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pw-browser-mcp

pw-browser-mcp

by bestdeng
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

pw-browser-mcp

Playwright MCP server for Hermes Agent — 17 browser tools with Chrome profile selection, anti-detection, and action recording.

Tools (17)

Navigation & Interaction (9): pw_navigate, pw_click, pw_type, pw_screenshot, pw_get_html, pw_get_text, pw_evaluate, pw_wait, pw_scroll

Session (3): pw_save_state, pw_close, pw_status

Chrome Profile (3): pw_list_profiles, pw_use_profile, pw_current_profile

Recording (2): pw_record_start, pw_record_stop

Related MCP server: playwright-server

Quick Start

# 1. Install deps into Hermes venv
# Windows:
HERMES_PY="C:\Users\xxx\AppData\Local\hermes\hermes-agent\venv\Scripts\python.exe"
# Linux:
# HERMES_PY="/home/xxx/.local/share/hermes/hermes-agent/venv/bin/python3"

uv pip install --python "$HERMES_PY" "mcp[cli]" playwright

# 2. Register with Hermes (auto-discovers 17 tools)
echo Y | hermes mcp add pw-browser \
  --command "$HERMES_PY" \
  --args "/abs/path/to/pw_mcp_server.py"

# 3. Start a session and use
# /new
# pw_list_profiles()
# pw_use_profile(profile_name="Profile 1")
# pw_navigate(url="https://example.com")

Environment Variables

Variable

Purpose

Default

AGENT_BROWSER_EXECUTABLE_PATH

Path to system Chrome

auto-detect

PW_HEADLESS=1

Headless mode

0 (headed)

PW_DATA_DIR

Data dir for state/ua/screenshots

./pw_mcp_data

PW_CHROME_PROFILE

Default Chrome profile name

none

PW_CHROME_USER_DATA_ROOT

Chrome User Data root override

auto-detect

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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