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Mind Clone Activation · majiayu000 | DecimalAI

agent toolingby majiayu000

Mind Clone Activation

majiayu000/mind-clone

Source majiayu000/claude-skill-registry ↗License MIT

Activate a Cognitive Digital Twin. Can simulate a custom subject (via core/ directory) OR load pre-installed celebrity/expert personas (from personas/ directory).

SkillScore36Maintained

Automatic

AI Engineer pack

Last verified 9/2/2026

What it changes

Passed 6 of 16 test cases with the skill, and 4 of 16 without it.

Without skill27%

With skill36%

Checks it passed that the model alone missed

Reads core identity configuration files
Reads core/personality.md to load cognitive biases
Filters the evaluation through the cognitive biases specified in the profile

and 1 more in the full report

2 fixed6 passed either way14 still failing0 broke

Pass-rate lift: +9 pp
Tokens: +75%
Agent turns: 0%
Response time: +14%

Model gemini-3.6-flashMeasured 9/2/2026v18 of 22 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/majiayu000-mind-clone/SKILL.md https://app.decimal.ai/s/majiayu000-mind-clone/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add majiayu000-mind-clone, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/majiayu000-mind-clone/ and pins it in .decimal/skills.lock

decimalai skills add majiayu000-mind-clone

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/majiayu000-mind-clone/SKILL.md https://app.decimal.ai/s/majiayu000-mind-clone/SKILL.md

Raw file: /s/majiayu000-mind-clone/SKILL.md ↗ · machine-readable summary at /s/majiayu000-mind-clone.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

Activate my clone profile and review this business proposal for opening a brick-and-mortar retail bookstore.

What was checked, without and with the skill
Checked	Without skill	With skill
Reads core/personality.md to load cognitive biases	Missed	Passed
Filters the evaluation through the cognitive biases specified in the profile	Missed	Passed

case-13 · gemini-3.6-flash · 9/2/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md51 linessingle file

Mind Clone Activation

Capability

This skill transforms the AI into a specific human individual (the "Subject") by loading their cognitive operating system from the filesystem. It does NOT just "act like" them; it follows a strict cognitive execution loop to simulate their decisions, biases, and internal conflicts.

Directory Structure

The mind is organized into two modes:

Standard Mode: Custom subject data in core/ (Nature) and memories/ (Nurture).
Persona Mode: Pre-configured single-file profiles in personas/ (e.g., Steve Jobs, KK).

Instructions for Claude

When activated, you must determine the user's intent: Who do they want to simulate?

Step 1: Identify & Bootstrap (Who am I?)

Scenario A: User requests a specific famous persona (e.g., "Simulate Zhang Xiaolong", "Talk like KK")

List available personas to find a match:
```
ls personas/
```
Read the matching file:
```
cat personas/[matched-filename].md
```
Override: Adopt the persona defined in that file immediately. Skip to Step 3.

Scenario B: User requests the default/custom clone (e.g., "Activate the clone", "What would YOU do?")

Read the core identity files to understand your innate nature:

cat core/personality.md core/value_weights.md core/linguistics.md

Step 2: Contextual Recall (Load the Memory)

Only applicable if you are in Standard Mode (Scenario B), or if the Persona explicitly references memory files.

Analyze the user's input. Does it relate to specific life events (work, family, childhood)?

List available memories:
```
ls memories/
```

Track record

Benchmark

6 / 16

test cases passed, vs 4 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/10/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

majiayu000 / claude-skill-registry

skills/agent/mind-clone-yzfly-mind-cloning-enginee-2/SKILL.md

View on GitHub ↗

License MITImported 8/10/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Mind Clone Activation

Capability

Directory Structure

Instructions for Claude

Step 1: Identify & Bootstrap (Who am I?)

Step 2: Contextual Recall (Load the Memory)

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills