unshare_blueprint_with_users
Unshare a blueprint from users.
This record as markdown: /tools/tjnull-ludus-fastmcp/unshare-blueprint-with-users.md
What unshare_blueprint_with_users does on Ludus FastMCP
AI agents use unshare_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 unshare_blueprint_with_users is rated Medium
Unsharing a blueprint modifies access control settings by removing users' access to the blueprint. This is a reversible write operation (sharing can be re-granted), not destructive since the blueprint itself is not deleted. The blast radius is medium as it could disrupt workflows for affected users who lose access.
From the tool's definition 'Unshare a blueprint from users' — revokes access/sharing permissions for a blueprint
Attacks that exploit this kind of access
The rule that runs unshare_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 unshare_blueprint_with_users, this is the rule to start with:
unshare_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 unshare_blueprint_with_users call is checked against it from then on.
Questions about unshare_blueprint_with_users
Unshare a blueprint from 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 unshare_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.
unshare_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 unshare_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 unshare_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.
unshare_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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