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Json Schema Store MCP server

by mrfentmen·io.github.mrfentmen/json-schema-store-mcp·v1.0.0

Browse the JSON Schema Store catalog. No key required.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
Not measured yet

Usage numbers are collected on the next scan

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If you have run it, two minutes of your experience saves the next person an afternoon.

Json Schema Store tools (1)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • search

    Search schemas in the catalog.

Public scan report

scanner v0.1.9 · 2026-09-22 · same rubric, same numbers if you re-run it

no findings
  • Code scan5 source files scanned25/25
  • Live reliabilityno gateway calls yet and no remote to proben/a
  • Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y json-schema-store-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add json-schema-store-mcp -- npx -y json-schema-store-mcp
Add to Cursor

Json Schema Store: common questions

Is Json Schema Store MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Json Schema Store safety report
How do I install Json Schema Store?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Json Schema Store need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Json Schema Store maintained?
The latest release is v1.0.0.
What can I use instead of Json Schema Store?
Servers from other publishers that do the same job: Buywhere MCP server, Steam MCP Server and Apify MCP server. Compare all Json Schema Store alternatives.

Alternatives to Json Schema Store

Same job from other publishers: the closest match first, then the best rated.

All Json Schema Store alternatives →
  • Buywhere
    Agent-native product catalog: 300M+ products, 150,000+ stores, deliver_to ranking.
    A
  • Steam MCP Server
    Steam store/game data (no key) plus player profiles, libraries and achievements (Steam Web API).
    B
  • Apify
    Extract data from any website with thousands of scrapers, crawlers, and automations on Apify Store ⚡
    A
  • Heimdall
    Every App Store Connect + StoreKit 2 endpoint. 890 tools in 13 profiles, narrow to 27.
    B
  • Workflows
    Store, query, and create YAML workflow playbooks for LLM agents.
    A

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