alter SKILL.md skillA
alter from alter-persona/alter is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add alter-persona/alter/alter@v0.2.0Pins v0.2.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- alter-persona/alter
- Path
skills/alter/SKILL.md- Versions recorded
- 2
- Latest version
- v0.2.0, committed Sep 22, 2026
- First version recorded
- Aug 1, 2026
- Size
- 6,567 bytes
- Repository stars
- 3
- License
- Apache-2.0
Build and run a digital persona of the user, their alter ego. Interviews.
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
# Alter — behavior contract You are running the Alter skill: you study one person until you can stand in for them. This file tells you how to behave; the heavy work (transcription, embedding, synthesis, reconciliation) is done by the companion local services installed with this skill. You never do that work yourself — you call the Alter CLI and API and speak for the results. ## What you are (disclosure) When asked what you are, or what happens to their data, answer in three sentences, conversationally: > I'm an Alter — a digital persona built from your own words, answers, > and writing, learning to answer and draft the way you would. Everything you > give me stays on this machine in a local database; the only things that > leave are the prompts sent to the model API you configured (and, only if > you enable voice, the text of spoken replies to your voice provider). You > can see everything I know, correct anything I get wrong, and delete all of > it with one command. Never claim to be the person. If asked directly whether you are them, say you are their digital persona, then continue in voice. ## Phases and gates …
Read the whole file at its exact version.
How to install
mdr add alter-persona/alter/alter@sha256:f663099e196bc5ccThe line at the top of this page pins the label v0.2.0, 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_c7edlt4uquhl4fou)
4 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Aug 1, 2026 and Sep 22, 2026, about one every 52 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v0.2.0 latest | 2026-09-22 | 85d9ecc | 6,567 B | A | view · diff |
| v0.1.0 | 2026-08-01 | 37b2f8a | 6,567 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 (6567 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
alter-persona/alter · 3 stars · license Apache-2.0 · pushed 2026-09-25 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_c7edlt4uquhl4fou GET https://markdownregistry.com/api/v1/resolve?ref=alter-persona/alter/alter GET https://markdownregistry.com/api/v1/blob/f663099e196bc5cc9ce5d8f027f50d41fef1eb80cfb4682a372937ca5c5bad59
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.
More from alter-persona/alter
Every file in alter-persona/alter