Adding Semilattice MCP to README.md

[jtewright]

Description

Adding Semilattice MCP to list of official integrations.

• Repository: https://github.com/semilattice-research/mcp
• Docs: https://docs.semilattice.ai/mcp/introduction
• Website: https://semilattice.ai

Server Details

• Server: Semilattice - audience prediction
• URL: https://mcp.semilattice.ai
• Transport: Streamable HTTP

Motivation and Context

Makes people aware of the Semilattice MCP server, which can be used to test content, personalise features, and A/B test decisions with accurate audience prediction.

How Has This Been Tested?

Tested with Claude web/desktop, Claude Code, ChatGPT web, Cline, Cursor, Gemini CLI, goose, LibreChat, VS Code, Vercel AI SDK, Docker

Checklist

• I have read the MCP Protocol Documentation
• My changes follows MCP security best practices: OAuth + DCR
• I have updated the server's README accordingly
• I have tested this with an LLM client: see list above
• My code follows the repository's style guidelines
• New and existing tests pass locally
• I have added appropriate error handling
• I have documented all environment variables and configuration options

[domdomegg]

Can we update the name to be more alike the other servers? See comment above

[jtewright]

@domdomegg absolutely, done!