read-age-cypher · AGE-MCP-Server MCP: Risk & Policy

WHAT IT DOES

What read-age-cypher does on AGE-MCP-Server

AI agents invoke read-age-cypher to trigger actions in AGE-MCP-Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why read-age-cypher needs a policy

The tool executes Cypher queries on an Apache AGE graph database. While named 'read', Cypher queries can include not just read operations (MATCH/RETURN) but potentially write or destructive operations depending on what is passed. The description provides no restriction to read-only queries, so the most severe applicable category is Execute.

From the tool's definition "Execute a Cypher query on the AGE" — the tool runs arbitrary Cypher queries against a graph database

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

read-age-cypher Rate-limited

read-age-cypher stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "read-age-cypher": {
      "limits": [
        {
          "counter": "read-age-cypher_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about read-age-cypher

What does the read-age-cypher tool do? +

Execute a Cypher query on the AGE. It is categorised as a Execute tool in the AGE-MCP-Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on read-age-cypher? +

Register the AGE-MCP-Server MCP server in PolicyLayer and add a rule for read-age-cypher: 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 AGE-MCP-Server. Nothing to install.

What risk level is read-age-cypher? +

read-age-cypher is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit read-age-cypher? +

Yes. Add a rate_limit block to the read-age-cypher 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 read-age-cypher completely? +

Set action: deny in the PolicyLayer policy for read-age-cypher. 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 read-age-cypher? +

read-age-cypher is provided by the AGE-MCP-Server MCP server (rioriost/age_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.