Attach a supporting link to a LaunchNotes announcement. The link appears in the announcement
AI agents use launchnotes_create_external_content_link to create or update resources in LaunchNotes MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your LaunchNotes MCP Server environment.
This tool creates and adds new data (an external content link) to an existing announcement, which is a reversible write operation. It does not execute code, delete data, or move funds. The severity is medium because malicious link injection could mislead users or distribute malware, but the impact is limited to a single announcement and is reversible via removal.
From the tool's definition Tool 'launchnotes_create_external_content_link' performs an 'attach' operation that modifies an announcement by adding a supporting link; the description states 'The link appears in the announcement,' indicating persistent creation of content.
Attacks that exploit this kind of access
Attach a supporting link to a LaunchNotes announcement. The link appears in the announcement. It is categorised as a Write tool in the LaunchNotes MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the LaunchNotes MCP Server MCP server in PolicyLayer and add a rule for launchnotes_create_external_content_link: 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 LaunchNotes MCP Server. Nothing to install.
launchnotes_create_external_content_link 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 launchnotes_create_external_content_link 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 launchnotes_create_external_content_link. 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.
launchnotes_create_external_content_link is provided by the LaunchNotes MCP Server MCP server (launchnotes/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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