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 skills/vanillagreencom/kendex/growth-guardsnpx skills add vanillagreencom/kendex --skill growth-guardsgit 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/growth-guards)<a href="https://agentmods.dev/skills/vanillagreencom/kendex/growth-guards"><img src="https://agentmods.dev/badge/skills/vanillagreencom/kendex/growth-guards.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 | $0.00031 | $0.02734 |
| Opus 5 | $0.00015 | $0.01367 |
| Sonnet 5 | $0.00006 | $0.00547 |
| Haiku 4.5 | $0.00003 | $0.00273 |
Grade C, and why
growth-guards 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 --> How it starts
The opening of the file, as written. The whole thing — 113 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Project Instructions
Problems with a kendex-owned skill go through kendex report; check ownership in the file first.
Growth Guards
.agents/skills/growth-guards/scripts/growth-guards # batch: every enabled repo check
.agents/skills/growth-guards/scripts/growth-guards all --staged # the same batch at commit scope
.agents/skills/growth-guards/scripts/growth-guards todo-ban # one check by name, flags pass through
.agents/skills/growth-guards/scripts/md-reflow PATH... # rewrite markdown to the format md-format judges
.agents/skills/growth-guards/scripts/install-git-hooks # arm the git pre-commit/commit-msg shims
.agents/skills/growth-guards/scripts/install-git-hooks --check # read-only: are the shims still armed?
The checks
| Check | Verdict |
|---|---|
| todo-ban | Any work marker (TODO, FIXME, HACK, XXX in comment-marker shapes) in a tracked, non-excluded file fails. No baseline. |
| byte-ceiling | A new tracked file over the configured ceiling fails; an existing oversized file may hold or shrink but may not grow; lockfiles are exempt. |
| suppression-ban | Blanket lint suppressions fail; reasonless Rust dead or unused allows may only tighten against the baseline. |
| conflict-markers | An unresolved merge-conflict marker in a tracked, non-excluded file fails. |
| changelog-entries | Each GROWTH_GUARDS_CHANGELOG_PATHS fragment is one Markdown list item in a Keep a Changelog section and at most GROWTH_GUARDS_CHANGELOG_CAP characters. |
| prose | A history reference in Markdown named by GROWTH_GUARDS_PROSE_PATHS fails; GROWTH_GUARDS_CHECKS controls whether the lane runs. |
| md-format | A hard-wrapped paragraph or list item, a missing blank line around a heading, fence or list, or a trailing-double-space break in Markdown named by GROWTH_GUARDS_MD_PATHS fails; md-reflow is the remedy. |
| md-refs | A relative link, a <path>.md § Heading or <path>.md#anchor code-span citation, or a decision ID in Markdown named by GROWTH_GUARDS_MD_REFS_PATHS that lands on no tracked file, heading or decision fails. |
| comments | A history reference in the comment text of a source file named by GROWTH_GUARDS_COMMENT_PATHS fails: an issue id (GH_ISSUE_PATTERN), #NNN, a date, or revision narration. Opt-in: name it in GROWTH_GUARDS_CHECKS. |
| commit-msg | The header must be type(scope)!: subject within GROWTH_GUARDS_SUBJECT_MAX; a commit touching GROWTH_GUARDS_CHANGELOG_REQUIRED_PATHS also owes a changelog entry or [no-changelog]. |
What ships with it
60 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.
- CHECKS.md 22 KB
- DEVELOPMENT.md 11 KB
- kendex.settings.toml.example 4.8 KB
- README.md 4.0 KB
- scripts/byte-ceiling 8.7 KB
- scripts/changelog-entries 13 KB
- scripts/comments 16 KB
- scripts/commit-msg 16 KB
- scripts/conflict-markers 3.1 KB
- scripts/growth-guards 4.0 KB
- scripts/install-git-hooks 24 KB
- scripts/lib/atomic-install.sh 6.4 KB runs code
- scripts/lib/changelog-collate.sh 11 KB runs code
- scripts/lib/changelog-grammar.sh 13 KB runs code
- scripts/lib/changelog-record-scope.sh 15 KB runs code
- scripts/lib/comment-text.sh 11 KB runs code
- scripts/lib/commit-header.sh 1.1 KB runs code
- scripts/lib/commit-parent.sh 5.9 KB runs code
- scripts/lib/common.sh 15 KB runs code
- scripts/lib/configured-paths.sh 17 KB runs code
- scripts/lib/helper-body.sh 9.2 KB runs code
- scripts/lib/hook-check.sh 12 KB runs code
- scripts/lib/hooks-path.sh 7.0 KB runs code
- scripts/lib/md-blocks.awk 11 KB
- scripts/lib/md-refs.awk 9.9 KB
- scripts/lib/md-scope.sh 4.8 KB runs code
- scripts/lib/md-shapes.awk 3.4 KB
- scripts/lib/md-slug.awk 3.7 KB
- scripts/lib/paths.sh 2.9 KB runs code
- scripts/lib/revision-words.sh 1.4 KB runs code
- scripts/lib/settings.sh 21 KB runs code
- scripts/lib/skill-roots.sh 3.0 KB runs code
- scripts/lib/staged-lines.sh 2.5 KB runs code
- scripts/md-format 4.8 KB
- scripts/md-reflow 6.7 KB
- scripts/md-refs 9.0 KB
- scripts/pre-commit 9.3 KB
- scripts/prose 8.5 KB
- scripts/suppression-ban 16 KB
- scripts/todo-ban 9.1 KB
- tests/bsd-argv-install.test.sh 5.1 KB runs code
- tests/byte-ceiling.test.sh 18 KB runs code
- tests/changelog-collate.test.sh 13 KB runs code
- tests/changelog-entries.test.sh 38 KB runs code
- tests/changelog-record-head.test.sh 11 KB runs code
- tests/changelog-record.test.sh 37 KB runs code
- tests/cleanup-scope.test.sh 5.1 KB runs code
- tests/comments.test.sh 33 KB runs code
- tests/commit-msg-amend.test.sh 5.2 KB runs code
- tests/commit-msg.test.sh 44 KB runs code
- tests/conflict-markers.test.sh 8.6 KB runs code
- tests/dispatcher.test.sh 8.0 KB runs code
- tests/harness-adoption.test.sh 5.2 KB runs code
- tests/index-reads.test.sh 41 KB runs code
- tests/install-git-hooks-check.test.sh 15 KB runs code
- tests/install-git-hooks-hookspath.test.sh 19 KB runs code
- tests/install-git-hooks-scope.test.sh 18 KB runs code
- tests/install-git-hooks.test.sh 35 KB runs code
- tests/lib/harness.bash 2.3 KB runs code
- tests/lib/install-hooks.bash 3.5 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 · +6 lines edeeb5176137
- yesterday Changed · +11 lines scan A → C c5774ebfbcdc
- 3d ago Changed · -49 lines e5809dd3c24a
- 5d ago First seen · 145 lines · 31 tokens per session scan A 899081a06b65
growth-guards is a skill published in the GitHub repository vanillagreencom/kendex (68 stars, last pushed today), licensed MIT. It adds 31 tokens to every session and 2,734 once invoked, about $0.0002 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 2026-08-30.
Other skills, from other repositories
surf
Control Chrome browser via CLI for testing, automation, and debugging. Use when the user needs browser automation, screenshots, form filling, page inspection, network/CPU emulation, DevTools streaming, or AI queries via ChatGPT/Gemini/Perplexity/Grok/AI Studio.
prose-review
Review prose written for others (e.g., user-facing documentation, prompts for other LLMs, reports, plans, inline comments, docstrings) for local jargon leakage, orphaned references, missing grounding, and audience or genre mismatch. Always run on prose you produce or materially edit, except for routine conversational…
text-search
Search indexed text corpora with qmd. For indexed content, prefer qmd over grep.
repoprompt-tool-guidance-refresh
Refresh RepoPrompt tool guidance when the CLI/MCP surface changes. Tracks RepoPrompt CE (rpce-cli, the maintained target) across versions, and can diff the frozen Classic CLI (rp-cli) against CE. Uses /.pi/agent/skills/repoprompt-tool-guidance-refresh/scripts/track-rp-version.sh to capture/diff --help and -l (tool…
xcodebuildmcp
Build/test Xcode projects via the XcodeBuildMCP MCP server using a local CLI wrapper for pi (no MCP support). Use when the user mentions Xcode, xcodebuild, iOS builds/tests, or XcodeBuildMCP.
agent-browser
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.