MCP Server Directory

API Acre com.apiacre/api-acre

73 x402-paid Base and Solana APIs with free discovery, samples, workflows, and Pixel Acre.

mcp com.midax402/mcp

Pay-per-query x402 business intelligence on Base, settled in USDC via the native 402 payment flow.

Advisory AOS agent health scan before deployment (manifest, services, immune loop, evidence).

Verifi cloud.verifi/human-verification

Get a real human to verify, decide, or improve an AI agent's work. Pay per review via x402 on Base.

mcp io.github.quantustik/mcp

Live S&P 500 quantum-model signals, forecasts and trade plans. Educational, not financial advice.

Full technical interview prep: company briefing, concepts, code deep-dive, mock interviews.

iGaming Tools — independent slot, provider & regulator reference data tools.i-gaming/igaming-data

Structured iGaming reference: slot specs & RTP variants, providers, regulators, news and jobs.

An AI-powered, safe database access gateway built on the Model Context Protocol (MCP).

MCP bridge between Chromium browsers (Arc, Vivaldi, Brave) and Claude Code: browser automation

MCP server for Yandex.Webmaster search queries (read-only).

Run402 com.run402/mcp

x402 pay-per-call infra for agents: $0.03 image generation, Postgres, auth, storage, functions.

Coolify 4.1.x MCP server — deploy, diagnose, and manage apps, services, and databases

Quaderno MCP by usefulapi io.usefulapi/quaderno

MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.

chorilo com.chorilo/chorilo

Choir management for AI assistants: events, RSVP, announcements and sheet music of your choir.

Lifts WxO Slack limits: every-message wake-up, multi-channel MCP. https://markusvankempen.github.io/

Rootr io.github.inspirio-co/rootr-cli

Connect your team's living knowledge base — docs, data, issues, CRM — to Claude and ChatGPT.

Windows MCP server replicating Anthropic's computer-use tool surface, for any MCP client.

MCP server for Festo/CODESYS PLCs: IEC 61131-3 ST + validated PLCopen XML generation.

lity club.lity/lity

AI legal copilot for foreigners in Spain: immigration and housing rental, cited to Spanish law.

MCP server for Siren diagramming — teach AI models to create beautiful diagrams with Siren syntax

Slide decks locally: templates, checks, HTML to editable PowerPoint, .pptx rescue. No AI inside.

FrazzleCRM com.frazzlecrm/frazzlecrm

CRM + visual automation builder AI agents can drive via MCP: contacts, tags, maps, email/SMS flows.

Eval Engine API io.github.invertedhoologan/eval-engine-mcp

Pay-per-call AI evaluation MCP server. Score LLM outputs against benchmark rubrics via Workers AI.

finance com.zoninga/finance

Personal finance for AI agents: accounts, budgets, goals, 9-strategy debt payoff, reports. OAuth 2.1