Kernel MCP Server

Settings > Connectors > Add custom connector
URL: https://mcp.onkernel.com/mcp

claude mcp add --transport http kernel-mcp-server "https://mcp.onkernel.com/mcp"

{
  "mcpServers": {
    "kernel-mcp-server": {
      "url": "https://mcp.onkernel.com/mcp"
    }
  }
}

{
  "servers": {
    "kernel-mcp-server": {
      "type": "http",
      "url": "https://mcp.onkernel.com/mcp"
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

• manage_browsers

  Create, update, list, get, and delete browser sessions, and read archived telemetry for active or deleted sessions.

• manage_profiles

  Setup (with guided live browser session), search/list with pagination, get, and delete browser profiles for persisting…

• manage_projects

  Create, list, get, update, and delete organization projects. Inspect and update per-project resource limits.

• manage_api_keys

  Create, list, get, update, and delete org-wide or project-scoped API keys. Create returns the plaintext key once.

• manage_browser_pools

  Create, list, get, delete, and flush pools of pre-warmed browsers. Acquire and release browsers from pools.

• manage_browser_files

  Read, write, upload, download, and manage files in running browser VMs.

• manage_config_registry

  Look up current browser and proxy recommendations, start and inspect analyses, request cancellation, and list project…

• manage_proxies

  Create, list, get, check, and delete proxy configurations (datacenter, ISP, residential, mobile, custom).

• manage_replays

  Start, stop, and list MP4 video replay recordings for a browser session.

• web_search

  Search the web, retrieve retained results, and inspect provider capabilities.

• manage_extensions

  List and delete uploaded browser extensions.

• manage_apps

  List/search apps, invoke actions, get/list/delete deployments, and get invocation results.

• manage_auth_connections

  Create, list, get, update, delete, login, submit, inspect timelines, and wait for managed-auth connections in every…

• manage_credentials

  Create, list, get, update, and delete stored credentials; fetch a current TOTP code for credentials with a configured…

• manage_credential_providers

  Create, list, get, update, and delete external credential providers (e.g.

• manage_vault_provider_configs

  Create, list, get, rename, rotate secrets, and delete organization-owned Link and AgentCard configurations.

• manage_vaults

  Create, list, get, and delete project-owned vaults; use one per end user.

• manage_vault_wallets

  Connect Kernel-managed or configured Link/AgentCard wallets, import Link grants from a trusted backend, and inspect…

• manage_vault_cards

  Create or update card requests according to the API's lifecycle rules; does not implicitly authorize Link cards.

• manage_vault_credentials

  Create credentials through one of two user-chosen paths: Kernel-hosted collection (definitions for private human…

• manage_vault_items

  List, get, invoke advertised operations (including fill and webmcpinvoke with value-free bindings), observe events,…

• get_connection_context

  Inspect the authenticated principal, organization, credential scope, and effective project scope.

• computer_action

  Mouse, keyboard, clipboard, and screenshot controls for browser sessions (click, type, presskey, scroll, move,…

• browser_curl

  Send HTTP requests through an existing browser session's Chrome network stack.

• execute_playwright_code

  Execute isolated Playwright/TypeScript code and browser-wide WebMCP helpers against an existing browser session.

• browser_repl

  Execute JavaScript in a persistent Node.js runtime inside an existing browser VM.

• webmcp

  Discover native and custom tools across tabs and frames, invoke an exact opaque toolref, and manage custom definitions…

• exec_command

  Run shell commands inside a browser VM. Returns decoded stdout/stderr.

• search_docs

  Search Kernel platform documentation and guides.

• get_more_tools

  Report a structured KERNEL capability, external-integration gap, or missing site-specific WebMCP action after checking…

• submit_feedback

  Send product, site-compatibility, config-registry, MCP, or documentation feedback directly to the KERNEL team without…

• open_auth_login

  Open a secure interactive Managed Auth MCP App after user consent.

• list

  Optional excludecustom: true excludes custom tools; omitted or false includes them.

• invoke

  toolref from the latest list, input matching tool.inputSchema, optional timeoutsec (1–120, default 60).

• list_custom

  None beyond session/project.

• add_custom

  namespace, source, optional forceoverwritenamespace.

• remove_custom

  customtoolid from listcustom or addcustom (matches ^ct[a-z][a-z0-9]{23}$).

A Model Context Protocol (MCP) server that provides AI assistants with secure access to Kernel platform tools and browser automation capabilities.

• ai-agents
• browser-automation
• cloud-browser
• devtool
• headless-chromium
• kernel
• mcp
• model-context-protocol
• nextjs
• nodejs