sympy_diag

Create a diagonal matrix.

SERVERPypi:mcp Sympy SOURCEpypi:mcp-sympy

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-daedalus-mcp-sympy/sympy-diag.md

WHAT IT DOES

What sympy_diag does on Pypi:mcp Sympy

AI agents use sympy_diag to create or update resources in Pypi:mcp Sympy, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pypi:mcp Sympy environment.

RISK

Why sympy_diag is rated Medium

The sympy_diag function creates mathematical objects (diagonal matrices) as output. This is a data creation operation with no side effects on external systems, no irreversible changes, and no code execution. It falls under Write rather than Read because it constructs new data rather than querying existing data.

From the tool's definition Tool creates a diagonal matrix, which generates new data structures in memory without retrieving existing data or causing destructive side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs sympy_diag safely

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

sympy_diag Rate-limited

sympy_diag 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": {
    "sympy_diag": {
      "limits": [
        {
          "counter": "sympy_diag_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 Pypi:mcp Sympy, apply this rule, and every sympy_diag call is checked against it from then on.

FAQ

Questions about sympy_diag

What does the sympy_diag tool do? +

Create a diagonal matrix. It is categorised as a Write tool in the Pypi:mcp Sympy MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sympy_diag? +

Register the Pypi:mcp Sympy MCP server in PolicyLayer and add a rule for sympy_diag: 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 Pypi:mcp Sympy. Nothing to install.

What risk level is sympy_diag? +

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

Can I rate-limit sympy_diag? +

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

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

sympy_diag is provided by the Pypi:mcp Sympy MCP server (pypi:mcp-sympy). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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