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Converts the 'El Buen Agente' guide into 17 actionable tools to evaluate, contract, and build robust LLM agents.

Composite MCP server for Things 3 on macOS that bundles multiple read calls into single requests, enables batch writes, and provides a self-healing read path to handle TCC protection issues.

Enables searching arXiv papers in Korean, Chinese, Japanese, or English and saving findings to a local Markdown vault through natural language commands.

A minimal MCP server implementation with no dependencies.

Enables AI agents to analyze images, extract text, compare images, and analyze video through any OpenAI-compatible vision model.

Enables LLM clients to handle leave applications by providing tools for initialization, organization selection, leave day calculation, attachment checks, uploads, and submission, with built-in business validation and environment switching.

MCP server that enables AI agents to interact with Feishu (Lark) for calendar events, attendees, and user recent work via structured tools with graceful degradation and recovery hints.

查询实时热点，快速掌握全网新闻动态。提取新闻关键词与要点，秒懂核心信息。定制关注主题，及时获取最新进展。

Enables Claude to interact with Linear tasks and issues via MCP tools for retrieving tickets, listing assigned issues, adding comments, and creating issues.

The world's first named AI prompt quality score. Score any LLM prompt before it hits any model — returns grade (A-F), score out of 40, percentile, and dimension breakdown across 8 quality dimensions. Built on PEEM, RAGAS, G-Eval, and MT-Bench frameworks. **Tools:** - score_prompt — Free. No API key needed. - optimize_prompt — $0.025 USDC. Returns optimized prompt + full breakdown. - compare_models — $0.50 USDC. Claude vs GPT-4o head-to-head. Cheaper than one bad inference call.

A Cloudflare Workers-based remote MCP gateway that securely bridges Feishu official MCP to MCP clients like ChatGPT, using OAuth-authorized user tokens for accessing and managing personal Feishu documents.

Instagram publishing MCP server using official Graph API, supporting single image and carousel posts, publishing limits, and token refresh. Works with any MCP client over stdio or HTTP.

Enables AI agents to control iOS Simulators for UI/UX debugging, app management, and accessibility auditing via simctl, IDB, and ClaudeDebugKit.

An autonomous task decomposition and execution agent that plans, executes, verifies, and commits code changes for engineering goals.

Local Signal MCP server: read via Signal Desktop, send via signal-cli

Enterprise-grade MCP server for Microsoft SQL Server, enabling semantic schema discovery, table profiling, safe data operations with preview/confirm, and multi-environment support.

A small mcp service to record things in sqlite. A simple GPT memory layer. ;)

Local-first personal knowledge management (PKM) MCP server and learning memory for every AI tutor—goal trees, a reusable knowledge graph, and evidence-gated mastery.

An MCP server that generates pixel-art PNGs from text prompts, using a free image backend, and saves them directly to your project directory.

Zero-dependency MCP server for querying Chinese public holidays and makeup workdays (2025-2026), offering tools to check specific dates or list yearly schedules offline.