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ARIS is a Markdown-only skill workflow pack for autonomous ML research agents, with idea discovery, experiment planning, auto-review loops, paper writing, rebuttal, resubmission, slides, posters, Research Wiki, and cross-model reviewer workflows for Claude Code, Codex, OpenClaw, Cursor, and other agent hosts.

Official Hugging Face Agent Skills collection for Claude Code, Codex, Cursor, Gemini CLI, and other skills-compatible agents, covering Hub CLI workflows, datasets, model search, Spaces, Gradio, fine-tuning, evaluations, local models, papers, Trackio, ZeroGPU, transformers.js, TRL, and the Hugging Face MCP server.

MIT-licensed K-Dense Scientific Agent Skills pack for turning Claude Code, Codex, Cursor, OpenClaw, Gemini CLI, Antigravity, Pi, and other Agent Skills-compatible hosts into scientific research assistants across bioinformatics, chemistry, medicine, drug discovery, data analysis, and scientific writing workflows.

Community reusable agent prompt for classifying MCP tools into discovery taxonomies using official MCP client best practices documentation: capability grouping, naming conventions, duplicate detection, and marketplace-friendly metadata labels.

Free hosted Demand Discovery AI MCP server that answers startup validation questions, explains demand signals, and kicks off market research reports with no API key required.

Local code indexing MCP server that lets AI assistants search repositories, build symbol indexes, inspect file summaries, monitor changes, and navigate multi-language codebases.

MCP support in Azure Data API Builder for exposing configured database entities as MCP tools, including entity discovery and DML operations over Azure databases and supported on-premises data stores.

MCP server from HttpRunner that exposes UIXT device and browser automation tools for Android, iOS, Harmony, and Web testing through the `hrp mcp-server` command.

MCP server for KiCad projects that lets Claude discover boards, inspect project structure, analyze PCB and schematic files, extract netlists, review BOMs, run design-rule workflows, and generate board thumbnails.

Official Neo4j MCP server for giving Claude structured access to Neo4j graph schema introspection, read-only Cypher, optional write Cypher, and Graph Data Science procedure discovery.

MCP server for Odoo ERP systems, with tools for reading records, discovering models and fields, aggregating data, diagnosing access, scanning addons, planning migrations, and running gated safe-write workflows.

Ruby gem MCP server for Rails projects that lets Claude inspect files, routes, models, schema, controller-view relationships, environment config, and framework guides.

Connect Claude to ClickHouse for read-only SQL exploration, schema discovery, and safe analytics workflows.

Agentic News MCP delivers news discovery and agentic news workflows over streamable HTTP.

DataForB2B remote MCP server exposing people and company search, enrichment, and agentic discovery over 800M+ profiles and 75M+ companies via streamable HTTP.

A practical walkthrough of using Agent Skills in the Claude Agent SDK: how skills are discovered from the filesystem via settingSources, the skills option to enable or filter them, tool access, and troubleshooting discovery.

Hosted streamable-HTTP MCP server registered as ai.com.mcp/skills-search that exposes Agent Skills Search API tools for discovering skills from the skills.sh registry using the open Agent Skills format.

MCP server that lets Claude and other MCP clients search and page through the official MCP Registry from a local stdio server.

A source-backed guide for choosing between HeyClaude API endpoints, the HeyClaude MCP server, and the Raycast extension surface when building registry discovery, install-guidance, and PR-first submission workflows.

Expert validation skill for reviewing /llms.txt, search discovery artifacts, canonical signals, structured data, and LLM-ready documentation links.

Accelerate search discovery and indexing updates with IndexNow-aware publishing workflows and crawl-efficient update signaling.

Source-backed KLinePic stdio MCP server for turning broker and exchange fills into annotated post-trade candlestick review charts, with capability discovery and no-charge request preflight before quota-consuming rendering.

Safety-reviewed Agent Skill for Hermes Tweet, the Hermes Agent plugin for X/Twitter endpoint discovery, credentialed reads, and approval-gated actions through Xquik.

Create, update, publish, and manage content in Contentful from Claude — entries, assets, content types, locales, spaces, environments, and AI actions — with the official Contentful Management API MCP server supporting semantic search and vector-based content discovery.

Transcribe audio, synthesize speech, and run audio intelligence directly from Claude with the official Deepgram MCP server — dynamic tool discovery fetches new capabilities from Deepgram's API at runtime without requiring package upgrades.

Apache-2.0 `gws` command-line tool for Google Workspace APIs with structured JSON output, dynamic Discovery API commands, npm and release installers, Gemini CLI extension metadata, and 100+ bundled Agent Skills.

Official PHP SDK for Model Context Protocol clients and servers, built with the PHP Foundation and Symfony project, published as `mcp/sdk` on Packagist, with framework-agnostic APIs, attribute discovery, manual registration, stdio and HTTP transports, sessions, tools, resources, prompts, sampling, and logs.

macOS automation MCP server and CLI from OpenClaw that gives AI agents screen capture, window/app discovery, UI element inspection, clicks, typing, scrolling, hotkeys, menu actions, dialog control, and optional AI visual analysis through local or hosted model providers.

DataMerge native MCP server for B2B company enrichment, corporate hierarchies, contact search, and lookalike discovery across 375M+ companies via remote HTTP or local @datamerge/mcp stdio.

MCP server for controlling Draw.io and diagrams.net diagrams from Claude, including document discovery, page management, layers, shapes, edges, Mermaid import, diagram import/export, and a built-in editor mode.