MCP Server Registry
Browse 10,023 servers scanned across 184 detection rules
StructureClerk
AI agent policy decisions: ALLOW, DENY, APPROVE, ESCALATE. 192 jurisdictions, signed evidence.
Structured Data Validator
Validates structured data against schemas for AI workflow quality assurance.
structurizr
Structurizr is a "models as code" tool designed for the C4 model.
STS2MCP
Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod.
studio
Open-source control plane for your AI agents. Connect tools, hire agents, track every token and dollar
studio5000-mcp-server
MCP server for Studio 5000 — parse L5X project exports and give AI agents structured access to PLC tags, UDTs, routines, AOIs, and cross-references
studio.kynth/core
Documents to schema-valid JSON plus 38 more finished-job AI tools, on one credit wallet.
StudioMeyer Academy
AI Operator School: lessons, quizzes, reviews, certificates, tutor, recipes. 23 tools.
StudioMeyer CRM
AI-native CRM. 37 tools: pipeline, leads, health scores, GDPR rights. EU-hosted, free tier.
StudioMeyer Memory
Bi-temporal AI memory. 56 tools, knowledge graph, semantic search. EU-hosted, free tier.
StudioMeyer Personal Suite
Local-first productivity: email, calendar, messaging, search, image gen. 49 tools. BYOK.
StudioPro
AI product-photography studio over MCP: generate, edit, cut out, and search images by project.
@studiosignal/mcp-server
Studio Signal MCP Server — AI-powered M&E intelligence via Model Context Protocol
StudyQuest-AI
Stunt Double
Deploy AI user personas to validate user journeys at scale. Find UX friction before real users do.
StyleMCP
Brand rules for AI outputs. Validate and rewrite text to match your brand voice.
Styx
Self-hosted AI gateway that routes requests across OpenAI, Anthropic, Google, and Mistral through one universal endpoint.
sub-agents-mcp
Define task-specific AI sub-agents in Markdown for any MCP-compatible tool.
Subdomain API
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Subscribr
The all-in-one YouTube content engine: research, ideas, thumbnails, scripts, and video.
SubspaceDomain
macOS-native bridge server that enables seamless communication between AI clients, providing Unix socket transport, persistent registration, and robust connection handling for coordinated tool execution across multiple models.
Substack (adelaidasofia)
Substack MCP for publishing Notes and posts, pulling analytics, and managing drafts.
substack-mcp
FastMCP 3.1+ Model Context Protocol (MCP) server & SOTA React webapp dashboard for Substack newsletter feeds, draft staging, local LLM assistance, and analytics.
SubstancePainterMCP
Substance Painter MCP Server