Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
| CWS_ITEM_ID | No | Default extension item ID | |
| CWS_CLIENT_ID | Yes | Google OAuth2 Client ID | |
| CWS_PUBLISHER_ID | No | Publisher ID | me |
| CWS_CLIENT_SECRET | Yes | Google OAuth2 Client Secret | |
| CWS_REFRESH_TOKEN | Yes | OAuth2 Refresh Token | |
| CWS_DASHBOARD_PROFILE_DIR | No | Browser profile path for UI automation | ~/.cws-mcp-profile |
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": true
} |
| prompts | {
"listChanged": true
} |
| resources | {
"listChanged": true
} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| upload | Upload a ZIP file to update an existing Chrome Web Store item draft. Note: Creating new items via API is not supported in v2 — use the Developer Dashboard to create new items. |
| publish | Publish an extension to Chrome Web Store. Supports immediate publish, staged publish, initial deploy percentage, and skip-review. |
| status | Fetch the current status of an extension on Chrome Web Store. Returns published/submitted revision status, deploy percentage, version, takedown/warning flags, and last upload state. |
| cancel | Cancel a pending submission on Chrome Web Store. Can be used to cancel an item currently in review. |
| deploy-percentage | Set the published deploy percentage for staged rollout on Chrome Web Store. The new percentage must be higher than the current target. Only available for items with 10,000+ seven-day active users. |
| get | Get the current metadata of a Chrome Web Store item (v1.1 API). Returns title, description, category, and other listing fields. Note: v1 API is deprecated and will be removed after Oct 15, 2026. |
| update-metadata | Update the store listing metadata of a Chrome Web Store item (v1.1 API). Supports both common fields and raw metadata payload for advanced fields. Note: v1 API is deprecated and will be removed after Oct 15, 2026. Use update-metadata-ui as an alternative. |
| update-metadata-ui | Update listing metadata via Chrome Web Store dashboard UI automation (Playwright). Use this when API metadata updates are not reflected, or as the primary metadata update method since the v1 API is deprecated. |
Prompts
Interactive templates invoked by user choice
| Name | Description |
|---|---|
| publish_extension | Step-by-step guide for publishing or updating a Chrome extension on the Chrome Web Store. Walks through upload, metadata update, and publish steps. |
| check_status | Check the review status and deployment percentage of a Chrome extension, and surface any actionable next steps. |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
| extension-status | Get the current status and metadata of a Chrome Web Store extension by its item ID. Returns review status, deploy percentage, and listing info. |