Claude Code Agent Monitor is a dashboard that records and displays activity from Claude Code and Codex coding-agent sessions, including tool use and subagent coordination. It is for people who need live visibility into agent work through a web interface or native desktop app. The catalogue entries extend Claude Code with skills, commands, agents, plugins, instructions, hooks, and settings related to the monitor.
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.
git clone --depth 1 https://github.com/hoangsonww/Claude-Code-Agent-MonitorWrote 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/commands/hoangsonww/claude-code-agent-monitor/top-spenders)<a href="https://agentmods.dev/commands/hoangsonww/claude-code-agent-monitor/top-spenders"><img src="https://agentmods.dev/badge/commands/hoangsonww/claude-code-agent-monitor/top-spenders/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/commands/hoangsonww/claude-code-agent-monitor/top-spenders"><img src="https://agentmods.dev/badge/commands/hoangsonww/claude-code-agent-monitor/top-spenders.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00013 | $0.00245 |
| Opus 5.5 | $0.00005 | $0.00098 |
| Sonnet 5.5 | $0.00003 | $0.00049 |
| Haiku 4.5 | $0.00001 | $0.00024 |
Grade A, and why
top-spenders 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 1mo 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl -s "http://localhost:4820/api/sessions?limit=200" What it actually says
List the most expensive Claude Code sessions from the Agent Monitor dashboard.
N = $ARGUMENTS (default 10 if empty).
Fetch the session list (each session carries an inline cost field from bulk pricing):
curl -s "http://localhost:4820/api/sessions?limit=200"
Then:
- Sort sessions by
costdescending. - Print the top
Nas a numbered list, one line each:<rank>. $<cost to 4dp> — <model> — <cwd basename or id> — <started_at> - After the list, print the summed cost of the top N and what percent that is of the summed cost of all returned sessions.
Currency as USD to 4 decimal places. Skip sessions with no/zero cost only if it would otherwise pad the list past meaningful entries — otherwise include them. Keep it terse, no extra commentary.
If the dashboard is unreachable, tell the user to start it with npm start from the repo root.
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.
- 1mo ago First seen · 26 lines · 13 tokens per session scan A 4049f45bbbf6
top-spenders is a command published in the GitHub repository hoangsonww/Claude-Code-Agent-Monitor (1,124 stars, last pushed 4d ago), licensed MIT. It adds 13 tokens to every session and 245 once invoked, about $0.0001 per session on Opus 5.5. 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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fix-pr-comments
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amend
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