Best Nat AI Skills & MCP Servers

Behavioral governance layer for LLMs - monitors for hallucination, inconsistency, tone drift, and unsafe reasoning while managing stateful AI sessions

AINative ZeroDB MCP Server - 77 operations for vector search, quantum compression, NoSQL, dedicated PostgreSQL management, files, events, RLHF, and persistent memory for AI agents with enterprise security. All tools annotated with readOnly/destructive/ide

Agent Output Guard MCP Server - Validate and verify data from other agents before acting on it. Zero LLM costs, pure computation. Solves coordination failures in multi-agent systems.

MCP server for agent-native secrets management — store, rotate, and inject secrets without agents seeing raw values

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

TRACE32 CMM language server via MCP — parse, diagnostics, completions, hover, symbols, and CLI validation for PRACTICE scripts. Native binary, no Node.js runtime needed.

peek native messaging host + stdio MCP server. Owns ~/.peek/sessions.db (better-sqlite3) and bridges the browser extension, CLI, and AI tools to a single local source of truth.

Apple-native execution layer for AI coding agents: compile, validate, repair, and prove Swift surfaces.

Versioned memory for AI agents — structured keypaths, conflict detection, and 80% fewer tokens than alternatives.

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

Get US weather forecasts, active alerts, and current observations via the National Weather Service API. STDIO or Streamable HTTP.

RCA infrastructure for AI-built code. Code knowledge graph + opinionated RCA engine, exposed via MCP (Cursor / Claude Code / Cody / Cline / Continue / Windsurf / Zed) plus CLI and library. RCA is the wedge; the same engine covers code review, refactor bla

Spatial canvas workbench for coding agents — infinite 2D canvas with agent-native CLI, MCP integration, nodes, edges, file watching, and snapshots

MCP server for LaunchRoad — gives any MCP-compatible AI coding assistant (Claude Code, Cursor, VS Code, ChatGPT Desktop) live read/write access to your team's shared brain.

MCP server for RESTForge - enables AI agents to interact with RESTForge via natural language

MCP server + live dashboard for AI code governance — OWASP LLM Top 10 (10/10), real-time MCP App UI, 25+ security patterns, Bayesian learning Brain, hallucinated import detection, multi-agent governance. Works with Claude, Cursor, VS Code, ChatGPT, Goose,

This package will help us to get equity/index details and historical data from National Stock Exchange of India.

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk (Socrata SODA API) via MCP. STDIO or Streamable HTTP.

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

Planu — MCP Server for Spec Driven Development with native Rust acceleration for hot paths. Cross-platform (Linux/macOS/Windows, x64/arm64, glibc/musl).

The Application Engine for the AI Era. A multi-threaded, AI-native runtime with a persistent Scene Graph, enabling AI agents to introspect and mutate the living application structure in real-time.

MCP server aggregating real-time environmental and natural-hazard data from 12 public sources into a unified risk assessment.

Persistent memory for Claude Code and Pi with native Skills integration, automatic capture, failure learning, and project scoping

Agent-native TypeScript framework for building MCP servers. Declarative definitions with auth, multi-backend storage, OpenTelemetry, and first-class support for Bun/Node/Cloudflare Workers.