Doncheli Drift

Community

doncheli

doncheli-drift

Detect and reconcile divergence between specs and implementation. Activate when user mentions "drift", "sync", "spec divergence", "out of sync", "spec doesn't match", "implementation differs".

Overview

Publisher	doncheli
Repository	`don-cheli-sdd`
Skill name	`doncheli-drift`
Stars	59
Forks	12
Bundled files	Instructions only
License	Apache-2.0
Links	Skill source Repository Homepage

Markdown instructions
A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.
Works with any LLM
AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.
Self-contained
Everything the model needs lives in the instructions — no extra files to sync.
Open source
Published by doncheli on GitHub. Read the source before you install it.

Installation

Install the Doncheli Drift AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

Open the app and go to Plugins → Skills.
Choose "Install from GitHub".
Paste the skill folder URL below and confirm.
https://github.com/doncheli/don-cheli-sdd/tree/main/.agent/skills/doncheli-drift
Enable the skill in any chat where you want it available.

Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills

git clone --depth 1 https://github.com/doncheli/don-cheli-sdd.git /tmp/don-cheli-sdd
mkdir -p .claude/skills
cp -r /tmp/don-cheli-sdd/.agent/skills/doncheli-drift .claude/skills/doncheli-drift

Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Doncheli Drift in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Doncheli Drift on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Doncheli Drift is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

Loaded only when it is needed
The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.
Switch models mid-chat
Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

Don Cheli: Spec Drift Detector

Instructions

Read the current spec files in .dc/specs/ and the relevant source code
Compare spec scenarios (Gherkin / acceptance criteria) against the actual implementation
Identify three categories of drift:
- Ghost: code exists but no spec covers it
- Phantom: spec exists but no code implements it
- Mutant: code and spec exist but behavior diverges
For each drift finding, report: file path, spec reference, severity (critical / warning / info)
Propose a reconciliation: either update the spec or flag the code for correction
Never auto-modify code — output a reconciliation plan for human approval
Save a drift report to .dc/drift-report-<date>.md if findings exceed 3 items
If zero drift is found, confirm with a brief "No drift detected — spec and code are aligned"

Output Format


## Drift Report — <date>

### Ghost (code without spec)
- src/payments/refund.ts:42 — no spec covers the refund edge case

### Phantom (spec without code)
- specs/checkout.feature:Scenario 3 — "Apply coupon on mobile" — not implemented

### Mutant (behavior mismatch)
- specs/auth.feature:Scenario 1 expects 401 on expired token; code returns 403

### Reconciliation Plan
1. [Phantom] Implement "Apply coupon on mobile" or mark as backlog in .dc/backlog.md
2. [Mutant] Fix auth.ts to return 401 — spec is correct per RFC 7235
3. [Ghost] Add spec for refund edge case before next release

Do not use this skill when

The user only wants to run tests (use doncheli-tea instead)
The spec has not been written yet (use dc:especificar first)

Frequently asked questions

What does the Doncheli Drift AI skill do?

Detect and reconcile divergence between specs and implementation. Activate when user mentions "drift", "sync", "spec divergence", "out of sync", "spec doesn't match", "implementation differs".

Why use Doncheli Drift on TypingMind?

Because you install it once and use it with any model. Doncheli Drift is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Doncheli Drift in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/doncheli/don-cheli-sdd/tree/main/.agent/skills/doncheli-drift. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Doncheli Drift?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Doncheli Drift?

As many as you like. As long as a model supports skills, you can use Doncheli Drift with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Doncheli Drift AI skill free?

Yes. It is published on GitHub by doncheli under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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Overview

Installation

Install in TypingMind

Install in another agent

Use it in TypingMind

Works with any AI model

Skill instructions

Don Cheli: Spec Drift Detector

Instructions

Output Format

Do not use this skill when

Frequently asked questions

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