"Scheduler that invokes the agent based on a predefined schedule" matching MCP servers:

Enables searching and retrieving articles, sections, and tags from The Guardian via the Guardian Open Platform API.

Enables AI agents to discover official public data sources, inspect their metadata and endpoint parameters, and execute live queries through a unified response envelope with a 500 ms budget.

Exposes live earth-science data (e.g., earthquakes from USGS) as tools for MCP-compatible AI agents, enabling them to fetch and reason about real-time geophysical events.

MCP server that reads Korean school class and teacher timetables from Comci's public schedules, detects schedule changes, and exposes structured data via CLI, local REST, and MCP stdio.

A daily census of the AI agent tooling ecosystem on GitHub (MCP servers, agent frameworks, skills): look up whether a repository is still maintained and under what licence, search by words with status and licence filters, get the day's totals and two acted-on lists. Standard library only, public metadata only.

Search, inspect and compare infrastructure tools for AI agents from a checked directory.

Provides AI assistants with real-time and historical gold buying condition scores, including current readings, past data, and zone performance since 1971.

Enables persona-configurable financial research and answers questions about 24 US-listed companies across three sectors, grounded in a SQLite database via MCP tools.

Enables read-only querying of Pacific Crest Trail legs, mile-indexed towns, passes and lakes, and vegan resupply stops with last-checked dates.

MCP server that aggregates and deduplicates job listings from multiple public sources, ranks them against a user's resume, and exposes tools for searching, viewing details, explaining fit, and tracking applications.

Enables AI agents to retrieve free, source-linked decision methods and optional decision packs through MCP tools such as catalog, method, sample_pack, and pack_offer. It operates without model calls and disables payments by default.

Enables AI agents to search The Met's open-access collection by keyword with filters for images, on-view status, medium, and year range, and to fetch rich object details such as artist bio, dimensions, department, and gallery number. Also lists the museum's curatorial departments so searches can be scoped, all without an API key.

Provides free Chinese A-share stock data including real-time quotes, historical K-lines, market scanning, and multi-factor stock screening via BaoStock and Sina Finance APIs.

MCP server for legal research that enables searching US case law via CourtListener, retrieving full opinion text, and looking up legal definitions from Cornell's Wex. Students can connect via a remote connector in Claude.ai to cite real, free legal sources.

An MCP server that provides country information lookup and an interactive dashboard, exposing a get_country_info tool and HTTP endpoints for querying demographic, geographic, and economic data.

MCP server for currency conversion with real-time exchange rates via the Frankfurter API. Enables agents to retrieve latest currency data and perform conversions.

One MCP server that gives AI agents nine live data tools — company hiring signals, SEC filings, academic papers, GitHub repos, Hacker News, Stack Overflow, clinical trials, Federal Register, and global news — all as flat, citation-ready JSON with pay-per-result billing.

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

Enables real-time domain registration lookups via RDAP, including availability, expiration, and registrar details, with no API key required. Supports natural language queries like 'is example.com available?' or 'when does example.com expire?'.

Enables currency conversion and exchange rate lookups using real ECB reference rates, free and without an API key. Supports natural language queries like 'convert 100 USD to EUR' or 'what's the exchange rate between GBP and JPY?'.