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PhiShark Playwright MCP

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OverviewSchemaSourceRelated ServersScoreDiscussionsAdmin
JavaScript
Remote

browser_console_messages

Read-only

Fetch browser console messages filtered by severity level, with options to retrieve all session messages or save results to a file.

Instructions

Returns all console messages

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
allNoReturn all console messages since the beginning of the session, not just since the last navigation. Defaults to false.
levelYesLevel of the console messages to return. Each level includes the messages of more severe levels. Defaults to "info".info
filenameNoFilename to save the console messages to. If not provided, messages are returned as text.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.3/5.0
Behavior3/5

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

Annotations already indicate readOnlyHint true and destructiveHint false, so the description adds no conflicting side-effect information. It does not elaborate on behavior such as saving to a file, but that is covered by parameter descriptions.

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

Conciseness5/5

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

The description is a single clear sentence with no redundancy, front-loading the verb and object.

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?

For a simple read-only tool with full schema coverage, the description is adequate, though it omits explicit use-case guidance and output format details beyond what the schema provides.

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% with detailed parameter descriptions, so the tool description itself does not add meaning beyond the schema, but no parameter meaning 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?

Description uses a specific verb 'Returns' and identifies the resource 'console messages' with scope 'all', making the tool's purpose clear and distinct from sibling tools such as network request retrieval.

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 like browser_network_requests or browser_snapshot, nor does it mention filtering or filename-saving scenarios.

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

Install Server

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