| What it does | Privacy-first JSON workspace for viewing, formatting, validating, and querying API data
| AI skill manager that keeps your skills together across tools
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| Stage | Startup
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| Founded | 2025
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| Based in | Not given
| US
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: $0 forever with JSON viewer, formatter, validator, tree, graph, node, table, JSONPath, JQ, diff, schema tools, 5 MB uploads, 20 AI actions per month, and 5 encrypted snapshots with 10 minute expiry. Monthly: $3 per month with 50 MB uploads, unlimited snapshot links up to 2 hours expiry, unlimi
| Free: £0/month with core features. Individual: £6.99/month (one person, 7-day trial). Team: £12.99/member/month (billed per active member).
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| Key features | - Real-time JSON validator
- JQ and JSONPath query support
- JSON diff and comparison
- AI JSON fixer for malformed data
- Performance Mode for files up to 50 MB
- Nine UI languages including English, Chinese, Japanese, Korean, Portuguese, Spanish, French, German, and Russian
- Webhook Tester with request capture and response mocking
| - 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
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| What makes it different | - Privacy-first design with all core tools running client-side in your browser
- Unified workspace replacing multiple single-purpose tools for JSON work and API debugging
- No data selling with optional encryption for cloud features
- Affordable Pro plan at $3/month or $27/year with unlimited AI and larger uploads
| - 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
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 4 ▲ +1 (up) since last check | 2 ▲ +2 (up) since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 21 | 0 |
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| Referring domains (Majestic) | 34 | 0 |
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BracketView
Skillbox