Best Runtime AI Skills & MCP Servers

The runtime behind FocusMCP — Registry + EventBus + Router composing MCP bricks on demand. Browser-compatible, zero-dep, TypeScript strict.

Model Context Protocol server exposing the b402 Solana SDK as agent-callable tools (Claude Code, Cursor, any MCP runtime)

Conformance test runner for FocusMCP bricks — validates manifests, tool schemas, and runtime behavior.

Core runtime library for Caplets progressive disclosure gateways.

SkillFM local — single npm package for the SkillFM platform on user nodes. Subcommand router exposes (1) Beacon MCP stdio server (cost-optimizer for any agent; merged in from @skillfm/beacon-mcp on 2026-05-01), (2) skill runtime (BYOK Playwright / brain r

Production-grade WordPress operations toolkit for AI coding agents — default-safe wp-cli + REST + scoped fs, opt-in companion for execute-php + runtime introspection. MIT, rolepod ecosystem.

Provider-neutral agent runtime for coding workflows. Verified DAG execution with evidence gates, worktree isolation, and local graph memory.

VibeCheck MCP — the code intelligence layer for AI-built software, wired into your agent. Truth-grounded, runtime-aware, multi-agent. 16+ verification engines, runtime probes, and live truthpack context for Cursor, Claude, Windsurf, and any MCP-compatible

Skilder Runtime - NodeJS processes for edge execution connected to backend orchestrator via NATS

A lightweight MCP (Model Context Protocol) client library for JavaScript and cross-runtime environments, supporting MCP Apps in host applications and multiple storage backends (Memory, File, Redis, Supabase, Neon).

A lightweight, zero-footprint TypeScript MCP server that lets AI assistants interact with the Godot 4.x game engine: not just editing files, but playing the game.

Read and publish to Substack via MCP — single Rust binary, no Node.js runtime.

IAPeer lifecycle primitive for ephemeral peers. MCP tool spawn(personality, runtime?, task, work_dir?) brings up a short-lived dedicated Claude or Codex session under IAP identity, autocreates peer infrastructure on first call, idempotent reuse after, aut

Core library for parsing, loading, and managing .photon.ts files - runtime-agnostic foundation for building custom Photon runtimes

BotVault CLI — install the BotVault MCP server (Claude Code, OpenClaw, Cursor) so your AI agents can fetch credentials at runtime instead of you pasting them into chat.

Runtime verification for AI coding agents. MCP server that lets Claude Code verify code changes work end-to-end via Playwright + OpenTelemetry + SigNoz.

Security scanner for AI-generated apps (Cursor, Lovable, Windsurf, v0). Catches hardcoded secrets, prompt injection, hallucinated imports, Server Actions / Edge runtime mistakes, and the vibe-coded vulnerabilities traditional linters miss.

QiloBack MCP server — orchestrate the QiloBack platform from any MCP-compatible AI client (Claude Desktop, Claude Code, Cursor, Windsurf, ChatGPT Desktop). Spawns the Python qiloback-mcp package; uvx is the recommended runtime.

MCP server for Gildara — operating contracts for AI agents. Structured runtime instructions compiled into optimal system prompts.

FFmpeg MCP server