AI Plugin Index
thunderbird-cli
CommunityMCP server by vitalio-sh · updated · ★ 60 · 56 downloads a week
Give AI agents full read/write email access via Mozilla Thunderbird. Zero credentials. thunderbird-cli is a community project by vitalio-sh, not verified by a company domain.
Last commit 6 days ago
MIT: permissive, fine for commercial use
Clear description, published package or server URL, 60 stars, original repository
No risky patterns in the files we checked
What you need
| Setting | Needed | What it is |
|---|---|---|
TB_Environment variable | Optional | Hostname of the thunderbird-cli-bridge (default: 127.0.0.1). Set to host.docker.internal when running inside a container. |
TB_Environment variable | Optional | HTTP port of the thunderbird-cli-bridge (default: 7700). |
From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.
Install thunderbird-cli
Built from the published package, never by AIclaude mcp add thunderbird-cli -- npx -y thunderbird-cli-mcpRun in your terminal. Add --scope user to use it in every project.
{
"mcpServers": {
"thunderbird-cli": {
"command": "npx",
"args": [
"-y",
"thunderbird-cli-mcp"
]
}
}
}Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.
{
"mcpServers": {
"thunderbird-cli": {
"command": "npx",
"args": [
"-y",
"thunderbird-cli-mcp"
]
}
}
}Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).
{
"servers": {
"thunderbird-cli": {
"command": "npx",
"args": [
"-y",
"thunderbird-cli-mcp"
]
}
}
}Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".
codex mcp add thunderbird-cli -- npx -y thunderbird-cli-mcp{
"mcpServers": {
"thunderbird-cli": {
"command": "npx",
"args": [
"-y",
"thunderbird-cli-mcp"
]
}
}
}Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).
gemini mcp add thunderbird-cli npx -y thunderbird-cli-mcpGemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.
MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the thunderbird-cli block.
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Security check
ANo download-and-run commands, hidden instructions or signs of sending keys out were found.
Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work
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thunderbird-cli: common questions
How do I install thunderbird-cli?
In Claude Code run claude mcp add thunderbird-cli -- npx -y thunderbird-cli-mcp. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.
Is thunderbird-cli the official server?
thunderbird-cli is a community project by vitalio-sh, not verified by a company domain.
Is thunderbird-cli free?
The code is published under the MIT licence. The service it connects to may have its own pricing.
Is thunderbird-cli safe to use?
It scores 76 of 100. Grades: maintenance A, licence A, quality B. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.
What are alternatives to thunderbird-cli?
Similar MCP servers: Vexa, TradingMCP, Agent-Native Brain, Agent-Native Chat.
Does thunderbird-cli work with ChatGPT?
Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.