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comsol-mcp

comsol-mcp

by Ching-Chiang
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

server_connect

Establishes a connection between the MCP client and a running COMSOL Multiphysics Server, enabling shared model state with the Desktop GUI for collaborative modeling.

Instructions

Connect the MCP client to an existing COMSOL Multiphysics Server.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "server_connect"
  }
}

Input Schema

NameRequiredDescriptionDefault
hostNolocalhost
portNo
model_nameNo

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.4/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations are present, so the description must convey behavioral traits. It only states the high-level action, omitting details like connection persistence, error handling, or state changes. The presence of an output schema might help but is not described.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single sentence front-loading the core action. However, it is too sparse, sacrificing completeness for brevity.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given three parameters with no schema descriptions and no annotations, the description is woefully incomplete. It fails to provide enough context for correct invocation, such as parameter roles or required setup.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema has 0% description coverage for parameters, and the description adds no meaning to host, port, or model_name. Crucial context like what model_name specifies (e.g., a model to load after connection) is missing.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the action (connect) and resource (MCP client to existing COMSOL server). It is specific enough to distinguish from siblings like server_disconnect and server_start.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives. It does not mention prerequisites (e.g., server must be running via server_start) or situations where server_connect is inappropriate.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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