gcd_lcm
GCD & LCM Calculator — Greatest common divisor and least common multiple of integers.
This record as markdown: /tools/com-wingmanprotocol-agent-gateway/gcd-lcm.md
What gcd_lcm does on Gateway
AI agents call gcd_lcm 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 |
|---|---|---|---|
a | integer | — | First integer |
b | integer | — | Second integer |
numbers | array | — | Array of two or more integers (instead of a/b) |
Parameters from the server's own tool schema.
Why gcd_lcm is rated Low
This is a pure computational utility that retrieves/computes mathematical results from inputs. It performs no write operations, does not execute arbitrary code, cannot delete data, and has no financial implications. The blast radius of misuse is minimal—worst case, an agent receives incorrect mathematical results, which cannot cause system damage or data loss.
From the tool's definition Tool is a stateless mathematical calculator that computes GCD (greatest common divisor) and LCM (least common multiple).
Attacks that exploit this kind of access
The rule that runs gcd_lcm 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 gcd_lcm, this is the rule to start with:
gcd_lcm 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 gcd_lcm call is checked against it from then on.
Questions about gcd_lcm
GCD & LCM Calculator — Greatest common divisor and least common multiple of integers. It is categorised as a Read tool in the Gateway MCP Server, which means it retrieves data without modifying state.
gcd_lcm accepts 3 parameters: a, b, numbers. 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 gcd_lcm: 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.
gcd_lcm 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 gcd_lcm 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 gcd_lcm. 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.
gcd_lcm 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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