Retrieve a list of authors from the PulseMCP CMS who can create newsletter posts. Returns formatted markdown with author details. The response is formatted as markdown with: - Total count and pagination info - Author entries, each showing: - Name (as section header) - Slug (required for creating/...
AI agents call get_authors to retrieve information from Langfuse Observability without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple data retrieval operation with no side effects. It queries a CMS for author information and returns formatted results. There is no capability to modify, delete, or execute any operations. The severity is low because even if an AI agent retrieves this data unnecessarily, it poses minimal risk—author metadata is typically non-sensitive information.
From the tool's definition The tool description explicitly states it will 'Retrieve a list of authors' and 'Returns formatted markdown with author details'.
Attacks that exploit this kind of access
Retrieve a list of authors from the PulseMCP CMS who can create newsletter posts. Returns formatted markdown with author details. The response is formatted as markdown with: - Total count and pagination info - Author entries, each showing: - Name (as section header) - Slug (required for creating/updating posts) - Bio (if available) - Avatar image URL (if available) - Created date Use cases: - Find available authors before creating a new newsletter post - Search for a specific author by name to get their slug - List all authors to see who can contribute to the newsletter - Verify an author exists before assigning them to a post - Browse author profiles and specializations - Get author metadata like bio and avatar for display. It is categorised as a Read tool in the Langfuse Observability MCP Server, which means it retrieves data without modifying state.
Register the Langfuse Observability MCP server in PolicyLayer and add a rule for get_authors: 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 Langfuse Observability. Nothing to install.
get_authors 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 get_authors 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 get_authors. 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.
get_authors is provided by the Langfuse Observability MCP server (langfuse-observability-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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