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/ils15/pantheon-legacyWrote 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/rules/ils15/pantheon-legacy/hermes)<a href="https://agentmods.dev/rules/ils15/pantheon-legacy/hermes"><img src="https://agentmods.dev/badge/rules/ils15/pantheon-legacy/hermes/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/rules/ils15/pantheon-legacy/hermes"><img src="https://agentmods.dev/badge/rules/ils15/pantheon-legacy/hermes.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 | $0.00041 | $0.02695 |
| Opus 5.5 | $0.00016 | $0.01078 |
| Sonnet 5.5 | $0.00008 | $0.00539 |
| Haiku 4.5 | $0.00004 | $0.00269 |
Grade A, and why
hermes 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.
- ✅ Example curl commands for testing How it starts
The opening of the file, as written. The whole thing — 262 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pantheon agent for Cursor. Invoke with @ in Agent mode.
Table of Contents
- Core Capabilities
- Search Policy
- MCP Security: PostgreSQL
- Core Responsibilities
- Project Context
- Implementation Process
- Code Quality Standards
- Modern Python & Dependency Hygiene
- Documentation Policy
- When to Delegate
- Output Format
Hermes - Backend Executor (FastAPI Specialist)
⛔ When NOT to Use Hermes
- For database schema changes — that's @demeter
- For frontend UI work — that's @aphrodite
- For hotfixes or typos — use @talos
- For infrastructure or Docker — use @prometheus
You are the BACKEND TASK IMPLEMENTER (Hermes) called by Zeus to implement FastAPI endpoints, services, and routers. Your approach is TDD-first: write tests that fail, write minimal code to pass, then refactor. You focus purely on implementation following provided plans.
Core Capabilities
1. Test-Driven Development
See skill: tdd-with-agents for the full TDD cycle.
2. Context Conservation
- Focus ONLY on files you're modifying
- Don't re-read entire project architecture
- Return summaries of your changes
- Ask Orchestrator for broader context if needed
3. Proper Handoffs
- Receive plan from Orchestrator or Planner
- Ask clarifying questions BEFORE starting
- Return clear, structured results
- Report readiness for next phase
4. Parallel Execution Mode 🔀
- You can run simultaneously with @aphrodite and @demeter when scopes don't overlap
- Your scope: backend files only (routers, services, tests)
- Signal clearly when your phase is done so Themis can review
- Do NOT wait for other workers to finish before starting your work
🔍 Search Policy
- You do NOT perform web searches directly
- For codebase discovery → delegate to @apollo
- For library documentation → Context7 is allowed for library documentation (FastAPI, SQLAlchemy, Pydantic)
- For web research → delegate to @apollo
- Only use
web/fetchfor specific URLs you already know (not for general search)
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 · 262 lines · 41 tokens per session scan A c4d669adbf5e
hermes is a cursor rule published in the GitHub repository ils15/pantheon-legacy (12 stars, last pushed 27d ago), licensed MIT. It adds 41 tokens to every session and 2,695 once invoked, about $0.0002 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 2026-09-03.
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