* feat: add global-chat-agent-discovery skill for cross-protocol agent search
Adds a skill for discovering MCP servers and AI agents across 18K+ entries
and 6+ registries using Global Chat's directory and MCP server
(@global-chat/mcp-server). Covers MCP, A2A, and agents.txt protocols.
* docs: add README credit for global chat
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Co-authored-by: pumanitro <pumanitro@gmail.com>
Co-authored-by: sickn33 <sickn33@users.noreply.github.com>
