PromptShift is a sovereign developer tool that translates entire AI assistant contexts, instruction files, master prompts, and system rules between Cursor (.cursorrules / .mdc), Anthropic Claude Projects, OpenAI Custom GPTs, and Google Gemini / Antigravity in one click.

Is my source code and proprietary API keys secure?

Yes. PromptShift operates with strict in-RAM processing and zero server retention. All uploads are processed ephemerally and sanitized in memory to redact leaked API keys (OpenAI, Anthropic, Stripe, AWS, HuggingFace, etc.) before conversion. Nothing is saved to a persistent server disk or database.

What are the pricing options and tiers?

PromptShift offers a Free Starter tier (instant conversion for projects up to 2 files with zero signup), a Single Migration Pass at $1.99 for one-off full project exports, a Pro Developer plan at $5.99/mo for unlimited multi-ecosystem migrations, and a Team & Agency pass at $19.99/mo.

Which AI platforms are currently supported?

PromptShift supports bidirectional migration between Anthropic Claude (.claude / system instructions), Cursor (.cursorrules / .cursor/rules/*.mdc), OpenAI Custom GPTs / Assistants v2, Google Gemini & Antigravity, and GitHub Copilot Workspace.

Can I convert back and forth without losing rules?

Yes! PromptShift uses a unified AST intermediate representation (CAPS) that preserves 98.5%+ certified semantic fidelity. Autonomy directives, tone, architecture policies, and negative constraints are mapped without prompt drift.

How do I manage my billing, receipts, and VAT invoices?

All checkouts and subscriptions are securely processed by Polar.sh as Merchant of Record. You can access your 1-click self-service customer portal directly inside PromptShift to manage billing, download tax-compliant VAT invoices, and adjust plans anytime.

98.5% Certified Semantic Parity•100% In-RAM Zero-Retention

Convert Cursor Rules to GitHub Copilot Instructions

Translate .cursorrules and modular .cursor/rules/*.mdc into native .github/copilot-instructions.md and path-scoped rules in seconds.

🚀 Drop & Convert (Cursor → GitHub Copilot)⚡ Unlock 4-in-1 Suite ($1.99)

01Architecture & File Mapping

Source Project Structure

Cursor

📄.cursorrules
📄.cursor/rules/*.mdc
📄.cursor/settings.json

Transpiled Target Structure

GitHub Copilot

✨.github/copilot-instructions.md
✨.github/instructions/*.instructions.md

Cursor Directive	GitHub Copilot Equivalent	Semantic Bridge Behavior
Root .cursorrules	.github/copilot-instructions.md	Transpiles master guidelines into Copilot-recognized repository instructions
.cursor/rules/*.mdc frontmatter	Copilot markdown sections	Removes YAML delimiters and groups rules under semantic headings
Cursor Agent Mode directives	Copilot steering rules	Enforces negative constraints and coding conventions in Copilot chat & autocomplete

02Step-by-Step Migration Walkthrough

Upload your Cursor workspace files

Drag and drop your project repository or specific rule files (.cursorrules, .cursor/rules/*.mdc, .cursor/settings.json) into the PromptShift workspace. All reading and parsing is performed strictly in your browser RAM without disk persistence.

Inspect Automated Secret Sanitization & AST Fidelity

PromptShift executes active secret sanitization in memory, redacting exposed API keys (OpenAI, Anthropic, Stripe, AWS, HuggingFace) before compiling to the Canonical AI Project Schema (CAPS) with certified 98.5% semantic parity.

Export Ready-to-Run GitHub Copilot Package

Click download to receive your fully structured ZIP archive containing .github/copilot-instructions.md, .github/instructions/*.instructions.md. Drop these files directly into your workspace to instantly begin using your AI assistant.

03Why Developers Choose PromptShift for Cursor → GitHub Copilot

✓

Translates .cursorrules into standard .github/copilot-instructions.md

✓

Transforms scoped .mdc globs into dedicated Copilot instructions modules

✓

In-RAM secret sanitizer scrubs exposed API keys and environment tokens

✓

Instant 0.4s compilation via web studio or terminal (npx promptshift --to=copilot)

04Frequently Asked Questions

How do I use my Cursor rules in GitHub Copilot?

Copilot looks for instructions in .github/copilot-instructions.md. PromptShift converts your existing .cursorrules and .cursor/rules/*.mdc files into Copilot instructions automatically.

Does Copilot support modular file rules like Cursor .mdc?

Copilot reads .github/copilot-instructions.md as the primary source. PromptShift compiles your modular .mdc files into structured, hierarchical sections so Copilot respects all your scoped rules.

Can I automate this in CI?

Yes! Run npx promptshift --init-ci to generate a GitHub Actions workflow that keeps Copilot instructions and Cursor rules 100% in sync on every commit.