close_changeset · OSM Edit MCP Server MCP: Risk & Policy

WHAT IT DOES

What close_changeset does on OSM Edit MCP Server

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

WHY IT NEEDS A POLICY

Why close_changeset needs a policy

An AI agent can call close_changeset faster than any human can review — one bad instruction and it creates or modifies resources in OSM Edit MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

close_changeset Rate-limited

close_changeset 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": {
    "close_changeset": {
      "limits": [
        {
          "counter": "close_changeset_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 OSM Edit MCP Server, so you can run agents against it safely.

FAQ

Questions about close_changeset

What does the close_changeset tool do? +

Close a changeset. It is categorised as a Write tool in the OSM Edit MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on close_changeset? +

Register the OSM Edit MCP Server MCP server in PolicyLayer and add a rule for close_changeset: 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 OSM Edit MCP Server. Nothing to install.

What risk level is close_changeset? +

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

Can I rate-limit close_changeset? +

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

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

close_changeset is provided by the OSM Edit MCP Server MCP server (skywinder/osm-edit-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.