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Puppeteer Debugger MCP Server

Puppeteer Debugger MCP Server

by ALIEX7664
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Local

get_console_errors

Retrieve console errors, warnings, and logs from a web page with optional URL targeting and level filtering. Helps diagnose JavaScript exceptions and debugging output during browser automation.

Instructions

获取 Console 异常和日志

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": "get_console_errors"
  }
}

Input Schema

NameRequiredDescriptionDefault
urlNo页面 URL（可选，如果未提供则使用当前页面）
levelNo日志级别过滤all

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.3.0

TDQS

B3.2/5.0
Behavior2/5

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

With no annotations, the description must disclose behavioral traits. It only states the function without mentioning whether it is read-only, whether it clears logs, requires a page to be loaded, or any side effects.

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, short sentence with no unnecessary words. It is appropriately concise for a simple tool, but could benefit from slightly more detail without becoming verbose.

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

Completeness3/5

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

Given the low complexity (2 parameters, no nested objects, no output schema), the description is minimally adequate. It does not explain the return format or any preconditions, but the parameters are well-defined in the schema.

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

Parameters3/5

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

Schema coverage is 100%, as both parameters have descriptions. The description adds no additional meaning beyond the schema, meeting the baseline but not exceeding it.

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

Purpose5/5

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

The description clearly states the tool retrieves console exceptions and logs. The verb 'get' and resource 'console errors/logs' are specific, and sibling tools like 'analyze_memory' or 'take_screenshot' are distinct.

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. There is no mention of prerequisites, expected context, or cases where other tools might be more appropriate.

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

Deploy Server

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