Anomaly Alert
Anomaly Alert is an agent skill (a SKILL.md file) from hoangsonww/Claude-Code-Agent-Monitor. Identify anomalous sessions using Agent Monitor data — cost outliers from the pricing engine, token anomalies (cache miss spikes, compaction baseline surges), unusual event type ratios. It works with Claude Code, Codex and Cursor and has 1,118 GitHub stars.
Data as of from the GitHub API; description from the skill's SKILL.md. Report an error
- Plugin marketplace
- Data & analysis
- Active
Add this skill
Claude
This repository is a Claude Code plugin marketplace. In Claude Code:
/plugin marketplace add hoangsonww/Claude-Code-Agent-Monitor
/plugin install ccam-insights@claude-code-agent-monitor-pluginsIn the Claude apps, zip the anomaly-alert folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).
ChatGPT / Codex
Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:
git clone --depth 1 https://github.com/hoangsonww/Claude-Code-Agent-Monitor.git
cp -r Claude-Code-Agent-Monitor/plugins/ccam-insights/skills/anomaly-alert .agents/skills/anomaly-alert # repo; ~/.agents/skills for all projectsStandalone skills also load in the ChatGPT desktop app.
Cursor
Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:
git clone --depth 1 https://github.com/hoangsonww/Claude-Code-Agent-Monitor.git
cp -r Claude-Code-Agent-Monitor/plugins/ccam-insights/skills/anomaly-alert .cursor/skills/anomaly-alert # project; ~/.cursor/skills for all projectsSource (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)
What this skill does
Identify anomalous sessions using Agent Monitor data — cost outliers from the pricing engine, token anomalies (cache miss spikes, compaction baseline surges), unusual event type ratios (PreToolUse/PostToolUse gaps, APIError clusters), behavioral deviations from workflow intelligence (complexity score outliers, error propagation anomalies), and sessions with abnormal metadata (extreme turncount, high thinkingblocks, zero turn_duration). Detect anomalous sessions in Claude Code Agent Monitor data.
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How do I install the Anomaly Alert skill?
In Claude Code, run /plugin marketplace add hoangsonww/Claude-Code-Agent-Monitor and then /plugin install ccam-insights@claude-code-agent-monitor-plugins. For Codex or Cursor, copy the anomaly-alert folder into .agents/skills/ or .cursor/skills/.
Is the Anomaly Alert skill free?
Yes. The repository is open source under the MIT license.
Is Anomaly Alert maintained?
The repository's most recent commit was on Oct 23, 2026. Its latest release is v2.4.5. appsgit only lists skills from repositories with a commit in the last six months.