"Resources or services available for free" matching MCP servers:

Enables exploring Microsoft Fabric / Power BI workspaces and semantic models, and executing ad-hoc DAX queries.

An MCP-powered AI agent that audits your Gmail for recurring subscriptions, detects silent price increases, and flags unused services.

A minimal MCP server template that offers calculator tools, resources, and prompts for learning NitroStack fundamentals, built with TypeScript and Zod.

Converts AI Skills (following Claude Skills format) into MCP server resources, enabling LLM applications to discover, access, and utilize self-contained skill directories through the Model Context Protocol. Provides tools to list available skills, retrieve skill details and content, and read supporting files with security protections.

MCP server for the Trading 212 public API, enabling account, portfolio, order, pie, and history access with read tools always available and trading tools opt-in.

MCP wrapper for JPEXS Free Flash Decompiler (FFDec) that exposes SWF decompilation and analysis tools to AI assistants like Claude.

COS-MCP is an MCP server that provides AI-powered organizational continuity planning. It maintains a knowledge graph of employees, systems, projects, and relationships, and exposes tools, resources, and prompts for knowledge graph visualization, risk analysis, employee transition planning, and organizational knowledge base queries.

Browser-backed MCP wrapper for mcp-atlassian with Playwright SSO auth. Enables AI tools to access Atlassian Server/Data Center instances behind corporate SSO (Okta, SAML, ADFS) where API tokens are not available

A minimal NitroStack starter template with a calculator module including tools, resources, and prompts for learning MCP server fundamentals.

A calculator-focused MCP server template with tools, resources, and prompts built on NitroStack.

A starter template for building calculator-focused MCP servers using NitroStack, including tools, resources, and prompts.

A calculator-focused MCP server built with NitroStack, providing tools, resources, and prompts for arithmetic operations.

An MCP server for interacting with Prefect resources, enabling AI assistants to monitor, manage, and debug workflows.

Calculator-focused MCP server with tools, resources, and prompts for arithmetic operations and widget interactions.

A minimal MCP server template with a calculator module, designed for learning NitroStack fundamentals. It includes tools, resources, prompts, and TypeScript validation.

Provides calculator tools, resources, and prompts for basic arithmetic operations via NitroStack.

Provides calculator tools, resources, and prompts for learning NitroStack fundamentals.

A minimal MCP server template for learning NitroStack, featuring a calculator module with tools, resources, and prompts for arithmetic operations.

A calculator-focused MCP server for learning NitroStack fundamentals, providing tools, resources, and prompts for basic arithmetic operations.

A starter template for building a calculator-focused MCP server with tools, resources, and prompts using TypeScript and Zod validation.