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openagent.email vs Mirio

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

openagent.email compared with Mirio
Detailopenagent.email logo openagent.emailMirio logo Mirio
What it doesSelf-hosted email and task handoffs for AI agents with no vendor control plane Inbound forms for coding agents
StageNot given MVP
FoundedNot given Not given
Based inNot given US
Pricing modelOpen source Free
PricingSelf-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal. Free during beta: up to 1,000 responses per month
Key features
  • MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients
  • Unlimited agent mailboxes on your own domain
  • Email-backed agent-to-agent task threads with stamped states
  • Customizable React form components
  • Spam filtering and response screening
  • Company enrichment for each response
  • Multi-step forms that save progress
  • Send to Slack, email, webhooks or Postgres
  • Response versioning
  • Read responses from terminal
  • Fit scoring for leads
What makes it different
  • Apache-2.0 open source with no vendor control plane or per-inbox software fees
  • Mail stays on your server under your control unless you explicitly opt into external services
  • Built-in OTP extraction tested against real services from US and Chinese providers
  • Built for coding agents to set up and modify like code files
  • Open source npm package under MIT license
  • Forms live in your site's code, not separate tools
  • Automatic company enrichment on every response
  • No workflow switching needed
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 −1 (down) since last check1 no change since last check
Trust Flow (Majestic)34
Citation Flow (Majestic)264
Referring domains (Majestic)281

5 details filled in for both companies.

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