AI agents call schemes.listScreenSchemes to retrieve information from Gojira without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and lists screen schemes from Jira, which is a read-only operation. It queries existing configuration data without creating, modifying, deleting, or executing any changes. The blast radius of misuse is minimal—an agent could enumerate screen schemes but cannot alter system state or access sensitive data beyond what Jira's permission model already exposes to the authenticated user.
From the tool's definition Tool name 'listScreenSchemes' and description 'List screen schemes' indicate a query/retrieval operation with no modification of data.
Attacks that exploit this kind of access
List screen schemes. It is categorised as a Read tool in the Gojira MCP Server, which means it retrieves data without modifying state.
Register the Gojira MCP server in PolicyLayer and add a rule for schemes.listScreenSchemes: 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 Gojira. Nothing to install.
schemes.listScreenSchemes is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the schemes.listScreenSchemes 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 schemes.listScreenSchemes. 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.
schemes.listScreenSchemes is provided by the Gojira MCP server (windoze95/gojira-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.
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