ArXiv MCP Server

Create a remote sandbox that can execute code/run commands/upload and download files. 创建远程沙盒，可以执行代码/运行命令/上传下载文件

Free no-auth REST API + remote MCP server to run 2,300+ practical calculators (finance, taxes ARCA/SAT, health, sports, cooking, home, science) from hacecuentas.com, localized for Argentina, Mexico, Spain, Chile, Colombia, Brazil and the US. Tools: search_calculators, get_calculator, compute. Docs: https://hacecuentas.com/desarrolladores

Cruncher MCP: The Scientific Calculator MCP Server A powerful scientific calculator for your AI assistant, built as a Model Context Protocol (MCP) server. Cruncher allows compatible AI clients (like Claude Desktop) to perform complex mathematical calculations, handle memory, perform statistical analysis, and access scientific constants with a simple, secure, and standardized interface.

A Serper MCP Server

Channel management and messaging capabilities

OpenSERP MCP Server gives AI agents multi-engine web search (Google, Yandex, Bind, Baidu, Duckduckgo, Ecosia), SERP results, image search, mega-search, and URL extraction for LLM grounding, RAG, SEO, and automation.

SCOUTS-AI MCP server: drop-in web_search tool backed by the no-key SCOUTS-AI API (https://scouts-ai.com). For AI agents, RAG pipelines, answer engines, GEO workflows.

Sifter extracts structured, typed records from your documents (PDFs, scans, contracts, invoices) using a natural-language field spec, then lets an agent query and aggregate them — exact counts, sums, filters, with citations back to the source page. Unlike RAG, it answers collection-wide questions, not just "find the passage.

Official MiniMax Model Context Protocol (MCP) server that enables interaction with powerful Text to Speech, image generation and video generation APIs.

Persistent memory for AI agents. Give your coding assistant organizational context that compounds — search memories with hybrid retrieval, store anything with auto entity extraction, and query a living knowledge graph that gets smarter over time.

Web content fetching and conversion for efficient LLM usage

A safe-by-default PostgreSQL Model Context Protocol server for AI agents.

Hacker News tools for AI agents (MCP server): top stories, story details, comments thread, and full-text search via Algolia. No API key required — public HN API. Built for content research, trend monitoring, and prompt enrichment. By NeCL — neclco.com

Exposes 280+ free dev/security tools from onlinecybertools.com as MCP tools in one server: Base64/URL/JWT encoders, MD5/SHA/HMAC/bcrypt/argon2 hashes, JSON/YAML/XML formatters, regex tester, network diagnostics (ping/traceroute/dig/whois/SSL/SPF/DMARC), and OSINT lookups. No auth, no API key.

A Model Context Protocol Server connector for Perplexity API, to enable web search without leaving the MCP ecosystem.

A Model Context Protocol server that provides time and timezone conversion capabilities. This server enables LLMs to get current time information and perform timezone conversions using IANA timezone names, with automatic system timezone detection.

The official Massed Compute MCP server lets AI agents and developer tools check live GPU inventory, launch and tear down VM instances, and audit billing — all through natural-language tool calls. Connect over stdio (npx/uvx) or a hosted Streamable HTTP endpoint with a Bearer API key.

Generate answers & visualizations from your engineering data to track software development health.

MCP-native AI SRE. Aient exposes your production OpenTelemetry problems, traces, and logs over the Model Context Protocol, plus an AI remediation loop that opens a reviewed GitHub fix PR and verifies in production (reopening on regression). Tools: list_problems, get_problem, query_traces, detect_anomalies, request_problem_remediation. Remote streamable-HTTP at https://aient.ai/mcp; auth via OAuth (scopes aient.mcp.read / aient.mcp.write). Human-in-the-loop by default. Request access at aient.ai.

Deploy and manage Bult.ai cloud hosting projects from MCP clients like Cursor, Claude Desktop, and Claude Code. Create projects and services, deploy GitHub repositories or Docker images, manage routes and volumes, inspect logs, and troubleshoot deployments from your AI assistant.

基于Anduin2017 / HowToCook （程序员在家做饭指南）的mcp server，帮你推荐菜谱、规划膳食，解决“今天吃什么“的世纪难题； Based on Anduin2017/HowToCook (Programmer's Guide to Cooking at Home), MCP Server helps you recommend recipes, plan meals, and solve the century old problem of "what to eat today"

LemmeBuyIt is a remote MCP server that gives AI agents access to real-time product search and pricing across 86 major US retailers — Walmart, Target, Home Depot, Best Buy, Macy's, Nordstrom, Zappos, Sephora, Tractor Supply, and 77 more. Approximately 262M products are indexed and refreshed continuously. Connect once with one-click OAuth (no API keys to copy) and the agent can: - Search any retailer's catalog by keyword, GTIN/UPC barcode, brand, or category - Look up a specific product by SKU and pull current price, stock status, reviews - Compare prices across retailers for the same item - Pull weekly price history (up to 2 years) for trend or deal analysis - Pull Amazon ASIN price + Buy Box history alongside the cross-retailer data The server exposes 7 read-only tools. No write access, no destructive operations. Free tier: search + product lookups. Paid tier: price-history tools.

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The Milvus MCP server enables AI applications to interact with Milvus vector databases using natural language commands. It allows AI models to perform vector searches, manage collections, and retrieve data without writing custom database queries. This integration facilitates seamless access to vector data, enhancing the capabilities of AI tools like Claude Desktop and Cursor.

Access 300+ travel APIs through a single MCP. Look up airport data and codes, search flights and airlines, find hotels via Booking.com, check currency exchange rates, and more. Pay-per-call in USDC via x402 on Base — no API keys, no subscriptions.

Poppify is an MCP server (and Claude Code plugin) for photo-led short-form vertical video. Upload 1–10 photos via the MCP, get a captioned 15/30/60s reel for Instagram, TikTok, YouTube Shorts, or Facebook — with motion, library-matched music, and optional voiceover. 27 MCP tools covering register/wallet, session creation, slide editing, audio matching, asset generation, and confirm/render. Recipe-driven composition (14 narrative frameworks). Library-first audio matching before any AI generation. $0.06 per render, 50 free seeds on signup, no subscription. Compatible with Claude Code, Claude.ai, ChatGPT, Cursor, Cline, and any MCP-compatible AI assistant. Built for SMBs and solo service providers who want consistent vertical reels without hiring a content creator. Not for: text-to-video generation (use Runway), avatar-based video (use HeyGen), 4K horizontal cinema, or sub-4s clips.