lovstudio-skill-helper
CLI helper for Lovstudio paid skills — use a Lovstudio account entitlement or a legacy license to transparently decrypt/run protected skills locally. Decryption keys are fetched per-invocation and live only in process memory; they never touch disk.
Install
The canonical way is via uv — no install step needed, runs on first use:
uvx lovstudio-skill-helper login
The npm lovstudio skills add <name> command signs in and redeems Credits before
installing a paid encrypted bundle. The helper then uses the same account
entitlement when the Agent asks to decrypt the Skill.
Or install it persistently:
pipx install lovstudio-skill-helper
Usage
# account login (the npm CLI can start this flow automatically)
lovstudio-skill-helper login
# legacy license path, one-time per device
lovstudio-skill-helper activate <license-key>
# then any paid skill placeholder SKILL.md will call:
lovstudio-skill-helper decrypt <skill-name> # print plaintext SKILL.md to stdout
lovstudio-skill-helper exec <skill-name> <script> # run an encrypted script once
lovstudio-skill-helper status # show current activation
lovstudio-skill-helper heartbeat # refresh last-seen
lovstudio-skill-helper deactivate # wipe local license
How it works
Paid skills ship as AES-256-GCM ciphertext under the agent skill directory
created by npx skills add ..., normally ~/.agents/skills/lovstudio-<name>/
with agent-specific copies or links such as ~/.claude/skills/.... Each call
to decrypt / exec:
- Uses the signed-in Lovstudio account entitlement created by a Credits redemption.
- Falls back to the legacy license path for existing users.
- Returns a per-skill-version AES key only after the server verifies entitlement.
- Decrypts in memory, streams to stdout or a
tempfile.TemporaryDirectorythat is wiped on exit.
License keys are sold via the 手工川 (ShougongChuan) WeChat official account.
License
MIT.
1 maintainer
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