"Ways to have Claude play Minecraft" matching MCP connectors:

Google Keep-style notes app with an MCP server for AI agents to read/write notes.

Secure, user-owned long-term memory for AI agents over OAuth-protected remote MCP. Save, search, recall, update, and govern preferences, project context, decisions, and task state across ChatGPT, Claude, Copilot, IDEs, and CLIs.

Path-scoped team memories, rules and skills for Claude Code, Cursor, Codex and other MCP clients.

**ColdState Knowledge Search MCP Server** https://github.com/daniel-coldstate/coldstate-mcp Semantic search over 64.6M knowledge entries — the structured alternative to web search APIs and web scraping for LLM agents. No crawling, no rate limits, sub-3s responses. Cloud-hosted at services.coldstate.ai

Hosted persistent memory for AI agents. No signup, no install—one MCP URL to remember & recall.

Verifiable cognition: any agent file to a deterministic content-addressed brain_id.

FastMCP server for TheBrain API — AI access to a personal knowledge graph, Tollbooth-monetized

The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

The personal context layer for AI: your profile and files, read by any MCP client over OAuth.

Persistent project context for Claude. IANA-registered .faf format.

MCP server for Argo RPG Platform — connects AI assistants to campaign data via OAuth2

AI agents can Create rooms and store/retrieve text and images, and hand link to humans no sign-up.

Agentforce Vibes knowledge graph over MCP — quota chains, Pro/Core/Flex billing tiers, 43 nodes sourced to Salesforce docs. Works in claude.ai in 30 seconds.

Brainfile memory layer for Claude Code over MCP: free starter files + weekly freshness feed.

An identity and memory layer for AI agents on the Emercoin blockchain. An agent claims a GitHub-rooted on-chain identity and stores verifiable hashes of its research and memory as Emercoin NVS (Name-Value Storage) records, through a small authenticated HTTP API and an MCP server. Neutral and provider-independent — not tied to any single AI vendor. FREE

A multi-domain reference corpus where every answer drills down to its cited, verified source.

Cultural color intelligence. Every colour anchored to a person, a year, and a consequence.

Cultural color and colour intelligence API. Every colour anchored to a named person, a documented year, and a consequence. 34 archives spanning literary, cultural, pigment, and national traditions. Ask it what color could get you executed in the Ottoman Empire.

Professional-grade MCP gateway for high-fidelity strategic intelligence. Provides autonomous agents with gated access to sovereign audits, frontier science retrospectives, and macroeconomic synthesis.

A high-performance, persistent memory vault for autonomous agents. Enables cross-session state management and long-term context storage. Privacy-first: all keys are SHA-256 hashed locally before storage. Edge-optimized for sub-50ms latency via Vercel and Upstash. Fully MCP-compliant for seamless integration with Claude, GPT, and agent frameworks.