"FIRST" matching MCP servers:

Enables AI models to answer time-related questions by providing tools for current time and elapsed time.

Enables AI assistants to answer time-related questions by consulting a live clock rather than relying on context, and provides a scaffold for adding further tools.

Enables developers to enforce versioned data contracts for MCP tool schemas, with additive-only evolution checked in CI, SHA-256 pinning against rug pulls, and signed handles instead of protocol sessions.

Provides a single MCP tool that returns the current time for a requested timezone, connectable to Claude Code and Claude desktop over stdio or Streamable HTTP.

This server integrates with Mozilla Developer Network (MDN) documentation to suggest CSS properties, check browser support, and provide implementation guidance with user consent mechanisms.

A tutorial MCP server that provides basic utility tools including time queries, arithmetic calculations, random number generation, string manipulation, and server information retrieval.

Provides an add tool for summing two numbers and a greeting://{name} resource that returns a personalized greeting over stdio.

A simple MCP server that exposes a 'greet' tool which returns a friendly greeting for a given name.

A local MCP server that connects Claude Desktop to execute custom local code, such as generating custom greetings.

A real, runnable MCP server exposing three read-only tools (inventory, pricing, hours) with a CLI agent that lets Claude discover and call them.

A simple tutorial MCP server that provides a basic addition tool for adding two numbers together, demonstrating fundamental MCP server implementation.

Enables deploying a remote MCP server on Cloudflare Workers without authentication, allowing users to define custom tools and connect clients like Claude Desktop or Cloudflare AI Playground.

Enables adding two numbers through a single MCP tool and returns the sum as text.

MCP server exposing First CH Tools' free web-tool logic for WCAG contrast, JP character counting, WebP conversion, JSON-LD, and llms.txt generation to AI agents.

A simple Model Context Protocol server that provides an addition tool for adding two numbers.

Enables to perform mathematical calculations, retrieve weather information, and manage files through a standardized MCP interface, showcasing best practices for building MCP servers.

A read-only MCP server generated by FirstCall that looks up public GitHub user profiles by username. It demonstrates FirstCall-generated MCP artifacts with inputSchema, outputSchema, structuredContent, and tool annotations.

An MCP server for querying Grafana Loki directly with a discovery-first workflow — labels, values, series, and LogQL queries without requiring Grafana.

Local-first memory for coding agents. Discovers the memory, instructions, and rules Claude Code, Codex, and Cursor already wrote on your machine, combines them into one canonical Markdown tree, and serves grounded, cited recall through tools like ask_memory and canonical_memory.

Official MCP server for UploadKit, the file-uploads platform for developers. Gives Claude Code, Cursor, Windsurf, and Zed first-class knowledge of UploadKit's 40+ open-source React components, Next.js route handler scaffolding, wiring, BYOS (S3/R2/GCS/B2) configuration, and full-text search across 88+ docs pages. Runs locally via npx — no API key, no telemetry, no config.