Best Layer AI Skills & MCP Servers

MCP server for the Agent Passport System — protocol-layer tools only. 150 tools (132 protocol + 10 gateway deprecation stubs). Identity, delegation, reputation, attestation, coordination, commerce, attribution primitive, attribution settlement. Tracks SDK

Hashlock Markets — atomic settlement layer for the agent economy. Sealed-bid RFQ + HTLC atomic settlement, fused into one operation. Live on Ethereum and Sui mainnets; Bitcoin HTLC mainnet-ready via P2WSH scripts (no contract to deploy; signet-validated);

Open-source cross-agent memory layer for coding agents across Cursor, Claude Code, Codex, Windsurf, Gemini CLI, Copilot, Kiro, OpenCode, Antigravity, and Trae via MCP.

Reduce Claude Code token usage by 70-90% with cross-session memory and four-layer optimization: semantic codebase indexing, PostToolUse tool compression, turn summarization, and session consolidation. MCP server powered by Ollama — zero API calls, runs en

Developer logbook MCP server. Notes, TODOs, reminders, code TODOs over an Obsidian vault. 5 consolidated MCP tools + native CLI. Auto-wikilinks, layered config, Orama search. Works with Claude, Cursor, Windsurf, Copilot, Gemini, Codex.

Local MCP server that gives any AI agent safe cross-OS desktop control — the fallback execution layer for when APIs, CLIs, and direct integrations aren't available. Works with any tool-calling model (Claude, GPT, Gemini, Llama) on Windows, macOS, and Linu

Orchestration + observability + coach layer for Claude Code token optimization. Measures tool usage, enforces budgets, advises on complementary tools (serena, RTK), and proactively surfaces savings tips.

Durable, private, time-aware memory engine for long-running AI agents

ASG Agent Pay — the banking layer for autonomous AI agents. Multi-chain payments (x402 + MPP), virtual cards, policy engine, and wallet abstraction across 17 networks. The only SDK unifying Coinbase x402 and Stripe MPP protocols.

Use the MCPSkills pre-install trust layer from Claude Code, Cursor, or any MCP client. Accepts GitHub repos, npm packages, Smithery URLs, and OpenClaw skills. 15 signals (incl. OSV/KEV/EPSS vulnerability intelligence), safety scanning, OpenClaw frontmatte

MCP security trust layer. Scan packages, inspect repo MCP dependencies, generate Policy Gate setup, check exposure, and query abuse data.

Universal Context layer McP server

Core interfaces and reference storage adapters for the ggui MCP server — UiGenerator, SessionStore, BlueprintProvider, AuthAdapter, plus in-memory and SQLite implementations. The pluggable seam layer @ggui-ai/mcp-server is built on.

MCP server with 22 tools for marketplace search, price comparison, license verification, childcare costs, estate sales, storage pricing, GSA auctions, home services, FCC lookup, and AI skill safety — TCGPlayer, Reverb, Grailed, Redfin, Poshmark, Craigslis

Deploy and manage apps on EigenCompute TEE — trusted execution environments with hardware-level isolation, encrypted secrets, and attestation. Works as MCP server for Cursor/Claude Desktop or as Claude Code skill.

MCP server for Loopuman — The Human Layer for AI. Give AI agents instant access to verified human workers in 30+ countries. Post tasks, competitions, and social contests. Workers paid in seconds via blockchain.

HAL (HTTP API Layer) - An MCP server that provides HTTP API capabilities to Large Language Models with OpenAPI/Swagger integration

Self-hosted MCP server for the ggui protocol. An HTTP/MCP binding layer over @ggui-ai/mcp-server-handlers and the reference adapters from @ggui-ai/mcp-server-core — run it via `ggui serve`.

The runtime security layer for AI agent commerce. Drop-in CLI + MCP server — blocks hallucinated purchases and keeps card credentials out of agent context. It only takes 0.1% of hallucination to drain 100% of your wallet.

XLUXX Trust Layer MCP Server — 16 tools for runtime trust scoring of 15,000+ MCP servers, Resonance Engine analysis, and Context Gate integrity checks. Installable in Claude Desktop, Cursor, and any MCP-compatible host.

MCP quality scanner and tool discovery for autonomous agents. Search 27,843+ indexed tools, check AEO (answer-engine-optimization) readiness scores, validate MCP server quality, find alternatives — the standard tool-validation layer before any agent calls

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

Intlayer MCP server. Handle MCP to help IDE to use Intlayer. It build, fill, pull, push, dictionaries

Local-first, LLM-agnostic memory layer for AI assistants. Run via npx @psraghuveer/memento.