Alternatives

MCaptcha alternatives for AI agents.

Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.

Current skill

MCaptcha

A no-nonsense CAPTCHA system with seamless UX | Backend component

87
Quality
87
Trust
2.5K
Stars
#1

Fhevm

Similarity 133Trust 94Excellent 100

FHEVM, a full-stack framework for integrating Fully Homomorphic Encryption (FHE) with blockchain applications

25K starsJun 16, 2026 pushlegal-complianceRustPrivacy
$ npx skills add zama-ai/fhevm
#2

Redlib

Similarity 129Trust 91Excellent 100

Private front-end for Reddit

3.4K starsApr 24, 2026 pushlegal-complianceRustPrivacy
$ npx skills add redlib-org/redlib
#3

Namada

Similarity 129Trust 94Excellent 99

Rust implementation of Namada, a Proof-of-Stake L1 for interchain asset-agnostic privacy

2.5K starsApr 15, 2026 pushlegal-complianceRustPrivacy
$ npx skills add namada-net/namada
#4

Freenet Core

Similarity 129Trust 89Excellent 100

Declare your digital independence

2.7K starsJun 16, 2026 pushlegal-complianceRustPrivacy
$ npx skills add freenet/freenet-core
#5

Encrypted Dns Server

Similarity 128Trust 96Excellent 100

An easy to install, high-performance, zero maintenance proxy to run an encrypted DNS server.

1.3K starsJun 5, 2026 pushlegal-complianceRustPrivacy
$ npx skills add DNSCrypt/encrypted-dns-server
#6

Websurfx

Similarity 128Trust 94Excellent 100

:rocket: An open source alternative to searx which provides a modern-looking :sparkles:, lightning-fast :zap:, privacy respecting :disguised_face:, secure :lock: meta search engine

1.1K starsJun 3, 2026 pushlegal-complianceRustPrivacy
$ npx skills add neon-mmd/websurfx
#7

My Translator

Similarity 122Trust 93Excellent 100

Real-time speech translation — macOS & Windows, free TTS, no server, your API keys only

1.2K starsJun 2, 2026 pushlegal-compliancePythonPrivacy
$ npx skills add phuc-nt/my-translator
#8

OxiCloud

Similarity 122Trust 94Excellent 100

☁️ Ultra-fast, secure & lightweight self-hosted cloud storage — your files, photos, calendars & contacts, all in one place. Built in Rust.

3.2K starsJun 15, 2026 pushlegal-complianceRustPrivacy
$ npx skills add AtalayaLabs/OxiCloud
#9

Donutbrowser

Similarity 121Trust 91Excellent 100

Simple Yet Powerful Anti-Detect Browser 🍩

3.0K starsJun 13, 2026 pushlegal-complianceRustPrivacy
$ npx skills add zhom/donutbrowser
#10

Core

Similarity 120Trust 94Excellent 100

A privacy-preserving Raspberry Pi home security camera that uses advanced end-to-end encryption.

1.6K starsJun 14, 2026 pushlegal-complianceRustPrivacy
$ npx skills add secluso/core
#11

Hosts

Similarity 120Trust 98Excellent 100

🔒 Consolidating and extending hosts files from several well-curated sources. Optionally pick extensions for porn, social media, and other categories.

31K starsJun 11, 2026 pushlegal-compliancePythonPrivacy
$ npx skills add StevenBlack/hosts
#12

Owshen

Similarity 120Trust 80Promising 68

The Deep Sea

2.0K starsOct 6, 2024 pushlegal-complianceRustPrivacy
$ npx skills add OwshenNetwork/owshen
#13

Win11Debloat

Similarity 120Trust 95Excellent 100

A simple, lightweight PowerShell script that allows you to remove pre-installed apps, disable telemetry, as well as perform various other changes to declutter and customize your Windows experience. Win11Debloat works for both Windows 10 and Windows 11.

48K starsJun 14, 2026 pushlegal-compliancePowerShellPrivacy
$ npx skills add Raphire/Win11Debloat
#14

AdGuardHome

Similarity 120Trust 95Excellent 100

Network-wide ads & trackers blocking DNS server

35K starsJun 16, 2026 pushlegal-complianceGoPrivacy
$ npx skills add AdguardTeam/AdGuardHome
#15

Web Check

Similarity 120Trust 95Excellent 100

🕵️‍♂️ All-in-one OSINT tool for analysing any website

34K starsJun 15, 2026 pushlegal-complianceTypeScriptPrivacy
$ npx skills add lissy93/web-check
#16

Caddy

Similarity 120Trust 94Excellent 100

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

73K starsJun 15, 2026 pushlegal-complianceGoPrivacy
$ npx skills add caddyserver/caddy

How to choose

When should you switch?

Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep MCaptcha if it already passes your workflow test and repository review.

Next step

Compare top candidates side by side

Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.