create_migration · MCP Software Engineer MCP: Risk & Policy

WHAT IT DOES

What create_migration does on MCP Software Engineer

AI agents use create_migration to create or update resources in MCP Software Engineer — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Software Engineer environment.

WHY IT NEEDS A POLICY

Why create_migration needs a policy

Database migrations are reversible modifications to database schemas (adding tables, columns, indexes, etc.). This is a Write operation because it creates new artifacts that change database state, but is not Destructive since migrations are typically reversible and can be rolled back.

From the tool's definition Tool name 'create_migration' and description 'Create database migration' indicate the tool creates new database migration files/artifacts that modify database schema or structure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_migration Rate-limited

create_migration 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": {
    "create_migration": {
      "limits": [
        {
          "counter": "create_migration_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Software Engineer, so you can run agents against it safely.

FAQ

Questions about create_migration

What does the create_migration tool do? +

Create database migration. It is categorised as a Write tool in the MCP Software Engineer MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_migration? +

Register the MCP Software Engineer MCP server in PolicyLayer and add a rule for create_migration: 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 Software Engineer. Nothing to install.

What risk level is create_migration? +

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

Can I rate-limit create_migration? +

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

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

create_migration is provided by the MCP Software Engineer MCP server (rajawatrajat/mcp-software-engineer). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.