Browse MCP servers

MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.

2 matching

filtered by com.couryo clear all

Showing 1–2 of 2 servers

Couryo
streamable-http

com.couryo/mcp

Transactional email API: send, read delivery timelines, explain bounces, manage domains (OAuth).

official
Couryo free email tools
streamable-http

com.couryo/tools

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

official 6 tools

Search this catalogue from your agent

The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.

claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp