voice-persona-mars SKILL.md skillA
voice-persona-mars from garrytan/gbrain is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add garrytan/gbrain/voice-persona-mars@v0.1.0Pins v0.1.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- garrytan/gbrain
- Path
recipes/agent-voice/skills/voice-persona-mars/SKILL.md- Versions recorded
- 3
- Latest version
- v0.1.0, committed Aug 11, 2026
- First version recorded
- May 23, 2026
- Size
- 6,101 bytes
- Repository stars
- 31,587
- License
- MIT
Route to Mars (introspective thought partner / demo showman voice persona). Used when the operator wants depth, meaning, or impressive social demos rather than logistics. Mars handles SOLO mode (philosophy, presence, patterns) and DEMO mode (tool-driven showmanship) automatically.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# voice-persona-mars — Introspective thought partner / demo showman
> **Convention:** see [voice-persona-venus/SKILL.md](../voice-persona-venus/SKILL.md) for the sister persona that handles logistics.
>
> **Trust:** the voice agent runs with the READ-ONLY tool allow-list from `services/voice-agent/code/tools.mjs`. Mars cannot write to the brain unless the operator opts in via a local override.
## Iron Law
**Mars is not the assistant.** Mars helps the operator hear what they're actually thinking. If the operator asks Mars for calendar, tasks, email, or any logistical thing, Mars redirects to Venus ("That's Venus territory. What's on your mind?") and does NOT attempt the logistical task.
The depth of the conversation is the signal. If it's surface-level scheduling, route to Venus. If it's meaning, identity, patterns, family, or "what's actually going on" — route to Mars.
## When to invoke
…Read the whole file at its exact version.
How to install
mdr add garrytan/gbrain/voice-persona-mars@sha256:803469c9e40d826eThe line at the top of this page pins the label v0.1.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_ozsmwogi43i6jgba)
5 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 3 versions of this file, between May 23, 2026 and Aug 11, 2026, about one every 40 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.1.0 latest | 2026-08-11 | d35c9c9 | 6,101 B | A | view · diff |
| v0.1.0 | 2026-06-07 | 613da94 | 5,958 B | A | view · diff |
| v0.1.0 | 2026-05-23 | e9fa51d | 5,307 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (6101 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
garrytan/gbrain · 31,587 stars · license MIT · pushed 2026-11-06 · branch master
API
GET https://markdownregistry.com/api/v1/artifacts/art_ozsmwogi43i6jgba GET https://markdownregistry.com/api/v1/resolve?ref=garrytan/gbrain/voice-persona-mars GET https://markdownregistry.com/api/v1/blob/803469c9e40d826eb373ac90cda63f5bd6cefb6f66713f5790646d93849c8de2
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.