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Json MCP server

by rog0x·io.github.rog0x/json·v1.0.1
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JSON/YAML/CSV validate, diff, transform for AI agents

B72/100grade B
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Safety scan
B72/100

full report

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

Json tools (7)

write = sends, deletes, buys or posts

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

  • csv_to_json

    Convert CSV text to a JSON array of objects. Supports custom delimiters, header row detection, and automatic type casting.

  • json_diff

    Compare two JSON objects and show additions, removals, and changes with their paths.

  • json_to_csv

    Convert a JSON array of objects to CSV text. Automatically extracts headers from object keys.

  • json_to_yaml

    Convert a JSON string to YAML text.

  • json_transform

    Apply transformations to a JSON object: pick specific fields, rename keys, flatten nested objects, or unflatten dot-notation keys.

  • json_validate

    Validate a JSON object against a JSON Schema. Returns whether the data is valid and a list of errors with their paths.

  • yaml_to_json

    Convert YAML text to a JSON string.

Public scan report

scanner v0.1.10 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan24 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
  • Maintenancelast push 190 days ago4/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 72/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Json in Claude Code, Cursor or VS Code

Runs npx -y @rog0x/mcp-json-tools on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add json -- npx -y @rog0x/mcp-json-tools
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Json: common questions

Is Json MCP server safe?
Mostly: it is graded B (72/100). Read the Json safety report
How do I install Json?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Json need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Json maintained?
The last commit was 206 days ago (2026-03-21). The latest release is v1.0.1.

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