MCP Server Registry

MCP server exposing Signet cryptographic signing, verification, and content hash tools over stdio.

MCP server for SignNow API helper tools (stdio only).

A Model Context Protocol (MCP) server that provides SignNow API integration capabilities.

SigNoz MCP server: access metrics, traces, logs, alerts, and dashboards via AI assistants

Bilingual (EN/ES) AI-writing detection that shows the evidence, plus originality checking.

Manage SignUpGenius sign-ups, slot reports, and groups via the API from AI agents.

Send documents for e-signature, track signing status, and download signed PDFs. No API key required.

Wraps sigrok-cli for signal analysis: capture data, decode protocols, and query instruments.

Sigstore Rekor — the public transparency log for software signatures.

13 paid x402 tools, USDC/Base. Free check: GET /preview<path>=200 sample. Copy-paste pay: /llms.txt

The most comprehensive MCP server for Meta Business Suite — 200+ tools across Facebook Pages, Instagram, Threads, Ads Manager, Commerce, Conversions API, and more

Search travel eSIM plans for 150+ countries and buy via Stripe link; eSIM QR delivered by email.

iOS MCP server: 55 tools, xcresult parsing, UI automation, 15ms screenshots.

Free tools: 2026 API shutdown scanner, small-business website auditor, photo resale estimator.

Dated, sourced semiconductor data: chip costs, HBM/wafer pricing, fab capacity, policy, forecasts.

Human-in-the-loop API for AI agents. CAPTCHA, OTP, KYC, and approvals by real humans.

MCP server for Silpo online supermarket: products, cart, delivery, recipes.

Spend control for AI agents - cost attribution, budget caps, and signed runs as MCP tools.

simap MCP — Swiss public procurement tenders and awards (keyless).

MCP server for MSFS SimConnect - full read/write access to SimVars, L-vars and events

Always-warm iOS Simulator and Android emulator frames: agents read the screen in ~20ms

Compares the provided data of a person in Argentina (DNI, name, birth, address) and returns the simi

Compares the provided data of a person in Brazil (CPF, name, birth, address) and returns the similar

Compares the provided data of a person in Mexico (CURP, name, birth, address) and returns the simila