Medium Risk

register

Register your email to unlock 500 queries/day (up from 50). Returns an API key to add to your MCP server config.

Part of the ASTGL Knowledge MCP server. Enforce policies on this tool with Intercept, the open-source MCP proxy.

mcp-astgl-knowledge Write Risk 2/5

AI agents use register to create or modify resources in ASTGL Knowledge. Write operations carry medium risk because an autonomous agent could trigger bulk unintended modifications. Rate limits prevent a single agent session from making hundreds of changes in rapid succession. Argument validation ensures the agent passes expected values.

Without a policy, an AI agent could call register repeatedly, creating or modifying resources faster than any human could review. Intercept's rate limiting ensures write operations happen at a controlled pace, and argument validation catches malformed or unexpected inputs before they reach ASTGL Knowledge.

Write tools can modify data. A rate limit prevents runaway bulk operations from AI agents.

astgl-knowledge.yaml
tools:
  register:
    rules:
      - action: allow
        rate_limit:
          max: 30
          window: 60

See the full ASTGL Knowledge policy for all 7 tools.

Tool Name register
Category Write
Risk Level Medium

Agents calling write-class tools like register have been implicated in these attack patterns. Read the full case and prevention policy for each:

Browse the full MCP Attack Database →

Other tools in the Write risk category across the catalogue. The same policy patterns (rate-limit, validate) apply to each.

What does the register tool do? +

Register your email to unlock 500 queries/day (up from 50). Returns an API key to add to your MCP server config.. It is categorised as a Write tool in the ASTGL Knowledge MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on register? +

Add a rule in your Intercept YAML policy under the tools section for register. You can allow, deny, rate-limit, or validate arguments. Then run Intercept as a proxy in front of the ASTGL Knowledge MCP server.

What risk level is register? +

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

Can I rate-limit register? +

Yes. Add a rate_limit block to the register rule in your Intercept 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 register completely? +

Set action: deny in the Intercept policy for register. 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 register? +

register is provided by the ASTGL Knowledge MCP server (mcp-astgl-knowledge). Intercept sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policies on ASTGL Knowledge

Open source. One binary. Zero dependencies.

npx -y @policylayer/intercept
github.com/policylayer/intercept →
// GET IN TOUCH

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