Skip to main content
Glama
ImadMoka

playwright-mcp-supercharged

by ImadMoka

browser_network_requests

Read-only

Retrieve all network requests since page load, filter by URL, and optionally include headers, bodies, static assets, or save results to a file.

Instructions

Returns all network requests since loading the page

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
filterNoOnly return requests whose URL matches this regexp (e.g. "/api/.*user").
staticYesWhether to include successful static resources like images, fonts, scripts, etc. Defaults to false.
filenameNoFilename to save the network requests to. If not provided, requests are returned as text.
sessionIdNoTarget session ID. Omit to use the active session.
requestBodyYesWhether to include request body. Defaults to false.
requestHeadersYesWhether to include request headers. Defaults to false.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.2/5.0
Behavior3/5

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

Annotations already declare readOnlyHint=true, destructiveHint=false and openWorldHint=true, so safety is covered. The description adds one genuinely useful behavioral fact, the capture window ('since loading the page'), but says nothing about output form, volume limits, or that results are per-session — gaps the annotations do not fill.

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?

A single front-loaded sentence with zero filler — the scope constraint appears immediately. It is arguably too terse for a six-parameter tool, but nothing in the text is wasted.

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 six-parameter, no-output-schema tool the description is minimal: it conveys what is returned and the capture window, but omits how results are shaped, whether pagination or truncation applies, and the need for an active page/session. Annotations and the rich schema cover much of the rest, keeping this at a minimally adequate level.

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 description coverage is 100%, so every parameter (filter, static, filename, sessionId, requestBody, requestHeaders) is self-documenting. The description adds no parameter meaning beyond the schema, which is the expected baseline when the schema does the heavy lifting.

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?

States a specific verb and resource ('Returns all network requests') plus a meaningful temporal scope ('since loading the page'). It is clearly distinguishable from write-oriented siblings like browser_click or browser_navigate, though it does not explicitly contrast with the nearest sibling, browser_console_messages.

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?

The description gives no when-to-use guidance, no prerequisites (e.g. that a page must be loaded first), and never names an alternative tool for related diagnostics. The intended usage is only weakly implied by the phrase 'since loading the page'.

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