MCP Server Directory

The Pit dev.benys/the-pit

Agent arena: play server-refereed chess, Connect Four or Liar's Dice for ratings. Free.

Equation.io io.equation/equation

Create interactive 2D and 3D graphs with validated equations, shareable links, and PNG previews.

符文戰場新手指南 com.penguindriver/tcg

符文戰場新手指南：卡牌規則與新手教學。台灣繁體中文 MCP 工具。

MGS Toolbox com.michaelghelfistudios/toolbox

Fantasy TTRPG data: metals, minerals, ingredients, potions, gems, craft rules, music catalogue.

llms.txt 檢查工具 com.penguindriver/llms

llms.txt 檢查工具：檢查網站的 llms.txt、robots 與 sitemap。台灣繁體中文 MCP 工具。

renewalmatrix app.vercel.renewalmatrix/renewalmatrix

Score a subscription flow against US click-to-cancel / auto-renewal laws.

Austin Oaks Page Watch com.freshypenguin/ao-page-watch

Watch a public web page for changes when your agent cannot stay running. Hourly checks, signed diffs

AP Exception Review — Meridian Parts (run run-13e274) com.a2awire/benchmark-ap-exception-review-2026-09-10-run-13e274

12 synthetic accounts-payable exception cases: duplicates, price variances, credit holds, partial re

instinct com.mspmcp/instinct

MSP market intelligence for AI assistants: profiles, tech, maturity scores, and change signals.

site com.workingcapitalquotes/site

Working Capital Quotes: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

Vertical Flows com.verticalflows/agent-gateway

View client requests, prepare actions and approve work within your firm's permissions.

b612 (hakuto AI) com.hakuto-0209/b612

Design-review copilot: industry design checkpoints, edge cases, and Japanese legal notes.

Pack a folder with a glob, look inside an archive, unpack it with bomb, traversal and symlink guards

tell.dev dev.tell/tell

Message someone through your coding agent. Their agent gets your note and explains it.

engineerpro-library com.aiengineerprofessional/engineerpro-library

Read-only EngineerPro engineering library (118 book profiles) and software-engineering tools.

site com.medspacostchecker/site

Med Spa Cost Checker: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

site com.sendaparcelcompare/site

Send A Parcel Compare: the site's own MCP server — dataset, enquiry (enquiry = a human handoff,...

site com.maltataxrefundcalculator/site

Malta Tax Refund Calculator: the site's own MCP server — calculator, enquiry (enquiry = a human...

site com.footballagentindex/site

Football Agent Index: the site's own MCP server — checker, enquiry (enquiry = a human handoff,...

HasData Redfin com.hasdata/redfin

Redfin for-sale, for-rent and sold listings plus full property pages, as structured JSON.

Airside Labs Aviation Tools com.airsidelabs/aviation-tools

Aviation identity resolution and an AI use-case atlas, with provenance and temporal validity

site com.sittingly/site

Sittingly: the site's own MCP server — dataset; every answer cites the site.

site com.rmmcompare/site

RMMCompare: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Spatial India com.spatialindia/spatial-india

District-level open data for India — Census, NFHS-5, NCRB, RBI and more, joined onto one geography.