Borrowing it
Nothing to install: this file belongs to cboone/agent-harness-plugins. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/cboone/agent-harness-plugins/main/.github/instructions/lint-and-fix.instructions.mdgit clone --depth 1 https://github.com/cboone/agent-harness-pluginsWrote 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/cboone/agent-harness-plugins/lint-and-fix)<a href="https://agentmods.dev/instructions/cboone/agent-harness-plugins/lint-and-fix"><img src="https://agentmods.dev/badge/instructions/cboone/agent-harness-plugins/lint-and-fix/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/instructions/cboone/agent-harness-plugins/lint-and-fix"><img src="https://agentmods.dev/badge/instructions/cboone/agent-harness-plugins/lint-and-fix.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 | $0.00244 | $0.00244 |
| Opus 5.5 | $0.00098 | $0.00098 |
| Sonnet 5.5 | $0.00049 | $0.00049 |
| Haiku 4.5 | $0.00024 | $0.00024 |
Grade A, and why
agent-harness-plugins lint-and-fix.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 25d 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
Lint and fix review instructions
For repository-wide conventions, see the general Copilot instructions.
- A documented command runs verbatim, and is never expanded into its constituent commands. A project narrows a lint invocation on purpose, so rewriting an aggregate entry point such as
make lintornpm run lintinto the steps it wraps substitutes the skill's reconstruction for the project's own, which is the failure the documented-command precedence exists to prevent. Do not propose expanding, decomposing, or partially replacing a documented command. - A downgrade does not mean running the same command in a different mode. Under the No-Write Rule a downgraded tool runs only a command whose check-only behavior is established, and where none exists it is recorded as
check-only (no safe check command)and nothing runs. An aggregate command that wraps a forbidden fixer therefore does not execute, so it is not evidence that the prohibition can be bypassed. Do not report a wrapper as an escape from a prohibition on that premise.
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.
- 25d ago First seen · 11 lines · 244 tokens per session scan A 425ab0d6d866
agent-harness-plugins lint-and-fix.instructions.md is an instructions file published in the GitHub repository cboone/agent-harness-plugins (2 stars, last pushed 2d ago), licensed MIT. It adds 244 tokens to every session, about $0.0010 per session on Opus 5.5. 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 2026-09-21.
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