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Commonpost MCP for Thunderbird
Community continuation of the Thunderbird MCP add-on and local stdio bridge, exposing mail, compose, filters, calendar and contacts to authorized agents. Requires a matching extension and bridge release, Thunderbird 140+ and Node 22+; not affiliated with Mozilla or the original author. Review all sends and mutations. Repository created September 26, 2026.
MCP unverified
Integration
| Transport | stdio |
| Auth | none |
| Endpoint | node /absolute/path/to/mcp-bridge.cjs |
| Install | Download matching XPI and mcp-bridge.cjs from https://github.com/commonpost/thunderbird-mcp/releases/latest; install XPI in Thunderbird and launch node /absolute/path/to/mcp-bridge.cjs |
Use Cases
| 01 | Search an authorized mailbox |
| 02 | Prepare a draft for review |
| 03 | Inspect calendar and contacts |
Tags
thunderbird email calendar contacts extension stdio
Machine-readable: /api/servers.json
· JSON-LD schema embedded in <head>