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 rules/pekral/cursor-rules/filamentgit clone --depth 1 https://github.com/pekral/cursor-rulesWhat 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 | $0.00000 | $0.00313 |
| Opus 5 | $0.00000 | $0.00156 |
| Sonnet 5 | $0.00000 | $0.00063 |
| Haiku 4.5 | $0.00000 | $0.00031 |
Grade A, and why
filament 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 yesterday.
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
Resources
- Generate smoke tests for every Filament Resource.
- When changing a Resource, add or update tests and ensure they pass.
- Do not add a View page or Infolist unless explicitly requested.
- Use
Resource::getUrl('index')with the exact Resource class.
Enums
- When enums back model fields, prefer implementing
HasLabel,HasColor, andHasIconwhere useful. - Use enum instances instead of hardcoded strings when an enum already exists.
- Do not append
->valuewhen defining enum defaults unless truly required. - Match Filament interface return types exactly.
Actions and Forms
- Use
->authorize('ability')on actions. - Do not use
Gate::authorize()orGate::allows()manually inside Filament actions. - In Filament v4, do not specify
ignoreRecord: trueforunique()when it is already the default. - Use
->schema()instead of deprecated->form()on actions and filters. - Use
->mutateDataUsing()instead of deprecated->mutateFormDataUsing().
UI
- Use
Filament\\Support\\Icons\\Heroiconfor icons instead of raw strings. - For custom Blade files with Tailwind, create and register a custom theme.
Testing
- Use
Livewire::test(...), notlivewire(...).
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.
- yesterday First seen · 31 lines · 0 tokens per session scan A b3643a719596
filament is a cursor rule published in the GitHub repository pekral/cursor-rules (6 stars, last pushed 6d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 313 tokens. 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.
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