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Mailchimp MCP Server - Access Mailchimp data from Claude via MCP.

A structured problem-solving MCP server that breaks down complex tasks into sequential steps, supports iterative refinement and branching, and helps maintain context and explore alternative reasoning paths.

MCP-K8s-Server is a Kotlin-based server that provides AI assistants with direct access to Kubernetes cluster management capabilities. Developed by Hari Ohm Prasath, it exposes a comprehensive set of tools for monitoring and managing Kubernetes resources including pods, deployments, services, storage, networking, and Helm releases. The server connects to Kubernetes clusters using the local kubeconfig file and leverages the official Kubernetes Java client to interact with the API server. Particularly valuable for DevOps engineers and platform administrators who need to diagnose cluster issues, analyze resource utilization, and manage deployments through natural language interactions without switching to kubectl or other management tools.

SBIR provides access to Small Business Innovation Research program data via the SBIR.gov public API. Query federal R&D contracts, award amounts, and program information for small businesses. Free with no authentication required.

A Model Context Protocol (MCP) server that provides secure shell command execution

Enables text-to-speech audio generation using ElevenLabs voices directly from Claude conversations, supporting single and batch conversion, voice listing, and voice ID lookup.

This MCP server provides a simple bridge to native OS functionalities, offering three core tools for system interaction: opening URLs in the default browser with automatic scheme handling and validation, copying text to the clipboard, and retrieving comprehensive current date/time information including ISO formats, timestamps, day/month names, leap year status, and quarter calculations. Built by leynier using Python with FastMCP and pyperclip, it focuses on basic but essential system operations that AI assistants commonly need, making it valuable for workflows requiring URL launching, clipboard management, or detailed temporal data without external API dependencies.

Enables querying Maryland government open data (state, health, transportation, budget, environment) via the Socrata SoQL API, with tools to search datasets, run queries, and retrieve metadata.

Random food images by category (pizza, burger, dosa, etc.) via Foodish. Keyless.

Jira provides MCP-compatible access to project management through the Atlassian Jira REST API. It enables creating, querying, and updating issues, managing sprints, and retrieving project and board information. Built in TypeScript by freema with 11 stars, it supports both Jira Cloud and Server deployments via stdio.

MCP server that reads a Roll20 D&D 5e character sheet and campaign data via Firebase REST. No browser, no DOM scraping.

Enables AI assistants to search books, manage reading lists, and access book collections and bookshelf data from SPINES via the Model Context Protocol.

Enables searching and querying Norfolk Open Data datasets through Socrata SoQL, including metadata retrieval.

Enables searching and analyzing Sentry issues, events, and traces via natural language, providing tools for error investigation and distributed tracing.

Business Wire MCP — press releases from Business Wire's all-news RSS feed.

Open Ephemeris is a high-precision astrology API with an MCP server exposing 116+ endpoints across natal charts, transits, synastry, Human Design, BaZi, solar returns, and much more.

Exposes the Raindrop.io API as Claude tools for managing bookmarks, collections, tags, and bulk operations, with proper collection move support.

Built by CampusX, this expense tracker provides personal finance management through a SQLite database backend with 20 predefined expense categories from food and transport to investments and taxes, each with relevant subcategories. It offers tools for adding expenses with date/amount/category details, listing expenses within date ranges, and generating category-based summaries for spending analysis. The implementation is valuable for individuals tracking personal spending patterns, analyzing monthly budgets, or understanding expense distribution across different life areas through natural language queries.

Sweep an AI agent's native gas balance to exactly zero on 25+ EVM chains via EIP-7702 sponsored execution, a relayer pays the gas and is reimbursed from the sweep, so nothing is left stranded.

MCP Server for accessing W3C/WHATWG/IETF web specifications. Provides AI assistants with access to official web standards data including specifications, WebIDL definitions, CSS properties, and HTML elements.