# Proton Bridge MCP

> Use this tool when you need to send properly threaded email replies through Proton Mail Bridge using SMTP. It solves the problem of incorrect email threading and avoids IMAP draft pitfalls by adding correct In-Reply-To and References headers. Ideal for users who require seamless email integration with Proton Mail Bridge, ensuring accurate and organized email conversations.

Canonical page: https://skillsregistry.net/skills/krantiutils-proton-bridge-mcp  
JSON: https://api.skillsregistry.net/v1/skills/krantiutils-proton-bridge-mcp

## Description

Enables sending correctly threaded email replies through Proton Mail Bridge using SMTP with proper In-Reply-To and References headers, avoiding IMAP draft pitfalls.

## Trust

- **Trust score (0–1):** 0.94
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** communication
- **Updated:** 2026-09-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/tal3m04eh3)
- **Repository:** <https://github.com/krantiutils/proton-bridge-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "krantiutils-proton-bridge-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/krantiutils-proton-bridge-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/krantiutils-proton-bridge-mcp/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt