MCP serverUnknownMCP registry
Letter IRL
Write, preview and mail real letters and postcards to US addresses from your AI app.
Description provenance: Original source
2 observations
Installation
https://api.letterirl.com/mcpDomains & Uses
- Domains
- Agents, skills and MCP
Check at the source
Compatibility and prerequisites must be checked in the official documentation.
https://letterirl.com/connectClassifications
- Nature
- Tool
Measurement history
Comparable readings are grouped by signal and unit.
No comparable history is available.