MailAgent icon

MailAgent

Temporary inboxes for Codex — OTP, magic links, signup QA, simulate-first autotests (23 MCP tools).

mailagent/mailagent · v0.2.8 · Development & Workflow

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InstallSourceClaim this plugin
74Follow0

Trust Score

74

Security

83

Surfaces

2

What is MailAgent?

MailAgent is a published development & workflow plugin for AI coding agents in the mcp ecosystem, developed by MailAgent and distributed through the HOL AI plugin registry. Temporary inboxes for Codex — OTP, magic links, signup QA, simulate-first autotests (23 MCP tools).

Canonical slug
mailagent/mailagent
Version
v0.2.8 · updated Sep 20, 2026

Trust & Reputation

HOL Trust Score
74

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability
100pts
Maintenance
30pts
MCP Posture
100pts
Plugin Security
83pts
Provenance
35pts
Publisher Quality
75pts

Registry Snapshot

Publisher verification
No
Marketplace source
Unknown
Scanner
Broker fallback
Safety label
review
Digest verified
Yes
1 bundled skill — copy or download SKILL.mdOpen skills

Trust & reputation

Trust & Reputation

HOL Trust Score
74

Factor Analysis

Per-metric points (0–100 each) combined via a weighted average into the overall score.

Installability
100pts
Maintenance
30pts
MCP Posture
100pts
Plugin Security
83pts
Provenance
35pts
Publisher Quality
75pts

Provenance

Plugin root
examples/codex/plugin
Source repo
https://github.com/Alex0nder/MailAgent
Source commit
Unpinned
Publisher verified
No
Owner verified
Not owner verified

Continuous scanner CI detected

No action is required. This plugin receives the full trust score.

Verified badge not detected

Add the HOL verified badge to the repository README to score +2% trust. Plugin owners can open that pull request from Guard Plugins.

Security Posture

review
Safety label
83
Security score
0
High findings
Provider
registry-broker-fallback
Grade
B · review
Version
Unknown
cisco-skill-scanner: unknown

Findings

lowoperational-securitysupply-chain.lockfile-missing

Repository snapshot does not include a lockfile.

infoskill-securityskill-scan.unavailable

Cisco skill scanner timed out after 60000 ms

mediumprovenanceprovenance.commit.missing

An immutable source commit is required for provenance.

MailAgent — Frequently asked questions

What is MailAgent?
MailAgent is an AI plugin in the HOL registry. Temporary inboxes for Codex — OTP, magic links, signup QA, simulate-first autotests (23 MCP tools).
How do I install MailAgent?
Install MailAgent in your harness: Codex — codex plugin marketplace add Alex0nder/MailAgent; MCP — git clone https://github.com/Alex0nder/MailAgent; Any agent — npx skills add Alex0nder/MailAgent. Full step-by-step guidance is on the HOL plugin page.
How do I install MailAgent in Codex?
To install MailAgent in Codex, start with codex plugin marketplace add Alex0nder/MailAgent. The complete step-by-step install guide for Codex is on the HOL plugin page.
How do I install MailAgent in MCP?
To install MailAgent in MCP, start with git clone https://github.com/Alex0nder/MailAgent. The complete step-by-step install guide for MCP is on the HOL plugin page.
Is MailAgent free?
Pricing for MailAgent is published on its HOL plugin page when the maker schedules a launch.
Who publishes MailAgent?
MailAgent is published by MailAgent and listed on HOL.
Is MailAgent available now?
MailAgent availability is listed on its HOL plugin page.

Install Guidance

Install in Codex

Install through the Codex CLI plugin marketplace.

Codex plugin docs
  1. 1

    Register the marketplace

    Run in any terminal. Codex reads the marketplace entry from .agents/plugins/marketplace.json (or the legacy .claude-plugin path) in the repository. If the repository ships none, add the generated entry from the Advanced section below first.

    shell
  2. 2

    Install from the Plugins browser

    Open Codex, open the Plugins browser, choose the MailAgent marketplace, and install mailagent.

  3. 3

    Verify the marketplace registration

    shell

Plugin Manifest

{
  "name": "mailagent",
  "version": "0.2.8",
  "description": "Temporary inboxes for Codex OTP, magic links, and signup QA flows.",
  "author": {
    "name": "MailAgent",
    "url": "https://webmailagent.com"
  },
  "homepage": "https://webmailagent.com/docs/agents.html",
  "repository": "https://github.com/Alex0nder/MailAgent",
  "license": "MIT",
  "keywords": [
    "email",
    "verification",
    "otp",
    "mcp",
    "testing",
    "agents"
  ],
  "skills": "./",
  "mcpServers": "./.registry/mcp.json",
  "interface": {
    "displayName": "MailAgent",
    "developerName": "MailAgent",
    "shortDescription": "Temporary inboxes for OTP and magic link QA.",
    "longDescription": "Create disposable inboxes, wait for signup messages, extract OTPs or magic links, and clean up test inboxes from Codex.",
    "category": "Productivity",
    "capabilities": [
      "MCP",
      "Skills"
    ],
    "websiteURL": "https://webmailagent.com/",
    "privacyPolicyURL": "https://webmailagent.com/privacy.html",
    "termsOfServiceURL": "https://webmailagent.com/terms.html",
    "defaultPrompt": [
      "Verify a signup flow with a temporary inbox.",
      "Create an inbox and wait for an OTP email.",
      "Extract a magic link from a signup email.",
      "Simulate a test OTP email when staging mail is unavailable."
    ],
    "brandColor": "#2563EB",
    "composerIcon": "./assets/icon.svg"
  },
  "registryIndexVersion": 5
}

Marketplace Source

Repo URL
https://github.com/Alex0nder/MailAgent
Marketplace path
Unknown
Source path
plugins/Alex0nder/MailAgent
Install policy
AVAILABLE

Skills

1 SKILL.md file ship with this plugin. Preview, copy, or download each one, then install them with the Skills CLI.

Share
skills-cli

  • mailagent

    skills/mailagent/SKILL.md

    |

    SKILL.md content is not in this snapshot. Open the raw file to copy it from the source repository.

File Inventory

.codex-plugin/plugin.json

plugin-manifest

1,215 bytes

7878db06a71cff97…

.mcp.json

file

207 bytes

4c24970ccbdd342f…

.registry/mcp.json

mcp-config

146 bytes

59793d227e48ace9…

assets/icon.svg

asset

691 bytes

ba72038b2f4163cb…

README.md

file

1,693 bytes

5ca690ae14c91a85…

skills/mailagent/SKILL.md

skill

13,084 bytes

342745ffa80e36a9…