IMPORTANT: Call this BEFORE creating an issue to discover required fields and their formats. Returns all required fields for a project and issue type, including custom fields, with allowed values and format hints. This prevents
AI agents call jira_get_create_fields to retrieve information from JIRA MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves metadata about JIRA fields and their constraints. It has no side effects, does not create, modify, or delete data, and does not execute external operations. It is purely informational, helping callers understand what data to provide before other operations. This is a classic Read category tool.
From the tool's definition Tool name 'jira_get_create_fields' and description indicate it 'Returns all required fields for a project and issue type' — a retrieval operation with no modification.
Attacks that exploit this kind of access
IMPORTANT: Call this BEFORE creating an issue to discover required fields and their formats. Returns all required fields for a project and issue type, including custom fields, with allowed values and format hints. This prevents. It is categorised as a Read tool in the JIRA MCP Server MCP Server, which means it retrieves data without modifying state.
Register the JIRA MCP Server MCP server in PolicyLayer and add a rule for jira_get_create_fields: 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 JIRA MCP Server. Nothing to install.
jira_get_create_fields 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 jira_get_create_fields 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 jira_get_create_fields. 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.
jira_get_create_fields is provided by the JIRA MCP Server MCP server (suppleaardvark/jira-mcp-server). 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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