Compare
Cooper Email vs Smithery
Smithery is a registry for hosting MCP servers, not an email API.
Which to pick
Pick Cooper Email if you want…
- API inboxes for AI agents
- Open-source code (cooper-email/cooper-email on GitHub, MIT license)
Pick Smithery if you want…
- Managed MCP server registry
- MCP server hosting
- The lower starting price: $10/month against $12/month
Side by side
- What it is
- Cooper Email:Cooper Email provides an API that gives AI agents a real email inbox (and optional phone number) with webhooks and full-text search.
- Smithery:Smithery is a registry and hosting platform for MCP servers that lets AI agents connect to tools with built-in auth, credentials and session management.
- Best for
- Cooper Email:API inboxes for AI agents
- Smithery:Managed MCP server registry
- Who it’s for
- Cooper Email:Developers building autonomous AI agents that need email or SMS communication.
- Smithery:Developers building AI agents that need easy access to MCP tools and services
- Pricing
- Cooper Email:Freemium
- Smithery:Freemium
- Plans
- Cooper Email:Free $0 · Starter $12/mo per month · Pro $99/mo per month
- Smithery:Hobby Free · Pay as you Go $10/mo per month
- Open source
- Cooper Email:Yes, 0 GitHub stars
- Smithery:—
- Works with
- Cooper Email:Claude, ChatGPT, Cursor, VS Code, Codex CLI
- Smithery:—
Cooper Email features
- One-click inbox creation. POST /onboard returns an API key and a unique @cooperemail.com address in a single request.
- Signed inbound webhooks. Incoming email arrives as a signed webhook for immediate processing by the agent.
- Full-text searchable mail. All messages are indexed with SQLite FTS5, searchable via GET /search.
- Custom domains. Starter and Pro plans support custom domains with automatic DNS when using Cloudflare.
- Phone numbers & SMS. Buy US numbers ($3/mo each) to receive texts stored as inbox messages with webhook alerts.
- Hosted MCP integration. Connect agents via the hosted MCP server for Claude, ChatGPT, Cursor, and other tools.
Smithery features
- MCP Server Registry. Find and list MCP servers for agents to discover and use.
- Hosted MCP Servers. Host your own MCP server with built-in management.
- Managed OAuth. Provides OAuth handling without requiring developers to manage keys.
- Persistent Connections. Keeps agent sessions alive for continuous interactions.
- RPC Quotas. Offers tiered RPC limits (50K free, 100K paid) for API calls.
- Namespace Support. Supports multiple namespaces for organizing tools.
Cooper Email vs Smithery FAQ
Is Cooper Email or Smithery free?+
Cooper Email has a free plan; paid plans start at $12/month (Starter). Smithery has a free plan (Hobby); paid plans start at $10/month (Pay as you Go).
Which is cheaper, Cooper Email or Smithery?+
Smithery is cheaper to start with: Smithery's Pay as you Go plan ($10/month) against Cooper Email's Starter plan ($12/month).
Is Cooper Email or Smithery open source?+
Cooper Email is open source (cooper-email/cooper-email on GitHub, MIT license). DevHunt has no public source repository on record for Smithery.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.