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Send USPS letters & certified mail from any agent. Hosted: sign in, no install.
MailSnail is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 97/100. This catalog entry is the indexed repository iancollins27/mailsnail. The command is the string recorded from the source. It is not proof of a one-click install in every client. An MCP server exposes callable tools to a client. An agent skill is an instruction package. This entry is an MCP server record. 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. Review the repository push date and repository status before adding MailSnail to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add io.github.iancollins27/mailsnail https://api.mailsnail.dev/mcpThe command is the string recorded from the source. It is not proof of a one-click install in every client.
Review the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-11-13T22:16:28.912188Z",
"publishedAt": "2026-11-13T22:16:28.912188Z",
"statusChangedAt": "2026-11-13T22:16:28.912188Z"
}
},
"server": {
"name": "io.github.iancollins27/mailsnail",
"icons": [
{
"src": "https://mailsnail.dev/brand/mailsnail-icon-512.png",
"sizes": [
"512x512"
],
"mimeType": "image/png"
}
],
"title": "MailSnail",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://api.mailsnail.dev/mcp",
"type": "streamable-http"
}
],
"version": "0.6.2",
"packages": [
{
"version": "0.6.0",
"transport": {
"type": "stdio"
},
"identifier": "mailsnail",
"registryType": "npm",
"registryBaseUrl": "https://registry.npmjs.org",
"environmentVariables": [
{
"name": "MAIL_PROVIDER",
"default": "managed",
"isRequired": true,
"description": "For self-hosting only; most people should add the hosted URL instead. 'click2mail' (your own account) or 'lob' (your own key). 'managed' needs a Stripe Shared Payment Token that most AI apps can't create."
},
{
"name": "MAIL_API_BASE_URL",
"default": "https://api.mailsnail.dev",
"description": "Hosted Mailsnail backend. Required when MAIL_PROVIDER=managed."
},
{
"name": "CLICK2MAIL_USERNAME",
"description": "Click2Mail account username. Required when MAIL_PROVIDER=click2mail."
},
{
"name": "CLICK2MAIL_PASSWORD",
"isSecret": true,
"description": "Click2Mail account password. Required when MAIL_PROVIDER=click2mail."
},
{
"name": "LOB_API_KEY",
"isSecret": true,
"description": "Lob API key. Required when MAIL_PROVIDER=lob. test_* is free; live_* actually mails."
},
{
"name": "MAIL_MCP_ALLOW_LIVE",
"default": "0",
"description": "Set to '1' to actually mail in BYOK modes. Default '0' is dry-run."
},
{
"name": "MAIL_MCP_SPEND_CAP_USD",
"default": "25",
"description": "Per-session estimated spend cap. Server refuses sends past this."
}
]
}
],
"repository": {
"url": "https://github.com/iancollins27/mailsnail",
"source": "github"
},
"websiteUrl": "https://mailsnail.dev",
"description": "Send USPS letters & certified mail from any agent. Hosted: sign in, no install."
}
}