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 skills add i9wa4/dotfiles --skill external-referencesgit clone --depth 1 https://github.com/i9wa4/dotfilesWrote 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/i9wa4/dotfiles/external-references)<a href="https://agentmods.dev/skills/i9wa4/dotfiles/external-references"><img src="https://agentmods.dev/badge/skills/i9wa4/dotfiles/external-references/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/skills/i9wa4/dotfiles/external-references"><img src="https://agentmods.dev/badge/skills/i9wa4/dotfiles/external-references.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 | $0.00069 | $0.00461 |
| Opus 5.5 | $0.00028 | $0.00184 |
| Sonnet 5.5 | $0.00014 | $0.00092 |
| Haiku 4.5 | $0.00007 | $0.00046 |
Grade A, and why
external-references 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 1mo 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
External References
Dormant provider-pack references live under ~/.local/share/skills. Direct
reads from ~/.local/share/skills/<skill-name>/* need no promotion; promote
only when the user asks to make a pack active/invokable.
1. Workflow
- Read matching bodies under
~/.local/share/skills/<skill-name>. - Enumerate available reference skill names from
~/.local/share/skills/.i9wa4-agent-skills-reference-only.manifestwhen the generated name is unclear. - Use
nix/home-manager/agents/shared/agent-skills.nixreferenceOnlySourcesonly when the generated tree is missing or source verification is needed. - Prefer local owner skills for guardrails:
data-platform,programming, ordotfiles. - Promote only on an explicit active-provider-pack request.
2. Dormant Packs
cloudflare-skills, databricks-official, dbt, azure, google, aws,
hashicorp-terraform, googleworkspace-cli, and streamlit. Use active
security-audit for Cloudflare security audits.
3. Direct Read Example
For Terraform, read ~/.local/share/skills/terraform-style-guide/SKILL.md and
use the manifest for related Terraform names. hashicorp-terraform is an
inventory group, not necessarily a directory.
4. Promotion Rules
For Claude, add a source through i9wa4.agentSkills.extraSources or an
explicit repo decision. For Codex, also update codexMinimalSourceNames and
codexMinimalAllowlist.
What ships with it
4 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.
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.
- 1mo ago Changed · -2 lines · -14 tokens per session 04e982618ac6
- 1mo ago Changed · +6 lines · -21 tokens per session 7916cc10ce4b
- 1mo ago Changed · +1 lines · +6 tokens per session c04c5d46b767
- 2mo ago First seen · 43 lines · 98 tokens per session scan A c97e20ad8860
external-references is a skill published in the GitHub repository i9wa4/dotfiles (12 stars, last pushed today), licensed MIT. It adds 69 tokens to every session and 461 once invoked, about $0.0003 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 2026-08-30.
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