graphql_schema_root_type · GitHub GraphQL API MCP

WHAT IT DOES

What graphql_schema_root_type does on GitHub GraphQL API MCP

AI agents use graphql_schema_root_type to create or update resources in GitHub GraphQL API MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your GitHub GraphQL API MCP environment.

WHY IT NEEDS A POLICY

Why graphql_schema_root_type needs a policy

An AI agent can call graphql_schema_root_type faster than any human can review — one bad instruction and it creates or modifies resources in GitHub GraphQL API MCP by the hundred, each call as confident as the last.

Risk signalsAdmin/system-level operation

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

graphql_schema_root_type Rate-limited

graphql_schema_root_type stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "graphql_schema_root_type": {
      "limits": [
        {
          "counter": "graphql_schema_root_type_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches GitHub GraphQL API MCP, so you can run agents against it safely.

FAQ

Questions about graphql_schema_root_type

What does the graphql_schema_root_type tool do? +

A tool to query GitHub GraphQL schema root types. You need to provide the root type name (QUERY/MUTATION). It is categorised as a Write tool in the GitHub GraphQL API MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on graphql_schema_root_type? +

Register the GitHub GraphQL API MCP server in PolicyLayer and add a rule for graphql_schema_root_type: 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 GitHub GraphQL API MCP. Nothing to install.

What risk level is graphql_schema_root_type? +

graphql_schema_root_type is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit graphql_schema_root_type? +

Yes. Add a rate_limit block to the graphql_schema_root_type 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_schema_root_type completely? +

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

graphql_schema_root_type is provided by the GitHub GraphQL API MCP server (wanzunz/github_graphql_api_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.