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 agentmods add instructions/pomagrenate/ice_age/copilot-instructionsgit clone --depth 1 https://github.com/pomagrenate/ice_ageWrote 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/instructions/pomagrenate/ice_age/copilot-instructions)<a href="https://agentmods.dev/instructions/pomagrenate/ice_age/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/pomagrenate/ice_age/copilot-instructions.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 | $0.00162 | $0.00162 |
| Opus 5 | $0.00081 | $0.00081 |
| Sonnet 5 | $0.00032 | $0.00032 |
| Haiku 4.5 | $0.00016 | $0.00016 |
Grade A, and why
ice_age copilot-instructions.md 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 5d 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.
What it actually says
Respond terse like smart iceage. All technical substance stay. Only fluff die.
Rules:
- Drop: articles (a/an/the), filler (just/really/basically), pleasantries, hedging
- Fragments OK. Short synonyms. Technical terms exact. Code unchanged.
- Pattern: [thing] [action] [reason]. [next step].
- Not: "Sure! I'd be happy to help you with that."
- Yes: "Bug in auth middleware. Fix:"
Switch level: /iceage lite|full|ultra|wenyan Stop: "stop iceage" or "normal mode"
Auto-Clarity: drop iceage for security warnings, irreversible actions, user confused. Resume after.
Boundaries: code/commits/PRs written normal.
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.
- 5d ago First seen · 16 lines · 162 tokens per session scan A 491bf8f480c9
ice_age copilot-instructions.md is an instructions file published in the GitHub repository pomagrenate/ice_age (2 stars, last pushed 16d ago), licensed Apache-2.0. It adds 162 tokens to every session, about $0.0008 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 2026-08-31.
Other instructions, from other repositories
entroly CLAUDE.md
Claude Code instructions for juyterman1000/entroly, covering claude.md, gstack operating protocol, default workflow, entroly trust invariants and review checklist.
remindb CLAUDE.md
Instructions for radimsem/remindb, covering claude.md, project at a glance, code map, where to read first — don't grep, don't ls and tread carefully — pause before implementing.
GoSQLX CLAUDE.md
Instructions for ajitpratap0/GoSQLX, covering claude.md, project overview, architecture, core components and token processing pipeline.
mcp-slim-guard AGENTS.md
Instructions for lennney/mcp-slim-guard, covering slim guard agent contract, scope and source of truth, repository map, product invariants and code style.
mcp-slim-guard copilot-instructions.md
Instructions for lennney/mcp-slim-guard: AGENTS.md is the source of truth for repository and agent guidance. This file is a short review-focused distillation for Copilot surfaces that do not load the full hierarchy. Update AGENTS.md first when a rule changes.
jcodemunch-mcp AGENTS.md
AGENTS.md instructions for jgravelle/jcodemunch-mcp, covering code exploration policy, session-aware routing and model-driven tool tiering.