business_days
Business-Day Calculator — Count workdays between two dates, or add N business days to a date — skipping weekends and holidays.
This record as markdown: /tools/com-wingmanprotocol-agent-gateway/business-days.md
What business_days does on Gateway
AI agents call business_days to retrieve information from Gateway without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
end | string | — | End date YYYY-MM-DD (count mode) |
days | integer | — | Business days to add, may be negative (add mode) |
mode | string | — | Operation |
start | string | Yes | Start date YYYY-MM-DD |
holidays | array | — | Optional list of YYYY-MM-DD dates to exclude |
Parameters from the server's own tool schema.
Why business_days is rated Low
This tool performs date arithmetic calculations only — counting or adding business days while accounting for weekends and holidays. It retrieves/computes a result with no side effects, no data modification, no external operations triggered, and no financial transactions involved.
From the tool's definition Count workdays between two dates, or add N business days to a date — skipping weekends and holidays
Attacks that exploit this kind of access
The rule that runs business_days safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Gateway, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For business_days, this is the rule to start with:
business_days is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Gateway, apply this rule, and every business_days call is checked against it from then on.
Questions about business_days
Business-Day Calculator — Count workdays between two dates, or add N business days to a date — skipping weekends and holidays. It is categorised as a Read tool in the Gateway MCP Server, which means it retrieves data without modifying state.
business_days accepts 5 parameters: end, days, mode, start, holidays. Required: start. The full parameter table on this page comes from the server's own tool schema.
Register the Gateway MCP server in PolicyLayer and add a rule for business_days: 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 Gateway. Nothing to install.
business_days 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 business_days 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 business_days. 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.
business_days is provided by the Gateway MCP server (https://wingmanprotocol.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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