MCP Server Directory

Rack Rates dev.rackrates/ledger

Published list prices of compute (VPS, GPU hours, LLM tokens, media), archived daily. Read-only.

PaperAgent — Send Physical Mail dev.paperagent/letters

Mail one-off USPS letters from ChatGPT or Claude after you approve the preview and price. US only.

YouTube MCP by InsightfulPipe com.insightfulpipe/youtube

Hosted YouTube MCP server for Claude, ChatGPT and Cursor, with each action switched per account.

Daggy com.daggydata/mcp

Query your data in plain English or SQL, build datasets, and fit Bayesian models.

AI video workflows: model discovery, credit quotes, generation, private media and usage.

Financial Portfolios AI ai.financial-portfolios/financial-portfolios-ai

Systematic model portfolios: allocations, holdings history, model-alignment arithmetic, research.

AisleNode Local Commerce (Meta Muse & Claude MCP) io.github.marvo-bd/muse-commerce-mcp

Connect Meta Muse and Claude agents to live local retail store shelves and direct checkout.

BankrollSZN com.bankrollszn/bankrollszn

DFS projections, ownership, optimizers and model picks for NFL, MLB, NBA, NHL, PGA, MMA and more.

Inspect OpenAPI 3.0 specs and synthesize schema-compliant Model Context Protocol tool declarations w

A true MCP server where the agent is the model and the API key. No API keys.

DrMaker3D: custom 3D printing, figures, cookie cutters and gifts com.drmaker3d/shop

3D printing studio in Connecticut: instant prices and checkout links for model files, and quotes.

Bidirectional in-memory sensitive vault and surrogate token masker protecting credentials in LLM pro

Revit MCP com.aecomcps/revit-mcp

Read and edit the Revit 2024–2027 model on your PC. Needs the free Revit MCP add-in.

UK Ireland Used Car Import Agent io.github.LKennedyShare/irish-used-car-data

Free Irish car counts and asking prices by brand/model/year/county. Paid listings and import checks.

Toolbox com.allthepossibles/toolbox

Small tools for agent builders: AI-writing tells, tools/list token cost, CLAUDE.md lint, and more.

MCP security checks — WARDEN and HISTOR dev.modelmarket/mcp-security

Scan MCP tool definitions for poisoning, look up server history, count tool-list tokens. Free.

Genius Decision io.github.pedrosalvadeo/genius-decision

Create and evaluate versioned decision models with reproducible results and declared assumptions.

Positional Borda Count voting and weighted multi-agent consensus engine resolving conflicting model

Adaptive sliding window query debouncing and micro-batch coalescing engine optimizing LLM throughput

SpareHive GPU Advisor io.github.RichardXu001/sparehive-advisor

Read-only GPU advisor: model VRAM needs, fit checks and rental prices, with evidence grades.

LLMExpert: cited Q&A over YouTube videos io.llmexpert/transcription

Cited Q&A over 2026 conference talks and YouTube videos. $0.02/query, free daily tier, key or x402.

The Agent Forge io.theagentforge/forge

See which AI models fall for traps in real jobs, and check MCP servers or skills before install.

Land the Lab com.landthelab/interview-prep

Prep for OpenAI, Anthropic and top AI lab interviews: real loops, asked questions, worked answers.

Rempa ai.rempa/rempa

AI visibility (GEO): how ChatGPT, Gemini and Google AI talk about your brand, with an action plan.