ThunderClaude

Información de la versión

Versión 0.3.2 Publicado el Oct. 2, 2026 78.4 KiB Funciona con Thunderbird 128.0 y posterior

Claude Opus 5.5, Claude Sonnet 5.5 and the GPT-6 generation are now available in the model lists.

Updated model lists
- Anthropic: claude-opus-5-5 (default), claude-fable-5-1, claude-sonnet-5-5, claude-haiku-4-5. Retired: claude-opus-5, claude-sonnet-5.
- OpenAI: gpt-6-luna (default), gpt-6-astra, gpt-6.1-sol, gpt-5.6-terra. Retired: gpt-5.6-luna, gpt-5.6-sol.
- OpenRouter: openai/gpt-6-luna (default), openai/gpt-6-astra, anthropic/claude-opus-5.5, anthropic/claude-fable-5.1, google/gemini-3.8-flash, x-ai/grok-4.7, z-ai/glm-5.3, deepseek/deepseek-v4.1-flash. Retired: openai/gpt-5.6-luna, anthropic/claude-opus-5.
- Local LLMs: qwen3.8 (default), gemma4, glm-5.3-flash, deepseek-v4.1-flash. Retired: qwen3.6.
- Gemini, xAI Grok, Z.ai GLM, MiniMax and DeepSeek are unchanged.

Your settings and API keys are kept on upgrade. If you had chosen a model that is no longer in the list, it stays selected and shows up as "custom". Providers still on their default model move to the new default.

Código fuente publicado bajo Licencia pública GNU, versión 3.0

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Política de privacidad

ThunderClaude Privacy Policy

Last updated: 2026-05-25

ThunderClaude is a Thunderbird MailExtension that rewrites the email you are composing using a Large Language Model (LLM) provider that you choose and configure. This document explains exactly what data the add-on handles, where it goes, and what stays on your device.

ThunderClaude has no servers of its own. It collects no analytics, no telemetry, and no crash reports. Nothing is sent anywhere except to the single LLM provider endpoint you configure, and only when you ask for a rewrite.
What is sent off your device, and to whom

When — and only when — you trigger a rewrite, ThunderClaude sends the following to the API endpoint of the provider you configured (for example Anthropic, OpenAI, Google, DeepSeek, MiniMax, OpenRouter, or a custom/OpenAI-compatible endpoint):

The text of the email draft you are composing, or the portion you selected.
Your chosen instruction (a preset such as "Make formal", a target language, or your own custom instruction).

This request is sent directly from your computer to the provider over HTTPS. ThunderClaude verifies the request hostname matches the selected provider before every call, sends the request with credentials: 'omit' and referrer-policy: no-referrer, and never routes it through any intermediary.

Once the draft reaches the provider, the provider's own privacy policy and terms govern that data. Different providers have different retention and training practices; review the policy of the provider you choose. ThunderClaude cannot control what a third-party provider does with the text you send it.
Inline images

Inline images in your draft (whether embedded cid: attachments, remote images, or data: images) are not sent to the provider. They are replaced with placeholder tokens before the request and restored locally afterwards, so their contents and URLs never leave your device through ThunderClaude.
Local providers

If you configure a local provider (Ollama or LM Studio on localhost), your draft is sent only to that local service on your own machine and does not leave your device at all.
What is stored on your device

ThunderClaude stores the following in Thunderbird's local extension storage (storage.local) on your computer:

Your settings: selected provider, model, theme, and onboarding state.
Your provider API key, encrypted at rest with a profile-local AES-GCM key.

The API key is only ever decrypted in memory to be sent as the authorization header to the matching provider's host. It is never transmitted to any other destination, and never written to logs (logs redact key-like strings and truncate prompt/response bodies).

This at-rest encryption protects the key from casual inspection of the profile on disk. It is not end-to-end encryption and does not defend against malware running as your user account or someone with full access to your unlocked profile while Thunderbird can read it.
What ThunderClaude does not do

No analytics, telemetry, usage tracking, or crash reporting.
No advertising, and no selling or sharing of your data.
No network connections other than to the provider endpoint you configure.
No remote code loading.

Your control over your data

Your draft and instruction are sent only when you explicitly start a rewrite.
You can change or remove your stored provider key at any time from the extension's options page.
Removing the ThunderClaude add-on deletes its locally stored settings and the encrypted key from your Thunderbird profile.

Changes to this policy

If this policy changes, the updated version will be published in the ThunderClaude source repository with a new "Last updated" date.
Contact

Questions or privacy concerns: please open an issue on the ThunderClaude GitHub repository (https://github.com/kenzo47/ThunderClaude).

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ThunderClaude 0.3.2

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Versión 0.3.2 Publicado el Oct. 2, 2026 78.4 KiB Funciona con Thunderbird 128.0 y posterior

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ThunderClaude 0.3.2

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Versión 0.3.2 Publicado el Oct. 2, 2026 78.4 KiB Funciona con Thunderbird 128.0 y posterior

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