AI agents invoke supportservice_graphql to trigger actions in Zion. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | string | Yes | |
appExId | string | null | — | |
variables | object | — | |
projectExId | string | — | |
appVersionExId | string | null | — |
Parameters from the server's own tool schema.
This tool allows execution of arbitrary GraphQL queries and mutations against a deployed endpoint. While GraphQL queries themselves are read-only, the description's emphasis on 'raw' operations suggests mutations are permitted, which can modify data.
From the tool's definition Tool description states 'Run a raw GraphQL operation against the deployed supportservice/data visualizer endpoint.' The words 'raw GraphQL operation' indicate arbitrary query execution against a backend service.
Risk signalsAccepts freeform code/query input (query)
Attacks that exploit this kind of access
Run a raw GraphQL operation against the deployed supportservice/data visualizer endpoint. It is categorised as a Execute tool in the Zion MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.
supportservice_graphql accepts 5 parameters: query, appExId, variables, projectExId, appVersionExId. Required: query. The full parameter table on this page comes from the server's own tool schema.
Register the Zion MCP server in PolicyLayer and add a rule for supportservice_graphql: 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 Zion. Nothing to install.
supportservice_graphql is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.
Yes. Add a rate_limit block to the supportservice_graphql 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.
Set action: deny in the PolicyLayer policy for supportservice_graphql. 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.
supportservice_graphql is provided by the Zion MCP server (zion-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →