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KyttoMCP vs Onyx

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

KyttoMCP compared with Onyx
DetailKyttoMCP logo KyttoMCPOnyx logo Onyx
What it doesLocal MCP server manager for Claude, Cursor, VS Code and other AI clients Connected things and journeys, crafted like gems
StageMVP Not given
FoundedNot given Not given
Based inSK IT
Pricing modelOpen source Not given
PricingFree beta with no account or sign-up required. Source code available under MIT License. Not given
Key features
  • Server matrix showing which MCP servers are enabled across all supported AI clients
  • Health checks and MCP Doctor to diagnose server connection failures
  • Profiles to save and switch between different MCP stacks for different tasks
  • Timestamped backups with atomic writes and external change detection
  • Contract Guard to alert when servers change their tool definitions or descriptions
  • Built-in catalog and support for custom JSON, JSONC and TOML configuration sources
  • Context optimizer measuring tool-schema footprint and proximity to client limits
  • Security scanning for invisible characters, credential exposure and malicious prompts in tool definitions
  • Optional Gateway mode for supported stdio servers with local routing and native credential storage
  • Live Activity logging with metadata-only recording and no payload capture
  • Docstack NoSQL Framework with relational structure and admin tooling
  • Prismal Design System with reusable and customizable components
  • React component library with responsive props and accent theming
  • Prismal WordPress theme integrating React components in Gutenberg
  • Database that runs inside applications with filtered replication and encryption
What makes it different
  • Works with any existing MCP server you already have configured without requiring migration or special catalog registration
  • Detects and alerts when servers change what they tell your model between health checks
  • Completely local with no cloud sync, no account, and no upload of configuration or API keys
  • Public source code under MIT License so you can audit every request or build from source yourself
  • Automatic timestamped backups before every change with the ability to browse and restore earlier versions
  • Good abstractions that make complexity composable rather than hiding it
  • Pragmatic UI/UX blending functionality with great user experiences
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)2 no change since last check2 no change since last check
Trust Flow (Majestic)20
Citation Flow (Majestic)1717
Referring domains (Majestic)512

4 details filled in for both companies.

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