validate_json_against_schema

Valida una instancia JSON contra un JSON Schema.

SERVERMCP Framework Personal SOURCEinggerman/mcps

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/inggerman-mcps/validate-json-against-schema.md

WHAT IT DOES

What validate_json_against_schema does on MCP Framework Personal

AI agents call validate_json_against_schema to retrieve information from MCP Framework Personal without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why validate_json_against_schema is rated Low

Even though validate_json_against_schema only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs validate_json_against_schema safely

PolicyLayer is an MCP gateway: it sits between your AI agents and MCP Framework Personal, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For validate_json_against_schema, this is the rule to start with:

validate_json_against_schema Allowed

validate_json_against_schema is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "validate_json_against_schema": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect MCP Framework Personal, apply this rule, and every validate_json_against_schema call is checked against it from then on.

FAQ

Questions about validate_json_against_schema

What does the validate_json_against_schema tool do? +

Valida una instancia JSON contra un JSON Schema. It is categorised as a Read tool in the MCP Framework Personal MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on validate_json_against_schema? +

Register the MCP Framework Personal MCP server in PolicyLayer and add a rule for validate_json_against_schema: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches MCP Framework Personal. Nothing to install.

What risk level is validate_json_against_schema? +

validate_json_against_schema is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit validate_json_against_schema? +

Yes. Add a rate_limit block to the validate_json_against_schema rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block validate_json_against_schema completely? +

Set action: deny in the PolicyLayer policy for validate_json_against_schema. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides validate_json_against_schema? +

validate_json_against_schema is provided by the MCP Framework Personal MCP server (inggerman/mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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