[API] List all services in a specific Railway project ⚡️ Best for: ✓ Getting an overview of a project's services ✓ Finding service IDs ✓ Checking service status → Prerequisites: project_list → Next steps: service_info, deployment_list → Related: project_info, variable_list
Part of the Railway Infrastructure Manager server.
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AI agents call service_list to retrieve information from Railway Infrastructure Manager without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though service_list only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"service_list": {}
}
}See the full Railway Infrastructure Manager policy for all 36 tools.
These attack patterns abuse exactly the kind of access service_list gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
[API] List all services in a specific Railway project ⚡️ Best for: ✓ Getting an overview of a project's services ✓ Finding service IDs ✓ Checking service status → Prerequisites: project_list → Next steps: service_info, deployment_list → Related: project_info, variable_list. It is categorised as a Read tool in the Railway Infrastructure Manager MCP Server, which means it retrieves data without modifying state.
Register the Railway Infrastructure Manager MCP server in PolicyLayer and add a rule for service_list: 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 Infrastructure Manager. Nothing to install.
service_list 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 service_list 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 service_list. 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.
service_list is provided by the Railway Infrastructure Manager MCP server (antonioevans/railway-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 36 Railway Infrastructure Manager tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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