configure_auth.sh"),
("daymade-financial/gangtise-copilot/scripts/diagnose.sh", "<skills-dir>/gangtise-copilot/scripts/diagnose.sh"),
("daymade-financial/gangtise-copilot/scripts/classify_response.py", "<skills-dir>/gangtise-copilot/scripts/classify_response.py"),
("daymade-financial/gangtise-copilot/references/installation_flow.md", "<skills-dir>/gangtise-copilot/references/installation_flow.md"),
("daymade-financial/gangtise-copilot/references/credentials_setup.md", "<skills-dir>/gangtise-copilot/references/credentials_setup.md"),
("daymade-financial/gangtise-copilot/references/skill_registry.md", "<skills-dir>/gangtise-copilot/references/skill_registry.md"),
("daymade-financial/gangtise-copilot/references/known_issues.md", "<skills-dir>/gangtise-copilot/references/known_issues.md"),
("daymade-financial/gangtise-copilot/references/best_practices.md", "<skills-dir>/gangtise-copilot/references/best_practices.md"),
("daymade-financial/gangtise-copilot/config-template/authorization.json.example", "<skills-dir>/gangtise-copilot/config-template/authorization.json.example"),
]:
size = fetch_github_file(path, local)
print(f"OK {path} → {local} ({size} bytes)")
What ships with it
12 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- config-template/authorization.json.example 958 B
- references/best_practices.md 10 KB
- references/credentials_setup.md 8.3 KB
- references/installation_flow.md 13 KB
- references/known_issues.md 24 KB
- references/skill_registry.md 15 KB
- scripts/classify_response.py 3.6 KB runs code
- scripts/configure_auth.sh 12 KB runs code
- scripts/diagnose.sh 15 KB runs code
- scripts/install_gangtise.sh 17 KB runs code
- tests/README.md 450 B
- tests/test_classify_response.py 2.5 KB runs code
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.
- yesterday Changed · +1 lines 75d13452e553
- 10d ago First seen · 370 lines · 90 tokens per session scan A 92a94de5df78
gangtise-copilot is a skill published in the GitHub repository daymade/claude-code-skills (1,385 stars, last pushed today), licensed MIT. It adds 90 tokens to every session and 5,647 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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