share_blueprint_with_users
Share a blueprint with users.
This record as markdown: /tools/tjnull-ludus-fastmcp/share-blueprint-with-users.md
What share_blueprint_with_users does on Ludus FastMCP
AI agents use share_blueprint_with_users to create or update resources in Ludus FastMCP, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ludus FastMCP environment.
Why share_blueprint_with_users is rated Medium
This tool grants access to a blueprint for specified users, which is a reversible write/permission-modification action. It does not delete data or execute code, but modifying access controls can have moderate security implications in a cyber range environment where blueprints define range configurations and attack scenarios.
From the tool's definition Share a blueprint with users
Attacks that exploit this kind of access
The rule that runs share_blueprint_with_users safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ludus FastMCP, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For share_blueprint_with_users, this is the rule to start with:
share_blueprint_with_users 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Ludus FastMCP, apply this rule, and every share_blueprint_with_users call is checked against it from then on.
Questions about share_blueprint_with_users
Share a blueprint with users. It is categorised as a Write tool in the Ludus FastMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Ludus Fast MCP server in PolicyLayer and add a rule for share_blueprint_with_users: 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 Ludus FastMCP. Nothing to install.
share_blueprint_with_users is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the share_blueprint_with_users 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 share_blueprint_with_users. 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.
share_blueprint_with_users is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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