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JSONViewerTool vs PlugMCP

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

JSONViewerTool compared with PlugMCP
DetailJSONViewerTool logo JSONViewerToolPlugMCP logo PlugMCP
What it doesFast, browser-based JSON viewer, formatter, validator and converter that runs entirely client-side MCP server directory and hosting platform for agents
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingNot given Free: 2 servers, 1,000 calls a month. Starter: $29/month, 3 hosted servers, 10,000 calls a month. Pro: $59/month, 10 hosted servers, 50,000 calls a month. Advanced: $99/month, 30 hosted servers, 200,000 calls a month. All paid plans include 7-day free trial.
Key features
  • View JSON in tree, code, and text modes
  • Format and beautify unreadable JSON
  • Validate JSON and catch syntax errors
  • Minify JSON to reduce payload size
  • Convert JSON to CSV, Excel, YAML, and XML
  • Decode JWT tokens and inspect claims
  • Generate UUIDs and encode or decode Base64 data
  • Compare and diff JSON structures
  • Sort, search and transform JSON data
  • All processing runs 100% client-side in browser
  • Ranked results with health signals and install configs
  • Call logs showing tool name, search words, timing and daily totals
What makes it different
  • Privacy-first: all processing runs client-side with no server uploads, storage or logging
  • No installation or signup required; works directly in modern web browsers
  • Side-by-side input and output view for easy comparison and debugging
  • Comprehensive toolset covering viewing, formatting, validation, conversion and comparison in one place
  • Works on desktop and mobile browsers without any setup time
  • Integrates directly into agents (Claude, Cursor, VS Code, Windsurf, ChatGPT, Grok) as single MCP endpoint
  • Directory seeded from official MCP Registry and GitHub curated collections
  • Hosts MCP servers on gateway with keys, call logs and no per-seat charges
  • Keys stay hashed in database, shown once only, never stored plaintext
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)9 +2 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)3015
Referring domains (Majestic)482

4 details filled in for both companies.

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