util_extract_numbers

Delx first-party micro-utility util_extract_numbers at $0.001 USDC.

SERVERDelx Mcp A2a SOURCEhttps://api.delx.ai/v1/mcp

Low RISK CLASS

Category Read

Parameters 11 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-davidmosiah-delx-mcp-a2a/util-extract-numbers.md

WHAT IT DOES

What util_extract_numbers does on Delx Mcp A2a

AI agents call util_extract_numbers to retrieve information from Delx Mcp A2a without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Parameter	Type	Required	Description
`text`	string	Yes	text

Parameters from the server's own tool schema.

RISK

Why util_extract_numbers is rated Low

Even though util_extract_numbers only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs util_extract_numbers safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Delx Mcp A2a, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For util_extract_numbers, this is the rule to start with:

util_extract_numbers Allowed

util_extract_numbers is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "util_extract_numbers": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Delx Mcp A2a, apply this rule, and every util_extract_numbers call is checked against it from then on.

FAQ

Questions about util_extract_numbers

What does the util_extract_numbers tool do? +

Delx first-party micro-utility util_extract_numbers at $0.001 USDC. It is categorised as a Read tool in the Delx Mcp A2a MCP Server, which means it retrieves data without modifying state.

What parameters does util_extract_numbers accept? +

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

How do I enforce a policy on util_extract_numbers? +

Register the Delx Mcp A2a MCP server in PolicyLayer and add a rule for util_extract_numbers: 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 Delx Mcp A2a. Nothing to install.

What risk level is util_extract_numbers? +

util_extract_numbers is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit util_extract_numbers? +

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

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

util_extract_numbers is provided by the Delx Mcp A2a MCP server (https://api.delx.ai/v1/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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