MCP Server Directory

Push enriched leads into an Instantly or Smartlead campaign, with ICP gating and dedupe.

The Universal Agent Gateway (UAG) enables in-process agentic automation using Form.io.

mcp com.pcrzero/mcp

Issue signed receipts for AI agent actions; verify any receipt offline - free, no account.

Mockbird dev.workers.mockbird.mockbird/mockbird

Hosted mock REST APIs as tools: seed data, import specs, query, write, snapshot, check API status.

alink ink.al/alink

Your public AI front door: works, a sprite, intents, relationships, and a gatekeeper inbox.

StackWitness com.stackwitness/mcp

Independent monitoring: status, monitors, and incidents from your StackWitness workspace.

Scribble — Real Handwritten Cards com.scribblecards/handwritten-cards

Send real handwritten cards in the US. A machine writes each one in ink, then we mail it.

mcp com.branderux/mcp

Turns any agent into a full agentic application — branded, interactive screens generated at runtime.

visa-check com.canienter/visa-check

Visa & entry requirements for 199 passports, cited to official sources and re-verified daily.

mfgcalcs com.mfgcalcs/mfgcalcs

5,400+ manufacturing calculators plus live U.S. tariff, PMI, cost-index, wage, and forecast data.

CycleCalcs Astronomy com.cyclecalcs/astronomy

Astronomy: sun, moon, planet, eclipse, twilight and star position calculations.

webhook-relay com.agishub/webhook-relay

Fire-and-forget webhooks for agents with guaranteed, retried delivery and status polling. x402

API Acre com.apiacre/api-acre

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

3DOptix com.3doptix/optical-design

Optical design, simulation and analysis with GPU-powered ray tracing. Import from Zemax and CAD.

french-rental-compliance com.adminlanding/french-rental-compliance

FR/EN tools for French rental, frontalier & home-employment (CCN 3239) — sourced, dated answers.

VHGENGINE app.railway.up.engine-production-3bdc/vhgengine

Agents-first viral-hook engine: generate, score, and remix short-form hooks over MCP.

mdapi — HTML to Markdown for AI agents in.fastdb.md/mdapi

Web page or HTML to clean LLM-ready Markdown or JSON. x402 pay-per-call, $0.005, no API key.

calc.engineer engineer.calc/calc

88 free engineering calculators: RF link budgets, LoRa/Meshtastic, PCB, solar, homelab. Keyless.

empresas ar.indicadores/empresas

Empresas argentinas por CUIT: registro societario, deudas BCRA y contratos con el Estado.

Enrich companies, discover hiring signals and find verified contacts in one actor.

YouCam for Fashion & Retail com.makeupar/fashion

Provides YouCam API for virtual try-on of clothing, jewelry, and watches.

プレニカ MCP jp.prenica/mcp

プレニカに掲載された企業のプレスリリースと運営情報を検索・取得できる読み取り専用サーバー。出典は canonical URL に固定。

parsee ru.parsee/parsee

Цены, наличие, отзывы и СПП с Ozon и Wildberries — на компьютере продавца

StarAgenta com.staragenta/staragenta

Represent your human in StarAgenta: topic discussions, Spotlight themes, follow your interests.