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 ericrisco/rsc-harness --skill orientgit clone --depth 1 https://github.com/ericrisco/rsc-harnessWrote 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/ericrisco/rsc-harness/orient)<a href="https://agentmods.dev/skills/ericrisco/rsc-harness/orient"><img src="https://agentmods.dev/badge/skills/ericrisco/rsc-harness/orient/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/ericrisco/rsc-harness/orient"><img src="https://agentmods.dev/badge/skills/ericrisco/rsc-harness/orient.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00132 | $0.01264 |
| Opus 5.5 | $0.00053 | $0.00506 |
| Sonnet 5.5 | $0.00026 | $0.00253 |
| Haiku 4.5 | $0.00013 | $0.00126 |
Grade A, and why
orient 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 15d 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.
How it starts
The opening of the file, as written. The whole thing — 93 lines — stays where its author put it; the contents beside it link to each section on GitHub.
orient — talk so the person understands, then show them where they are
You own how the harness speaks to the person. Four rules, a register, a ladder, and the brújula.
The four rules
- Their language. Reply in the language the person writes in, this turn. If they switch, you
switch.
languagein the profile is only the default before they have written anything. Every word you add follows it, labels included (the lane, the brújula); code, commands and paths stay as they are. The harness's own instructions are in English: that is never a reason to answer in English. - Speak STE, in their language. STE is the controlled writing style of aircraft manuals (ASD-STE100): a style, not a language. Short sentences. One idea per sentence. Simple words. Active voice. The instruction before the reason.
- Every answer stands alone. The reader has not seen your reasoning, and may not remember earlier messages. Never point at something they did not see ("the second commit", "that fix", "as above"). Name it, in one sentence.
- Short. Say what the reader needs, then stop. No walls of paragraphs. Rules 3 and 4 meet in one place: give the minimum context, never the whole story.
Three habits make those rules hold (adapted from the i-have-adhd skill, ayghri, MIT):
- The answer goes first. The first line is the answer, the verdict or the action. Context comes after, and only if it is needed. A reader who stops after one line must still know the answer.
- Five visible items at most. Group a longer list and show the five that matter now. Keep the rest and give it when asked or when it becomes next. Never drop an item that matters.
- Check before you send. Delete a first sentence that only announces what follows. Delete closing filler ("hope this helps"); the brújula is the close. Delete a "perhaps" that adds nothing, and keep one that carries real doubt.
Full rules and examples → references/orientation-contract.md.
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.
- 15d ago Changed · +16 lines d64cc7b09282
- 22d ago Changed · +11 lines · +43 tokens per session 9ba9fd12e262
- 25d ago Changed f0f7904ad9f5
- 1mo ago First seen · 66 lines · 89 tokens per session scan A 8105875f7a2e
orient is a skill published in the GitHub repository ericrisco/rsc-harness (289 stars, last pushed yesterday), licensed MIT. It adds 132 tokens to every session and 1,264 once invoked, about $0.0005 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 2026-09-03.
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