adr_supersede · Mcp Adr MCP: Risk & Policy

WHAT IT DOES

What adr_supersede does on Mcp Adr

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

WHY IT NEEDS A POLICY

Why adr_supersede needs a policy

The tool modifies ADR metadata and relationships reversibly—marking an ADR as superseded and creating a link—without deleting or destroying data. It's a Write operation because it updates records (changing status and adding links).

From the tool's definition Tool description states 'Mark an ADR as superseded by another ADR, linking both.' This involves modifying the state of existing ADR records by updating their supersession status and creating relationships between records.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

adr_supersede Rate-limited

adr_supersede 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": {
    "adr_supersede": {
      "limits": [
        {
          "counter": "adr_supersede_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 Mcp Adr, so you can run agents against it safely.

FAQ

Questions about adr_supersede

What does the adr_supersede tool do? +

Mark an ADR as superseded by another ADR, linking both. It is categorised as a Write tool in the Mcp Adr MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on adr_supersede? +

Register the Mcp Adr MCP server in PolicyLayer and add a rule for adr_supersede: 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 Adr. Nothing to install.

What risk level is adr_supersede? +

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

Can I rate-limit adr_supersede? +

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

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

adr_supersede is provided by the Mcp Adr MCP server (mauriziomocci/mcp-adr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.