Discover the toolingbehind modern intelligence
The operating system for AI infrastructure discovery. Search a live map of MCP servers, AI agents, LLM tools, automation systems, and developer infrastructure.
postals-mcp
The agent skill that turns any AI into a direct mail machine. One MCP tool call mails a physical handwritten postcard — real pen-and-ink on real paper, USPS delivery in 3-5 business days, $4.99 per card. Works with Claude Desktop, Cursor, Claude Code, OpenClaw, n8n, LangChain, and any MCP-compatible client.
1stars
0forks
JavaScript
agent-skillai-agentclaude-desktopcursordirect-mailhandwrittenmcpmcp-servermodel-context-protocolopenclawpostcardsyourstruly
Quality signals
ActiveNo testsNo CIThin docsNo licenseNew
InstallMCP + SKILLInstall as a Claude Code skill
Universal installANY TOOL
$ npx skillcity@latest coopergwrenn/postals-mcpAuto-detects the skill or MCP server in this repo and installs it for Claude Code, Codex, Cursor, Cline, OpenCode, Gemini CLI, Anti-Gravity, OpenClaw and Hermes.
Requires Node.js 18+ (ships with npx).
Or install manually
# Install into ~/.claude/skills/ mkdir -p ~/.claude/skills/postals-mcp curl -fsSL https://raw.githubusercontent.com/coopergwrenn/postals-mcp/main/SKILL.md -o ~/.claude/skills/postals-mcp/SKILL.md
Loading README…
Ask a simulated agent to run this skill. It loads the real SKILL.md and reasons over your task with NVIDIA.
postals-mcp — sandboxAI sandbox
Pick a quick prompt below or type your own — watch the agent execute this skill step by step.
guest@skillcity:~$Try a prompt