Cws

Name: Cws
Author: mikusnuz

by mikusnuzcommunityv1.4.1

This MCP server facilitates the management of Chrome Web Store extensions, allowing users to upload, publish, and check the status of their extensions directly from Claude Code or any MCP client.

From the registry: MCP server for Chrome Web Store — extension upload, publish, status, and rollout

GitHub Repository

Install & configure

Prerequisites

required
Create OAuth2 credentials
In Google Cloud Console, enable Chrome Web Store API and create Desktop-app OAuth2 credentials.
https://console.cloud.google.com/
required
Obtain refresh token
Exchange authorization code for a refresh token.

Install in your client

Paste into the AI you're chatting with — it will figure out the rest

Please install the `cws` MCP server into my current AI client (that's you).

Required prerequisites (do these first if not already done):
- **Create OAuth2 credentials** — In Google Cloud Console, enable Chrome Web Store API and create Desktop-app OAuth2 credentials. (https://console.cloud.google.com/)
- **Obtain refresh token** — Exchange authorization code for a refresh token.

Canonical MCP server config (stdio transport):
- command: `npx`
- args: ["-y","cws-mcp"]
- required environment variables:
  - `CWS_CLIENT_ID`: Google OAuth2 client ID. (example: `<your-client-id>.apps.googleusercontent.com`)
  - `CWS_CLIENT_SECRET`: Google OAuth2 client secret. (example: `<your-client-secret>`)
  - `CWS_REFRESH_TOKEN`: OAuth2 refresh token. (example: `<your-refresh-token>`)
  - `CWS_PUBLISHER_ID`: Chrome Web Store publisher ID (usually 'me'). (example: `me`)
  - `CWS_ITEM_ID`: Chrome Web Store extension item ID. (example: `<your-extension-id>`)

Add this MCP server to my current client's config in the correct format for you. If you need secrets or credentials I haven't provided, ASK me — do not invent values or leave raw placeholders. After adding it, tell me how to verify the server is connected.

Tools (6)

upload

Upload a ZIP file to Chrome Web Store (update existing item draft)

publish

Publish an extension with optional staged rollout, publish type, and skip-review

status

Fetch the current status including review state, deploy percentage, and version

cancel

Cancel a pending submission

deploy-percentage

Set staged rollout percentage (0-100, must exceed current target)

update-metadata-ui

Update listing metadata via dashboard UI automation (Playwright)

Environment variables

CWS_CLIENT_IDrequiredGoogle OAuth2 Client ID

CWS_CLIENT_SECRETrequiredGoogle OAuth2 Client Secret

CWS_REFRESH_TOKENrequiredOAuth2 Refresh Token

Packages

cws-mcp

npmv1.4.1transport: stdio

Details

Language: JavaScript
License: MIT
Released: Mar 19, 2026
Last commit: Apr 13, 2026
Registry name: io.github.mikusnuz/cws

Related Servers

Netdata

Real-time infrastructure monitoring with metrics, logs, alerts, and ML-based anomaly detection.

79.8k

Codebase Memory Mcp

Persistent codebase knowledge graph. Survives session restarts and context compaction.

33.8k

Oh My Posh Validator

Validate oh-my-posh configurations and segment snippets against the official schema.

23.1k

Cws