datasets
Training and evaluation data, with the modality, task and licence stated up front. Listed live from the Hugging Face Hub.
discover-toolsmcp-registry
Vinkius Connector Registry — Open Data Initiative
Welcome to the Vinkius Open Data Initiative. We are opening access to the Vinkius connector catalog. This repository provides automatically updated documentation for 9,582 unique connectors for AI agents.
Research & Training Applications
This highly structured corpus is designed specifically for AI researchers, data scientists, and language model developers. It provides a robust foundation for advancing artificial… See the full description on the dataset page: https://huggingface.co/datasets/Vinkius/mcp-registry.MCP-UniverseMCP Universe Style Spreadsheet Tasks
Collection of real-world financial challenges created by finance experts from Goldman Sachs and Evercore.
mcp-registry-probe-2026-09
MCP registry probe, September 2026
Row-level results of Cracked's nightly probe of every public, remote Streamable-HTTP server listed in the official Model Context Protocol registry with an open endpoint that exposed at least one tool at the last sync. This is the data behind the report The state of public MCP servers, September 2026 on cracked.ai.
Method
On 2026-09-02 (probe run stamped 2026-09-02T14:30:12Z), the probe connected to each server and ran, in order:… See the full description on the dataset page: https://huggingface.co/datasets/crackedvibe/mcp-registry-probe-2026-09.mcp-server-resource-benchmark
MCP Server Resource Benchmark: RAM, Startup, Tool Counts
Measured resident memory, startup time and tool counts for 11 popular MCP servers, plus a concurrent five-server stack.
Results
178-422MB resident per server (median 188MB)
0.5-1.9 seconds warm startup
961.6MB for a concurrent five-server stack, cross-checked by two independent measurement paths (psutil and PowerShell WorkingSet64) that agreed exactly
Runtime floors for context: 52MB bare Node, 15MB bare… See the full description on the dataset page: https://huggingface.co/datasets/iBlessi/mcp-server-resource-benchmark.mcp-tool-calling-benchmark
MCP Tool-Calling Benchmark
A benchmark dataset for evaluating AI assistants' MCP (Model Context Protocol) tool-calling accuracy across 12 platforms.
Dataset Description
Contains 6,451 labeled interaction logs from systematic QA testing of Grok's MCP connectors. Each row captures a test prompt, the expected tool invocation, Grok's actual response, and the error classification.
Platforms Covered
Platform
Prompts
Tools Tested
Primary Error Pattern… See the full description on the dataset page: https://huggingface.co/datasets/brijeshvadi/mcp-tool-calling-benchmark.mcp-server-grades
MCP Queen: Live Grades of the MCP Ecosystem
Deterministic operational grades for every remote server in the official
Model Context Protocol registry, from continuous live probes by
MCP Queen, the trust layer for the MCP ecosystem.
9,326 remote servers graded from 43,320+ live probes (July 2026
snapshot). Each row is a server's latest probe result.
Columns
column
meaning
server_name
reverse-DNS registry name (e.g. com.healthai/clarity)
title
display… See the full description on the dataset page: https://huggingface.co/datasets/healthai-hq/mcp-server-grades.MCP-In-PracticeA dataset showing 2,888 repos of mcp servers, published after november 2023 classified acording to this rubric.
Descriptions were intentionally excluded from this dataset but can be found through the linked PulseMCP URL
Categories and Descriptions
Creativity and Recreational Use
MCP servers designed for personal entertainment, artistic expression, or hobby pursuits including digital art creation, music production and composition, creative writing, gaming platforms, streaming… See the full description on the dataset page: https://huggingface.co/datasets/sruly/MCP-In-Practice.mcp-server-catalog
MCP Server Catalog
A comprehensive catalog of 38 Model Context Protocol (MCP) servers for AI agents, covering data access, agent infrastructure, business-to-agent interfaces, compliance, and more.
Overview
This dataset provides a structured catalog of MCP servers that give AI agents access to real-world data and capabilities. Each server follows the MCP standard and can be used with Claude, GPT, and other LLMs that support tool use.
Categories
Category… See the full description on the dataset page: https://huggingface.co/datasets/aiagentkarl/mcp-server-catalog.MCP-In-PracticeA dataset showing 2,888 repos of mcp servers, published after november 2023 classified acording to this rubric.
Descriptions were intentionally excluded from this dataset but can be found through the linked PulseMCP URL
Categories and Descriptions
Creativity and Recreational Use MCP servers designed for personal entertainment, artistic expression, or hobby pursuits including digital art creation, music production and composition, creative writing, gaming platforms, streaming, content creation… See the full description on the dataset page: https://huggingface.co/datasets/Disclosures-SSRC/MCP-In-Practice.