Agent Inbox MCP server
A real email inbox for AI agents: human-approved sends, untrusted-by-default inbound.
0 stars175 downloads/wk
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If you have run it, two minutes of your experience saves the next person an afternoon.
Agent Inbox tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.10 · 2026-10-16 · same rubric, same numbers if you re-run it
- Code scan1 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 15 days ago15/15
- Maintainer identitynamespace and repository owner differ; GitHub account older than a year; website matches verified namespace7/10
How Agent Inbox compares
Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 91/100
- higher than 88% of 916 Email servers
- Downloads a week
- 175
- more than 69% of 235 Email servers with a package
Install Agent Inbox in Claude Code, Cursor or VS Code
Runs npx -y @clize/inbox on your machine. Read the scan report first; the gateway never runs local packages.
claude mcp add inbox -- npx -y @clize/inbox
What the publisher says
From the Agent Inbox repository's README, as published. We do not edit it. Read it on GitHub
Clize
Clize is a CLI and MCP server that gives AI coding agents real-world actions: domains, email, deploys, payments, and media generation. Your agent already has a brain — Clize gives it hands: a domain, a working inbox, a live website. One CLI (plus an MCP server) so coding agents in Claude Code / Codex can register domains, run real email, build & ship sites and short clips, generate media, and collect payments from their customers — across as many projects as you run.
→ clize.ai
Install
npm i -g @clize/clize
clize install # wire clize into your coding agent (Claude Code / Codex)clize install is the step that makes your agent actually reach for clize — a binary on your PATH doesn't tell the agent it exists. By default it drops clize's skill (when to use it + the safety gates) into each agent's skills dir; the skill is lightweight — only its short description sits in context until something triggers it. It auto-detects Claude Code (~/.claude) and Codex (~/.codex); scope with --claude / --codex, preview with --dry-run. Add --mcp to also register the clize-mcp server — opt-in, because an MCP server's tool list stays in context every session.
Update later with one command — pulls the latest release and refreshes the skill together:
clize update # or `clize update --check` to only check for a newer versionQuickstart (hosted)
Log in and go — your agent never touches Cloudflare:
clize login # browser authorize → creates your account, saves a clize key
clize check # ✓ connected to the hosted backend
clize claim acme # free handle: acme.clize.app (+ support@ inbox, already receiving)
clize init --handle acme # bind this directory — deploy / email send infer domain & from
clize deploy ./site # ship a static site → https://acme.clize.app
clize status # who's waiting, this month's spend
clize email inbox acme.clize.app # read what customers sentHosted — just log in
clize is a thin client: the CLI / MCP carry no infrastructure credentials and talk only to the clize control plane — domains, email, deploy, and media all run hosted. (Credentials live in your dashboard; bring-your-own Cloudflare / Vercel is configured there, not on your machine.)
A few specifics worth knowing:
- clize deploy and clize email send need --domain / --from — unless the directory is bound with clize init --handle , which infers both from ./clize.json. Deploy is directory-based (multi-file static sites).
- gen image --ref/--mask (reference image / mask) and gen budget pre-approval are coming soon — hosted confirms each generation with --confirm.
- Free *.clize.app handle: clize claim . Your own domain: clize domain buy / clize domain import. Run clize check to verify your login.
What it does
Shortened. The full README is on GitHub.
Nothing above is checked by us. What we check is on the safety report.
Agent Inbox: common questions
- Is Agent Inbox MCP server safe?
- Yes, by our scan: it is graded A (91/100). Read the Agent Inbox safety report
- How do I install Agent Inbox?
- It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
- Does Agent Inbox need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Agent Inbox maintained?
- The last commit was 34 days ago (2026-10-01). The latest release is v0.35.5.
- What can I use instead of Agent Inbox?
- Servers from other publishers that do the same job: Agenticmail MCP server, ReplyLayer MCP server and Mailkite MCP server. Compare all Agent Inbox alternatives.
- How does Agent Inbox compare with other Email MCP servers?
- safety score 91/100 (higher than 88% of 916 Email servers); downloads a week 175 (more than 69% of 235 Email servers with a package). Full comparison.
Alternatives to Agent Inbox
Same job from other publishers: the closest match first, then the best rated.
- AgenticmailReal email and SMS for AI agents — send mail, receive verification codes, drive a real inbox.not reviewedEstablishedB
ReplyLayerSafe email for AI agents: a mailbox with inbound scanning, outbound checks and human review.not reviewedGrowingA- MailkiteSend email, manage domains, DNS, webhooks, templates, and inbound routing on MailKitenot reviewedGrowingA
- MailbuttonsGoverned email for AI agents: a sandbox inbox to read and send from, human approval to go external.not reviewedGrowingA
webhooks.ccCapture, inspect, send and assert on webhooks and inbound email from your coding agent.not reviewedGrowingB