acra_list_shards

List the 27 official ACRA corporate-entity dataset shards on data.gov.sg.

SERVERMcp Singapore SOURCE@olano/mcp-singapore

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/olano-mcp-singapore/acra-list-shards.md

WHAT IT DOES

What acra_list_shards does on Mcp Singapore

AI agents call acra_list_shards to retrieve information from Mcp Singapore without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why acra_list_shards is rated Low

Even though acra_list_shards only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs acra_list_shards safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp Singapore, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For acra_list_shards, this is the rule to start with:

acra_list_shards Allowed

acra_list_shards is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "acra_list_shards": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp Singapore, apply this rule, and every acra_list_shards call is checked against it from then on.

FAQ

Questions about acra_list_shards

What does the acra_list_shards tool do? +

List the 27 official ACRA corporate-entity dataset shards on data.gov.sg. It is categorised as a Read tool in the Mcp Singapore MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on acra_list_shards? +

Register the Mcp Singapore MCP server in PolicyLayer and add a rule for acra_list_shards: 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 Mcp Singapore. Nothing to install.

What risk level is acra_list_shards? +

acra_list_shards is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit acra_list_shards? +

Yes. Add a rate_limit block to the acra_list_shards 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 acra_list_shards completely? +

Set action: deny in the PolicyLayer policy for acra_list_shards. 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 acra_list_shards? +

acra_list_shards is provided by the Mcp Singapore MCP server (@olano/mcp-singapore). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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