Home Skills MCPs Install

PieterPost

1 server

PieterPostPieterPostPieterPost lets AI agents prepare, price, review, pay for, and send real letters and postcards through a safe OAuth-powered MCP server.

← All servers

Browse

All skills
All MCP servers
Install
Agent access

Authors

Skills authors
MCP authors

Machine

Registry
MCP registry
llms.txt
llms-mcps.txt

© 2026 Agent Skills

Search skills and MCP servers

Search across 31,816 skills and MCPs