extract_fractions_and_simplify_from_image

SERVERNodebench SOURCEnodebench-mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-homenshum-nodebench/extract-fractions-and-simplify-from-image.md

WHAT IT DOES

What extract_fractions_and_simplify_from_image does on Nodebench

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

RISK

Why extract_fractions_and_simplify_from_image is rated Low

This tool reads data (fractions) from an image, performs deterministic mathematical simplification, and returns results without side effects, network access, or capability to modify external state. It is a pure read operation with local computation.

From the tool's definition Tool 'extract_fractions_and_simplify_from_image' extracts and detects fractions from image content, then performs calculation. Description states 'Deterministic, no network' and focuses on extraction and simplification (read/compute operations).

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs extract_fractions_and_simplify_from_image safely

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

extract_fractions_and_simplify_from_image Allowed

extract_fractions_and_simplify_from_image 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": {
    "extract_fractions_and_simplify_from_image": {}
  }
}

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

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

FAQ

Questions about extract_fractions_and_simplify_from_image

What does the extract_fractions_and_simplify_from_image tool do? +

Extract slash-style fractions (e.g. 3/4) from body text in an image and also detect stacked numerator/denominator fractions in a worksheet-style region, returning the simplified answers. Deterministic, no network. It is categorised as a Read tool in the Nodebench MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on extract_fractions_and_simplify_from_image? +

Register the Nodebench MCP server in PolicyLayer and add a rule for extract_fractions_and_simplify_from_image: 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 Nodebench. Nothing to install.

What risk level is extract_fractions_and_simplify_from_image? +

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

Can I rate-limit extract_fractions_and_simplify_from_image? +

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

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

extract_fractions_and_simplify_from_image is provided by the Nodebench MCP server (nodebench-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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