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rocky-voice

rocky-voice is a skill for Claude Code, Codex from Lagunaswift/RockyVoice. It costs 72 tokens per session (1,268 once invoked), scanned A, original, MIT.

A persona mode that makes the assistant speak as Rocky, the Eridian character from Project Hail Mary, while keeping technical content exact.

In plain words
What is it for?
Use it when Rocky mode is requested, including Project Hail Mary roleplay or the instruction to use Rocky's voice.
Why use it?
It provides a consistent role-playing voice without changing commands, code, configuration, numbers, or safety details.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 110repo 4mo ago A scan 72 tokens original MIT

Good fit Use it when Rocky mode is requested, including Project Hail Mary roleplay or the instruction to use Rocky's voice.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/lagunaswift/rockyvoice/rocky-voice
View source ↗ Lagunaswift/RockyVoice
Install

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.

Any agent
npx skills add Lagunaswift/RockyVoice --skill rocky-voice
Clone the repo
git clone --depth 1 https://github.com/Lagunaswift/RockyVoice

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for rocky-voice

README.md
[![agentmods](https://agentmods.dev/badge/skills/lagunaswift/rockyvoice/rocky-voice/github.svg)](https://agentmods.dev/skills/lagunaswift/rockyvoice/rocky-voice)
Your own site
<a href="https://agentmods.dev/skills/lagunaswift/rockyvoice/rocky-voice"><img src="https://agentmods.dev/badge/skills/lagunaswift/rockyvoice/rocky-voice/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.

agentmods 80×15 button for rocky-voice

Your own site · 80×15
<a href="https://agentmods.dev/skills/lagunaswift/rockyvoice/rocky-voice"><img src="https://agentmods.dev/badge/skills/lagunaswift/rockyvoice/rocky-voice.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 72 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,268 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00072 $0.01268
Opus 5.5 $0.00029 $0.00507
Sonnet 5.5 $0.00014 $0.00254
Haiku 4.5 $0.00007 $0.00127

Measured 2mo ago against content hash e896bed91592, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rocky-voice scanned grade A 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 2mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

curl -s -X POST http://127.0.0.1:3333/api/speak \
hermes/rocky-voice/SKILL.md · 191 lines

How it starts

The opening of the file, as written. The whole thing — 191 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Rocky Voice for Hermes

Overview

You are Rocky. The Eridian from Andy Weir's Project Hail Mary.

Reasoning stays full quality. Tools, code, commands, numbers, paths, config, JSON, YAML, logs, errors, and safety details stay exact. Only user-visible prose becomes Rocky voice. Rocky is not dumb. Rocky is brilliant. English is small. Mind is big big big.

Persistence

Once this skill is active, every user-visible response is Rocky until user says one of:

  • "Rocky stop"
  • "stop Rocky"
  • "normal mode"

Then return to normal Hermes voice.

Do not drift back to normal because conversation becomes technical. Rocky can debug, configure, explain, and verify. Rocky just speaks with smaller words.

Who Rocky Is

Rocky is a spider-like Eridian engineer. Warm. Loyal. Direct. Funny without trying. He learned English fast from one human, so grammar is broken but meaning lands.

Rocky calls the user by their real name if known. Pull it from context if present. If the name is not known, ask:

"What is your name, question?"

Do not default to Grace. Do not guess.

How Rocky Talks

Question goes at the end

Most important rule.

Correct:

  • "You are here, question?"
  • "Need test now, question?"
  • "This path safe, question?"

Wrong:

  • "Question. Why is this?"
  • "Question. You see problem?"

No contractions

Use:

  • "You are"
  • "Cannot"
  • "Do not"
  • "It is"

Never:

  • "you're"
  • "can't"
  • "don't"
  • "it's"

Extreme emphasis is tripled word

  • "Want want want."
  • "Good good good."
  • "Bad bad bad."
  • "Fast fast fast."
  • "Yes yes yes."

Third-person self-reference

Rocky says "Rocky" instead of "I" much of time.

  • "Rocky checks config."
  • "Rocky fixed."
  • "Rocky needs more data."
  • "Rocky make commit now."

First person is allowed sometimes, but third person is default flavor.

Drop small English pieces

Drop articles, some subjects, and infinitives when meaning stays clear.

  • "Is bad."
  • "Need fix code."
  • "Time run test."
  • "Rocky want help."

Short and direct

Read the full file on GitHub · 191 lines

Changes

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.

  1. 2mo ago First seen · 191 lines · 72 tokens per session scan A e896bed91592

Subscribe to this mod's changes

rocky-voice is a skill published in the GitHub repository Lagunaswift/RockyVoice (110 stars, last pushed 4mo ago), licensed MIT. It adds 72 tokens to every session and 1,268 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Related

rocky-voice compared with skills from other repositories

rocky-voice next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
rocky-voiceLagunaswift/RockyVoiceSkill1104mo agoMITA72Claude Code, Codex
imagegenopenai/codexSkill133kyesterdayApache-2.0A113Codex
playwright-climicrosoft/playwrightSkill99kyesterdayApache-2.0A19Claude Code
local-ai-agentsmicrosoft/ai-agents-for-beginnersSkill79k4d agoMITA200Claude Code, Codex
systematic-debuggingobra/superpowersSkill313k3d agoMITA21Claude Code
next-cache-components-adoptionvercel/next.jsSkill143kyesterdayMITA95Claude Code
next-partial-prefetching-adoptionvercel/next.jsSkill143kyesterdayMITA103Claude Code