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/phil65/llmling/copilot-instructionsgit clone --depth 1 https://github.com/phil65/LLMlingWhat 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 | $0.00140 | $0.00140 |
| Opus 5 | $0.00070 | $0.00070 |
| Sonnet 5 | $0.00028 | $0.00028 |
| Haiku 4.5 | $0.00014 | $0.00014 |
Grade A, and why
LLMling 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 2d 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.
This is a copy
100% identical to agentpool copilot-instructions.md — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
Code style
You can assume Python 3.13. Use newest language features if possible Consider using pattern matching, walrus operators and other new syntax features. Adhere to pep8.
Tests
Tests are written using PyTest. Dont put tests into a class.
DocStrings
DocStrings are written in google-style. Dont add the types to the "Args" section. Only add a Return section if a value is returned and the meaning of the returned value is not obvious. You can use markdown admonitions with python-markdown syntax if neccessary (!!! info, !!! note, !!! warning). You can use markdown tables and markdown lists if neccessary.
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.
- 2d ago First seen · 20 lines · 140 tokens per session scan A cdca7cc563a1
LLMling copilot-instructions.md is an instructions file published in the GitHub repository phil65/LLMling (19 stars, last pushed 8mo ago), licensed MIT. It adds 140 tokens to every session, about $0.0007 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to agentpool copilot-instructions.md, differing in 0 lines, and is treated as a copy.
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