Borrowing it
Nothing to install: this file belongs to vanillagreencom/kendex. 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/vanillagreencom/kendex/main/.agents/skills/doc-limits/SKILL.mdgit clone --depth 1 https://github.com/vanillagreencom/kendexWrote 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/skills/vanillagreencom/kendex/doc-limits)<a href="https://agentmods.dev/skills/vanillagreencom/kendex/doc-limits"><img src="https://agentmods.dev/badge/skills/vanillagreencom/kendex/doc-limits.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 | $0.00022 | $0.00339 |
| Opus 5 | $0.00011 | $0.00169 |
| Sonnet 5 | $0.00004 | $0.00068 |
| Haiku 4.5 | $0.00002 | $0.00034 |
Grade C, and why
doc-limits scanned grade C 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 today.
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.
Hidden instructionshighPrompt injection
Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.
<!-- kendex:project-instructions:start --> What it actually says
Project Instructions
Problems with a kendex-owned skill go through kendex report; check ownership in the file first.
Doc Limits
Run the document byte-ceiling check before review and in CI. The commit-guards pre-commit chain uses the staged mode.
.agents/skills/doc-limits/scripts/doc-limits
.agents/skills/doc-limits/scripts/doc-limits --staged
Split an over-limit document at a natural seam, move detail to a linked reference, or delete content the code or another document already states. A document that must stay whole gets a row in the configured excludes file with its reason. Class selection and the exclusion format are references/policy.md. Flags, settings and exit codes are in doc-limits --help.
What ships with it
9 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
- DEVELOPMENT.md 1.4 KB
- README.md 1.3 KB
- references/policy.md 2.5 KB
- scripts/doc-limits 14 KB
- scripts/lib/settings.sh 17 KB runs code
- tests/generated-paths.test.sh 3.6 KB runs code
- tests/settings-and-config.test.sh 3.7 KB runs code
- tests/shipped-defaults.test.sh 3.7 KB runs code
- tests/staged-scope.test.sh 2.9 KB runs code
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.
- today Changed · +2 lines 13e6f833eca5
- yesterday First seen · 34 lines · 22 tokens per session scan C 6ec0a80b7cf5
doc-limits is a skill published in the GitHub repository vanillagreencom/kendex (75 stars, last pushed today), licensed MIT. It adds 22 tokens to every session and 339 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-06.
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