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Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.
Atomic Mail is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 70/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding Atomic Mail to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add io.github.Atomic-Mail/mcp https://mcp.atomicmail.ai/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-09-18T10:49:04.468074Z",
"publishedAt": "2026-09-18T10:49:04.468074Z",
"statusChangedAt": "2026-09-18T10:49:04.468074Z"
}
},
"server": {
"name": "io.github.Atomic-Mail/mcp",
"title": "Atomic Mail",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://mcp.atomicmail.ai/mcp",
"type": "streamable-http"
}
],
"version": "0.3.27",
"packages": [
{
"version": "0.3.27",
"transport": {
"type": "stdio"
},
"identifier": "@atomicmail/mcp-modelcontextprotocol",
"registryType": "npm",
"environmentVariables": [
{
"name": "ATOMIC_MAIL_CREDENTIALS_DIR",
"description": "Override default credential directory (~/.atomicmail/)"
},
{
"name": "ATOMIC_MAIL_API_KEY",
"isSecret": true,
"description": "Existing API key — skips PoW registration"
},
{
"name": "ATOMIC_MAIL_AUTH_URL",
"description": "Override auth service base URL"
},
{
"name": "ATOMIC_MAIL_API_URL",
"description": "Override JMAP API base URL"
},
{
"name": "ATOMIC_MAIL_INBOX_DOMAIN",
"description": "Default inbox domain when inboxId has no @ (default: atomicmail.ai)"
}
]
}
],
"repository": {
"url": "https://github.com/Atomic-Mail/atomic-mail-agentic",
"source": "github"
},
"websiteUrl": "https://atomicmail.ai",
"description": "Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server."
}
}