community: add Trello MCP server

[OpenTechCl]

Summary

Adds Open Tech's Trello MCP server to the community servers list.

Server Details

• Repository: https://github.com/Open-Tech-Cl-Spa/trello-mcp
• Platform: Trello (Atlassian)
• Transport: stdio (Node.js)
• Tools: 20 tools covering boards, lists, cards, labels, members, checklists, comments, search, and organizations
• Skills: 3 skills for board setup, bulk card creation, and sprint/workflow management
• Auth: API Key + Token via environment variables

What it does

Allows Claude to interact with Trello directly — create boards, manage cards, move tasks between lists, invite members, search across boards, and generate status reports. Built with the official MCP SDK (@modelcontextprotocol/sdk).

Testing

Tested in production managing 6 Trello boards with 120+ cards for a software company's project management workflow.