nomoat / Mailgent / Alternatives
Alternatives to Mailgent
Mailgent: An API that sets up an AI agent with its own email inbox, secret vault, calendar, signed identity and USDC wallet. Here are 24 other products that do a similar job. Of these, 18 have a free plan.
- KeyID
Hosted service that gives each AI agent its own inbox, phone number, storage and 2FA on domains kept for your project.
Since 2026
Subscription · Developer tools · Developers
- 0sql
Model your data warehouse in YAML, then send business-term queries and get back one deterministic SQL statement.
Since 2026
Developer tools · Developers
- AgentDM
Gives each AI agent an alias so agents and people can message each other over MCP and A2A, with a Slack bridge.
Since 2026
Free plan · Developer tools · Developers
- AgentLine
Gives AI agents a US or Canadian phone number for calls and SMS, usable over MCP, REST or an agent skill.
Since 2026
Free plan · Developer tools · Developers
- AgentsProof
Traces AI agent runs, scores them against your own rules and test cases, and gives a shareable report link.
Since 2026
Free plan · Developer tools · Developers
- AgentWatch
A proxy that watches AI agent calls, spots runaway loops and blocks requests once a spending limit is hit.
Since 2026
Free plan · Uptime and monitoring · Developers
- AI Commander
Lets AI assistants like Claude, Codex or ChatGPT run shell commands and background jobs on machines you own, with no inbound ports opened.
Since 2026
Free plan · Developer tools · Developers
- Antifailure
Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.
Since 2026
Developer tools · Developers
- BlitzGraph
A hosted graph backend that AI coding agents can query with typed JSON instead of SQL, reachable over MCP.
Since 2026
Free plan · Developer tools · Developers
- Compute
Run GPU jobs from a CLI or an AI agent on several cloud providers, paying provider cost plus a small fee.
Since 2026
Pay as you go · Developer tools · Developers
- DashClaw
Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.
Since 2026
Free trial · Security and passwords · Developers
- display.dev
Publish HTML or Markdown made by coding agents to a private link where your team can comment and see each version.
Since 2026
Free plan · Documents and e-signature · Agencies
- Failproof AI
Traces AI coding agent runs, spots where they fail and enforces rules that stop repeat failures as they happen.
Since 2026
Free plan · Uptime and monitoring · Developers
- Isle
Hosted environments that open apps like KiCad and FreeCAD for computer-use agents, with checkpoints and recovery.
Since 2026
Free plan · Developer tools · Developers
- localscreenshot
Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.
Free plan · Developer tools · Agencies
- Lumbox
Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.
Since 2026
Free plan · Developer tools · Developers
- machine0
Persistent cloud virtual machines with up to 60 vCPUs and optional GPUs, which coding agents drive via CLI or MCP, charged per minute.
Since 2026
Pay as you go · Developer tools · Developers
- Okteto
Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.
Since 2025
Free plan · Developer tools · Developers
- Omnara
An open-source API and dashboard for developers to deploy and run stateful AI agents on any model, either hosted or on their own servers.
Since 2025
Free plan · Developer tools · Developers
- onemcp
A hosted portal that joins your MCP servers into one endpoint with OAuth, so AI agents load far fewer tool definitions.
Since 2026
Free plan · Developer tools · Developers
- Pidgeon
Gives AI agents their own email addresses and inboxes through an API, hosted in the EU, for developers building agents.
Since 2026
Free plan · Transactional email · Developers
- Preloop
Open-source gateway that tracks spend, sets budgets and requires approvals for AI coding agents and their tool calls.
Since 2026
Free · Security and passwords · Developers
- PullFlow
Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.
Free plan · Developer tools · Developers
- Revdoku
Gives AI agents email inboxes of their own to get mail, reply and keep files, with spam filtering, via API, MCP or CLI.
Free plan · Developer tools · Developers