Two plans. No surprises.
HarnessSync is free to install and use locally. Pro is a flat €3/month for managed cloud sync, multi-device, and full skillsmp access. Heavier sync needs scale at €1/month per 250 MB block.
€0
forever, every machine
- · Install, update, remove harnesses locally
- · Bring-your-own GitHub repo sync
- · All CLIs – Claude Code, Codex, Cursor, Aider
- · Local-only data path
- · Limited skillsmp catalog access
Recommended
Pro
€3/month
€30/year if billed annually
- · Everything in Free
- · Managed cloud sync – no GitHub setup
- · 100 MB cloud storage included
- · Instant multi-device sync
- · Full skillsmp.com catalog
- · Priority update channel
Need more storage?
Add-onPro includes 100 MB. If your skills, prompts, and project state outgrow that, add storage in 250 MB blocks at €1/month each. Buy or release blocks from the Billing page anytime – pro-rated automatically. Hit the cap and pushes pause until you free space or buy a block; pulls and exports keep working.
Common questions
Full FAQ →- Can I cancel anytime?
- Yes. Stripe Customer Portal handles cancellation; access stays through the end of the period.
- Do I need a credit card for Free?
- No. Free is unlimited, no card required.
- VAT and invoicing?
- Stripe handles EU VAT automatically. Invoices include your VAT ID if you provide one at checkout.