iClaude
Category

Best Primitives AI Skills & MCP Servers

8 curated Primitives skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Slack

MCP Registry

Slack MCP without OAuth. 21 tools (16 read/write Slack + 2 workflow profile primitives + 3 hosted-brain upgrade stubs). Free OSS or hosted (free tier no card; $9/mo Pro = unlimited; morning DM rolling out Q2 2026).

MCP Registry · ★ 5.0free

Pixelcheck

MCP Registry

MCP-first browser primitives for AI agents — real eyes and hands on the web. Local-first. Vendor-agnostic. Yours to own.

MCP Registry · ★ 5.0free

Calm Server

MCP Registry

MCP server + reusable tool primitives for SAP Cloud ALM, backed by @mcp-abap-adt/calm-client.

MCP Registry · ★ 5.0free

Electromcp

MCP Registry

Drive any Electron app from your AI. MCP server with 93 tools, 4 recipe packages (Slack/Discord/Notion/Linear), security primitives, and a CLI mirror. The testing surface area Tauri structurally cannot match.

MCP Registry · ★ 5.0free

Mcp

MCP Registry

MCP server for Angular Primitives - headless UI library

MCP Registry · ★ 5.0free

Shared

MCP Registry

Shared utilities for cz-agents MCP servers — IČO/DIČ validation, HTTP helpers, rate limiter, billing primitives

MCP Registry · ★ 5.0free

Agent Harness Sdk

MCP Registry

Primitives for building agent harnesses: tools, guards, checks, hooks, observability.

MCP Registry · ★ 5.0free

toreva

Smithery

Non-custodial execution primitives for Solana. Best-execution routing across Jupiter Perps, Pacifica, Drift, and Flash Trade. 1 bps to open. Everything else is free. Your agent decides. Toreva executes. Every action receipted. Execution only — not financial advice.

Smitheryfree

About Primitives skills on iClaude

iClaude is the universal install layer for AI skills. Every Primitives skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.