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Mails.ai — Agent Email

Local package path declaredCredentials listedUpdated 2026-10-04

ai.mails/agent-email · Registry status: active

At a glance

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

Vendor's own description, untranslated and unverified

Execution location
Local package path declaredMCP-Register · 2026-10-04
Required secrets declared
Credentials listedMCP-Register · 2026-10-04
Declared version and change
0.2.12 · Source-reported change date 2026-10-04MCP-Register · 2026-10-05
Configuration
can be built from the disclosed start template

Inspect connection paths and prerequisites

Related categories

6 of 11 categories. All categories in the segment catalogue

What this entry shares with others

Same package, another registry entry

Page last changed:

Sources and collection
Runs
Local package path declared
Credentials
Credentials listed
Registry record changed
2026-10-04
Setup
Template available
Registry name
ai.mails/agent-email
Package coordinate
npm:@mailsai/mcp-server
Declared version
0.2.12
Source-reported listing date
2026-10-04
Source-reported change date
2026-10-04
First seen by tracevero
2026-10-04
Vendor's website
https://mails.ai

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin. What the confidence levels mean

Measured values

Measured values
Required secrets declaredCredentials listed yes
Original data – Required secret variables (raw): MAILS_API_KEY
Original data – Required secret headers (raw): confirmed absent
Source: MCP-Register · collected on 2026-10-04 · derived
Execution locationLocal package path declared local
Original data – Transports (raw): stdio
Source: MCP-Register · collected on 2026-10-04 · derived
Path argument presentno
Original data – Path arguments (raw): confirmed absent
Original data – Path environment variables (raw): confirmed absent
Source: MCP-Register · collected on 2026-10-04 · derived
Repository URL listedNo repository declared no
Original data – Repository (raw): confirmed absent
Source: MCP-Register · collected on 2026-10-04 · derived
Field of use, derived from the vendor descriptionEmail
Original data – Description (raw): A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.
Source: MCP-Register · collected on 2026-10-04 · derived
Declared version0.2.12
Source: MCP-Register · collected on 2026-10-05 · self-declared

What is measured is what a manifest declares, not what a piece of software does. This registry fetches no repository URL, no endpoint and no package index; nothing here is verified. Which value comes from which source, and by which rule it was formed, is set out in the Methodology.

Source data25

Evidence for this page: The values on this page come from several collections. Each row therefore states its own origin.

Raw values
Description (raw)A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.
Source: MCP-Register · collected on 2026-10-04 · self-declared
Environment variables (raw)MAILS_API_KEY, MAILS_BASE_URL
Source: MCP-Register · collected on 2026-10-04 · self-declared
Required secret variables (raw)MAILS_API_KEY
Source: MCP-Register · collected on 2026-10-04 · self-declared
Transports (raw)stdio
Source: MCP-Register · collected on 2026-10-04 · self-declared
Path arguments (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Repository (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Package registries (raw)npm
Source: MCP-Register · collected on 2026-10-04 · self-declared
Required secret headers (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Path environment variables (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Remote URLs (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Remote hosts (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Registry status message (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
First listed in the registry (raw)2026-10-04
Source: MCP-Register · collected on 2026-10-05 · self-declared
Last changed in the registry (raw)2026-10-04
Source: MCP-Register · collected on 2026-10-05 · self-declared
Schema version of the raw record (raw)https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json
Source: MCP-Register · collected on 2026-10-04 · self-declared
Delivery form (raw)package
Source: MCP-Register · collected on 2026-10-04 · self-declared
Repository platform (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Repository subfolder (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Package identifiers (raw)@mailsai/mcp-server
Source: MCP-Register · collected on 2026-10-04 · self-declared
Package versions (raw)0.2.12
Source: MCP-Register · collected on 2026-10-05 · self-declared
Runtime hints (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Environment variable formats (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Environment variable descriptions (raw)MAILS_API_KEY=Your mails.ai API key. Use an mk_test_ key to run against the sandbox or an mk_live_ key to send real mail. Free key at https://mails.ai · MAILS_BASE_URL=Override the API base URL. Defaults to the hosted mails.ai API; only needed for staging or self-hosted deployments.
Source: MCP-Register · collected on 2026-10-04 · self-declared
Icon formats (raw)confirmed absent
Source: MCP-Register · collected on 2026-10-04 · self-declared
Connection paths (source structure){"packages":[{"registryType":"npm","identifier":"@mailsai/mcp-server","version":"0.2.12","transport":"stdio","environment":[{"name":"MAILS_API_KEY","description":"Your mails.ai API key. Use an mk_test_ key to run against the sandbox or an mk_live_ key to send real mail. Free key at https://mails.ai","required":true,"secret":true},{"name":"MAILS_BASE_URL","description":"Override the API base URL. Defaults to the hosted mails.ai API; only needed for staging or self-hosted deployments.","required":false,"secret":false}],"additional_arguments_declared":false}],"remotes":[]}
Source: MCP-Register · collected on 2026-10-05 · self-declared
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tracevero: number of measured values and date of collection for this registry entry

[![tracevero: number of measured values and date of collection for this registry entry](https://tracevero.com/badge/mcp/ai-mails-agent-email.svg)](https://tracevero.com/mcp/ai-mails-agent-email)

The image is drawn again on every request, so it always reports the current state while the pasted line stays as it is. It carries no rating and no traffic light – only the two measured figures.

Changes

Changes
2026-10-05Declared version: 0.2.11 → 0.2.12
2026-10-05Last changed in the registry (raw): 2026-10-03 → 2026-10-04
2026-10-05First listed in the registry (raw): 2026-10-03 → 2026-10-04

These are the 3 most recent changes to this entry. Full history

tracevero · https://tracevero.com/mcp/ai-mails-agent-email