| What it does | Fast, 100% client-side developer platform with zero-data logging
| AI skill manager that keeps your skills together across tools
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| US
|
|---|
| Pricing model | Free
| Freemium
|
|---|
| Pricing | All tools are free with no usage limits. The site may show ads in the future to cover running costs.
| Free: £0/month with core features. Individual: £6.99/month (one person, 7-day trial). Team: £12.99/member/month (billed per active member).
|
|---|
| Key features | - Multi-timezone support with IANA database and daylight saving time
- JSON to TypeScript conversion
- JWT decoder and inspection
- Cron expression parser and generator
- End-to-end encrypted environment variable vaults
- P2P multiplayer canvas with WebRTC and CRDT
- Steganography for hiding encrypted secrets in images
- Service Worker API mocker for frontend testing
- Encrypted URL shares with hash fragment storage
| - Unified library for importing and organizing skills from multiple sources
- Source tracking to monitor when skills change and decide whether to update
- Security review with Cisco Skill Scanner for prompt injection, exfiltration, and obfuscated code
- Selective skill delivery to specific projects and tools
- Skill capture to turn successful workflows into reusable skills
- Skillbox Trim to reduce command output noise from agent context
- Skillbox AI to draft and review skills with assistance
- Shared workspaces for team collaboration without forcing skills on individuals
- Team standards to require specific skills for workspace consistency
- Weekly workspace usage reports for team admins
|
|---|
| What makes it different | - Zero-data logging: no keystroke sent to external servers, all processing in browser memory
- 100% client-side operation works entirely offline
- Unified ecosystem across web, CLI, and AI agents via MCP Server
- Sub-millisecond performance with local execution
- Tool chaining and piping for seamless multi-stage workflows
| - Library remains separate from active setup, delivering only relevant skills to each tool or project
- Source attachment remembers GitHub or GitLab origin so you can compare versions before updating
- Security findings and approvals tied to exact version reviewed, not carried forward automatically
- Shared team skills do not override individual personal libraries
- Works with existing tools without requiring abandonment of Cursor, Claude Code or repositories
|
|---|
| Free plan | Not given
| Not given
|
|---|
| Open source | Not given
| Not given
|
|---|
| Platforms | Not given
| Not given
|
|---|
| Public API | Not given
| Not given
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 2 ▼ −4 (down) since last check | 2 ▲ +2 (up) since last check |
|---|
| Trust Flow (Majestic) | 1 | 0 |
|---|
| Citation Flow (Majestic) | 19 | 0 |
|---|
| Referring domains (Majestic) | 7 | 0 |
|---|
Castov
Skillbox