getSwaggerDefinition · Swagger MCP (Multi-API Edition) MCP

WHAT IT DOES

What getSwaggerDefinition does on Swagger MCP (Multi-API Edition)

AI agents use getSwaggerDefinition to create or update resources in Swagger MCP (Multi-API Edition) — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Swagger MCP (Multi-API Edition) environment.

WHY IT NEEDS A POLICY

Why getSwaggerDefinition needs a policy

The tool performs a network fetch (Read) but also persists the result to local storage ('saves it locally'), making the dominant effect a Write operation. Misuse could result in overwriting local API definition files with malicious or incorrect specs, but effects are reversible.

From the tool's definition Fetches a Swagger/OpenAPI definition from a URL and saves it locally

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

getSwaggerDefinition Rate-limited

getSwaggerDefinition stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "getSwaggerDefinition": {
      "limits": [
        {
          "counter": "getswaggerdefinition_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Swagger MCP (Multi-API Edition), so you can run agents against it safely.

FAQ

Questions about getSwaggerDefinition

What does the getSwaggerDefinition tool do? +

Fetches a Swagger/OpenAPI definition from a URL and saves it locally. IMPORTANT: After calling this tool, you will receive a response containing a. It is categorised as a Write tool in the Swagger MCP (Multi-API Edition) MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on getSwaggerDefinition? +

Register the Swagger MCP (Multi-API Edition) MCP server in PolicyLayer and add a rule for getSwaggerDefinition: 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 Swagger MCP (Multi-API Edition). Nothing to install.

What risk level is getSwaggerDefinition? +

getSwaggerDefinition is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit getSwaggerDefinition? +

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

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

getSwaggerDefinition is provided by the Swagger MCP (Multi-API Edition) MCP server (psh4607/swagger-muti-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.