Critical Risk →

tcp_proxy_delete

[API] Delete a TCP proxy ⚡️ Best for: ✓ Removing unused proxies ✓ Security management ✓ Endpoint cleanup ⚠️ Not for: × Temporary proxy disabling × Port updates → Prerequisites: tcp_proxy_list → Related: service_update

Part of the Railway MCP Server server.

tcp_proxy_delete can permanently delete data in Railway MCP Server, with no limits today. PolicyLayer puts allow, deny, and rate-limit rules on every call. Live in minutes.

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AI agents may call tcp_proxy_delete to permanently remove or destroy resources in Railway MCP Server. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.

Without a policy, an AI agent could call tcp_proxy_delete in a loop, permanently destroying resources in Railway MCP Server. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.

Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "tcp_proxy_delete"
  ]
}

See the full Railway MCP Server policy for all 38 tools.

Get this rule live on your own Railway MCP Server server in minutes. PolicyLayer enforces it on every call, before it runs.

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These attack patterns abuse exactly the kind of access tcp_proxy_delete gives an agent. Each links to the full case and the policy that stops it:

Browse the full MCP Attack Database →

Every attack above starts with a tool call. PolicyLayer checks each one against your policy first, so tcp_proxy_delete only ever does what you allow.

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Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.

What does the tcp_proxy_delete tool do? +

[API] Delete a TCP proxy ⚡️ Best for: ✓ Removing unused proxies ✓ Security management ✓ Endpoint cleanup ⚠️ Not for: × Temporary proxy disabling × Port updates → Prerequisites: tcp_proxy_list → Related: service_update. It is categorised as a Destructive tool in the Railway MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on tcp_proxy_delete? +

Register the Railway MCP Server MCP server in PolicyLayer and add a rule for tcp_proxy_delete: 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 Railway MCP Server. Nothing to install.

What risk level is tcp_proxy_delete? +

tcp_proxy_delete is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit tcp_proxy_delete? +

Yes. Add a rate_limit block to the tcp_proxy_delete 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.

How do I block tcp_proxy_delete completely? +

Set action: deny in the PolicyLayer policy for tcp_proxy_delete. 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.

What MCP server provides tcp_proxy_delete? +

tcp_proxy_delete is provided by the Railway MCP Server MCP server (jason-tan-swe/railway-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Railway MCP Server tool call.

Deterministic rules across all 38 Railway MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

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