nexus-browser-mcp
by paipaipai666
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| BROWSER_MODE | No | Set to 'isolated' for a fresh isolated browser or 'cdp' to attach to your Chrome via CDP. | isolated |
| BROWSER_CHANNEL | No | System browser channel: 'chrome', 'msedge', etc. Empty uses Playwright bundled Chromium. | |
| BROWSER_HEADLESS | No | Headless mode (isolated only). | false |
| BROWSER_AUDIT_PATH | No | Path to audit log. | ~/.nexus-browser/audit.jsonl |
| BROWSER_HITL_RULES | No | JSON array of human-in-the-loop rules, e.g. [{"action":"click","name_pattern":"pay|confirm"}]. | [] |
| BROWSER_CDP_ENDPOINT | No | CDP endpoint when BROWSER_MODE=cdp. | http://localhost:9222 |
| BROWSER_USER_DATA_DIR | No | User data directory carrying cookies/login. When set, one shared persistent context across tasks. | |
| BROWSER_CONTEXT_TTL_SEC | No | Idle task auto-reclaim time in seconds. | 600 |
| BROWSER_STABLE_REQUIRED | No | Consecutive identical snapshots required to confirm stability. | 2 |
| BROWSER_STREAM_CHAR_CAP | No | Maximum characters per stream buffer. | 16000 |
| BROWSER_STREAM_PAGE_CAP | No | Total stream buffer characters per page. | 64000 |
| BROWSER_TOOL_TIMEOUT_MS | No | Outer timeout guard per tool call in milliseconds. | 60000 |
| BROWSER_STABLE_WINDOW_MS | No | Quiet window: duration without DOM mutations to consider the page stable, in milliseconds. | 800 |
| BROWSER_STABLE_TIMEOUT_MS | No | Total stability-wait timeout in milliseconds. | 3000 |
| BROWSER_ALLOW_JS_EXECUTION | No | Allow browser_evaluate tool (defaults to false, and requires confirmation when enabled). | false |
| BROWSER_DEFAULT_TIMEOUT_MS | No | Playwright per-operation timeout in milliseconds. | 30000 |
| BROWSER_SNAPSHOT_MAX_NODES | No | Maximum number of nodes per snapshot. | 100 |
Instructions
Guidance the server publishes about itself, which clients place ahead of the tool catalog so the model reads it before choosing anything.
This server publishes no instructions, or was last inspected before Glama recorded them.
Capabilities
Server capabilities have not been inspected yet.
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
No tools | |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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