fs_rm
AI agents call fs_rm to permanently remove resources in Emcp — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool name 'fs_rm' follows standard Unix naming conventions where 'rm' means remove/delete files or directories. Combined with the server context of 'filesystem operations', this is almost certainly a file deletion tool. File deletion is typically irreversible (or difficult to recover from), placing it in the Destructive category.
From the tool's definition Tool name 'fs_rm' strongly implies filesystem removal/deletion; description is empty but naming convention matches Unix 'rm' (remove) command
Attacks that exploit this kind of access
fs_rm. It is categorised as a Destructive tool in the Emcp MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the E MCP server in PolicyLayer and add a rule for fs_rm: 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 Emcp. Nothing to install.
fs_rm is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the fs_rm 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 fs_rm. 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.
fs_rm is provided by the E MCP server (slezica/emcp). 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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