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Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links.
MailFixture is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 86/100. 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 MailFixture to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.
mcp add com.mailfixture/mailfixture https://mailfixture.com/mcpReview the upstream source before running this command.
{
"_meta": {
"io.modelcontextprotocol.registry/official": {
"status": "active",
"isLatest": true,
"updatedAt": "2026-07-11T16:14:10.413446Z",
"publishedAt": "2026-07-11T16:14:10.413446Z",
"statusChangedAt": "2026-07-11T16:14:10.413446Z"
}
},
"server": {
"name": "com.mailfixture/mailfixture",
"icons": [
{
"src": "https://mailfixture.com/static/logo-400.png",
"sizes": [
"400x400"
],
"mimeType": "image/png"
}
],
"title": "MailFixture",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://mailfixture.com/mcp",
"type": "streamable-http",
"headers": [
{
"name": "Authorization",
"value": "Bearer {api_key}",
"isSecret": true,
"variables": {
"api_key": {
"isSecret": true,
"isRequired": true,
"description": "mfx_ API key from the MailFixture dashboard (https://mailfixture.com/app/keys)"
}
},
"isRequired": true,
"description": "MailFixture API key as a bearer token"
}
]
}
],
"version": "0.1.0",
"websiteUrl": "https://mailfixture.com",
"description": "Test-inbox API for email and SMS: create inboxes, long-poll messages, extract OTPs and links."
}
}