lint_mcp_tool_definition

SERVERAinumbers Mcp Apps SOURCEpostoaklabs/ainumbers-mcp-apps

Medium RISK CLASS

Category Write

Parameters 10 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/postoaklabs-ainumbers-mcp-apps/lint-mcp-tool-definition.md

WHAT IT DOES

What lint_mcp_tool_definition does on Ainumbers Mcp Apps

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

Parameter	Type	Required	Description
`inputs`	object	—	Map of tool input element IDs to values (see manifest input_schema). Applied via AIN Bridge prefill.

Parameters from the server's own tool schema.

RISK

Why lint_mcp_tool_definition is rated Medium

An AI agent can call lint_mcp_tool_definition faster than any human can review: one bad instruction and it creates or modifies resources in Ainumbers Mcp Apps by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs lint_mcp_tool_definition safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ainumbers Mcp Apps, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For lint_mcp_tool_definition, this is the rule to start with:

lint_mcp_tool_definition Rate-limited

lint_mcp_tool_definition 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": {
    "lint_mcp_tool_definition": {
      "limits": [
        {
          "counter": "lint_mcp_tool_definition_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ainumbers Mcp Apps, apply this rule, and every lint_mcp_tool_definition call is checked against it from then on.

FAQ

Questions about lint_mcp_tool_definition

What does the lint_mcp_tool_definition tool do? +

Validate an MCP tool definition against JSON Schema 2020-12 and current naming, output-schema, and annotation rules; returns findings, a conformance score, and a recommended annotation set. Use when a developer wants to check an MCP tool definition before publishing. Renders the interactive AINumbers tool as a widget; inputs are applied via the AIN Bridge and the tool runs client-side (zero PII, zero network). Output schema: call describe_tool("lint_mcp_tool_definition"). It is categorised as a Write tool in the Ainumbers Mcp Apps MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does lint_mcp_tool_definition accept? +

lint_mcp_tool_definition accepts 1 parameter: inputs. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on lint_mcp_tool_definition? +

Register the Ainumbers Mcp Apps MCP server in PolicyLayer and add a rule for lint_mcp_tool_definition: 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 Ainumbers Mcp Apps. Nothing to install.

What risk level is lint_mcp_tool_definition? +

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

Can I rate-limit lint_mcp_tool_definition? +

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

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

lint_mcp_tool_definition is provided by the Ainumbers Mcp Apps MCP server (postoaklabs/ainumbers-mcp-apps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

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