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BREAKING CHANGE: Remove MCP server mode #275

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Merged
jpoehnelt merged 2 commits into from
Mar 6, 2026
+5 −1,192
Merged

BREAKING CHANGE: Remove MCP server mode #275

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BREAKING CHANGE: Remove MCP server mode
sqrrrl Mar 6, 2026
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sqrrrl Mar 6, 2026
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5 changes: 5 additions & 0 deletions .changeset/no-mcp.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@googleworkspace/cli": minor
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@gemini-code-assist gemini-code-assist bot Mar 6, 2026

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high

The pull request title correctly identifies this as a BREAKING CHANGE due to the removal of the mcp command. However, the changeset is marked as minor. According to semantic versioning, breaking changes should trigger a major version update. This is important to signal to users that an update will break their existing workflows if they depend on the removed feature.

Suggested change
"@googleworkspace/cli": minor
"@googleworkspace/cli": major

---

Remove `mcp` command
1 change: 0 additions & 1 deletion AGENTS.md
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Expand Up @@ -161,7 +161,6 @@ Use these labels to categorize pull requests and issues:
- `area: docs` — README, contributing guides, documentation
- `area: tui` — Setup wizard, picker, input fields
- `area: distribution` — Nix flake, cargo-dist, npm packaging, install methods
- `area: mcp` — Model Context Protocol server/tools
- `area: auth` — OAuth, credentials, multi-account, ADC
- `area: skills` — AI skill generation and management

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34 changes: 0 additions & 34 deletions README.md
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Expand Up @@ -34,7 +34,6 @@ npm install -g @googleworkspace/cli
- [Why gws?](#why-gws)
- [Authentication](#authentication)
- [AI Agent Skills](#ai-agent-skills)
- [MCP Server](#mcp-server)
- [Advanced Usage](#advanced-usage)
- [Environment Variables](#environment-variables)
- [Architecture](#architecture)
Expand Down Expand Up @@ -258,39 +257,6 @@ The `gws-shared` skill includes an `install` block so OpenClaw auto-installs the

Installing this extension gives your Gemini CLI agent direct access to all `gws` commands and Google Workspace agent skills. Because `gws` handles its own authentication securely, you simply need to authenticate your terminal once prior to using the agent, and the extension will automatically inherit your credentials.

## MCP Server

`gws mcp` starts a [Model Context Protocol](https://modelcontextprotocol.io) server over stdio, exposing Google Workspace APIs as structured tools that any MCP-compatible client (Claude Desktop, Gemini CLI, VS Code, etc.) can call.

```bash
gws mcp -s drive # expose Drive tools
gws mcp -s drive,gmail,calendar # expose multiple services
gws mcp -s all # expose all services (many tools!)
```

Configure in your MCP client:

```json
{
"mcpServers": {
"gws": {
"command": "gws",
"args": ["mcp", "-s", "drive,gmail,calendar"]
}
}
}
```

> [!TIP]
> Each service adds roughly 10–80 tools. Keep the list to what you actually need
> to stay under your client's tool limit (typically 50–100 tools).

| Flag | Description |
| ----------------------- | -------------------------------------------- |
| `-s, --services <list>` | Comma-separated services to expose, or `all` |
| `-w, --workflows` | Also expose workflow tools |
| `-e, --helpers` | Also expose helper tools |

## Advanced Usage

### Multipart Uploads
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6 changes: 0 additions & 6 deletions src/main.rs
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Expand Up @@ -31,7 +31,6 @@ mod formatter;
mod fs_util;
mod generate_skills;
mod helpers;
mod mcp_server;
mod oauth_config;
mod schema;
mod services;
Expand Down Expand Up @@ -133,11 +132,6 @@ async fn run() -> Result<(), GwsError> {
return auth_commands::handle_auth_command(&auth_args).await;
}

// Handle the `mcp` command
if first_arg == "mcp" {
return mcp_server::start(&args[1..]).await;
}

// Parse service name and optional version override
let (api_name, version) = parse_service_and_version(&args, &first_arg)?;

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