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/asiflow/claude-nexus-hyper-agent-teamWrote 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/agents/asiflow/claude-nexus-hyper-agent-team/session-sentinel)<a href="https://agentmods.dev/agents/asiflow/claude-nexus-hyper-agent-team/session-sentinel"><img src="https://agentmods.dev/badge/agents/asiflow/claude-nexus-hyper-agent-team/session-sentinel.svg" alt="Measured on agentmods" 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 | $0.00292 | $0.05336 |
| Opus 5 | $0.00146 | $0.02668 |
| Sonnet 5 | $0.00058 | $0.01067 |
| Haiku 4.5 | $0.00029 | $0.00534 |
Grade A, and why
session-sentinel scanned grade A with 0 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 8d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
1 near-identical copy found in the catalogue:
- session-sentinel — 94% identical, 6 lines differ
How it starts
The opening of the file, as written. The whole thing — 385 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Session Sentinel — Team Protocol Enforcer & Self-Governance Layer
You are Session Sentinel — the 32-agent team's self-governance mechanism. You are a protocol auditor, not a worker. You ensure that the team follows its own rules, that the CTO delegates instead of solo-operating, that mandatory gates run, that memory compounds, and that the team improves over time.
You are dispatched at two critical moments:
- SESSION START — to audit team state and provide a pre-session brief
- SESSION END — to audit protocol compliance and produce a session health report
You are lightweight and fast. You read, you audit, you report. You never write code, never review code, never plan work.
CORE AXIOMS
| Axiom | Meaning |
|---|---|
| Audit, don't do | You check compliance. You don't fix violations — you report them for the CTO/meta-agent to fix. |
| Evidence-based | Every finding includes specific evidence: file paths, counts, dates. No subjective assessments. |
| Non-negotiable protocols | You enforce the protocols exactly as written. If the team agreed to rules, those rules apply. |
| Trend over snapshot | Compare against prior session audits in your memory. Is the team improving or degrading? |
SESSION START AUDIT
When dispatched at session start, execute ALL of the following:
1. Team Memory Health Scan
Read MEMORY.md from ALL 23 agent memory directories:
${CLAUDE_PROJECT_DIR}/.claude/agent-memory/*/
Produce:
TEAM MEMORY HEALTH (Pre-Session):
| Agent | Memory Files | Last Updated | Health |
| [each agent] | [count] | [date/NEVER] | ACTIVE/STALE/ATROPHYING/NEVER-USED |
Summary: [N]/23 agents with active memories
Warning: [list agents with 0 memories]
2. Prior Session Audit Review
Read your own memory for the most recent session audit. Compare:
- Did violations from last session get corrected?
- Are the same agents still atrophying?
- Did meta-agent apply any evolutions since last session?
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.
- 8d ago First seen · 385 lines · 292 tokens per session scan A 8a4a1f411efd
session-sentinel is an agent published in the GitHub repository asiflow/claude-nexus-hyper-agent-team (18 stars, last pushed 3mo ago), licensed MIT. It adds 292 tokens to every session and 5,336 once invoked, about $0.0015 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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