graphql_introspect

Run GraphQL introspection and optional Apollo Federation _service.sdl probing.

SERVERJshookmcp SOURCE@jshookmcp/jshook

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/io-github-vmoranv-jshookmcp/graphql-introspect.md

WHAT IT DOES

What graphql_introspect does on Jshookmcp

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

RISK

Why graphql_introspect is rated Low

Queries GraphQL schemas and service definitions; retrieves data with no write or execution side effects.

From the tool's definition GraphQL introspection and Apollo Federation service probing queries

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs graphql_introspect safely

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

graphql_introspect Allowed

graphql_introspect 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": {
    "graphql_introspect": {}
  }
}

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

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

FAQ

Questions about graphql_introspect

What does the graphql_introspect tool do? +

Run GraphQL introspection and optional Apollo Federation _service.sdl probing. It is categorised as a Read tool in the Jshookmcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on graphql_introspect? +

Register the Jshook MCP server in PolicyLayer and add a rule for graphql_introspect: 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 Jshookmcp. Nothing to install.

What risk level is graphql_introspect? +

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

Can I rate-limit graphql_introspect? +

Yes. Add a rate_limit block to the graphql_introspect 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 graphql_introspect completely? +

Set action: deny in the PolicyLayer policy for graphql_introspect. 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 graphql_introspect? +

graphql_introspect is provided by the Jshook MCP server (@jshookmcp/jshook). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Jshook, and thousands of servers like it.

This server

All 736 Jshook tools →

Across the catalogue

The MCP Attack Database →

Guides

Roll out MCP under one policy →Data exfiltration →MCP token cost →