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Sending Messages and Voice with Twilio

twilio-communications

sickn33/antigravity-awesome-skills

A set of patterns for robust communication using the Twilio platform. Covers essential functions including basic SMS sending (with E.164 validation and status callbacks), Two-Factor Authentication (2FA) verification via SMS/Call, and building sophisticated Interactive Voice Response (IVR) systems using TwiML. Ideal for transactional notifications, user authentication, and automated customer service flows.

Webhook Sender Creator

webhook-sender-creator

jeremylongshore/claude-code-plugins-plus-skills

Automates guidance for designing and deploying webhook senders, covering integration patterns, SDK generation, and production-ready configurations.

Transactional Email Builder

email-template-builder

alirezarezvani/claude-skills

Design and generate production-ready transactional email templates, previews, i18n, dark mode, spam checks, and analytics hooks for providers like Resend, Postmark, SendGrid, and AWS SES.

WhatsApp Cloud Bridge

whatsapp-cloud-api

sickn33/antigravity-awesome-skills

Implements professional integrations with Meta’s WhatsApp Business Cloud API, covering message sends, template management, HMAC-SHA256 webhooks, and automation with ready-made Node.js and Python boilerplates.

Scapy Network Packet Analysis

analyzing-network-packets-with-scapy

mukul975/Anthropic-Cybersecurity-Skills

Use Scapy to craft, send, sniff, and dissect network packets for protocol analysis, reconnaissance, detecting SYN floods or DNS tunneling, and producing structured reports during authorized security testing.

Phishing Email Header Analysis

analyzing-phishing-email-headers

mukul975/Anthropic-Cybersecurity-Skills

Analyze email headers to uncover sender origins, routing chains, and authentication results, enabling defenders to validate legitimacy and spot phishing indicators using manual inspection and automation scripts.

Phishing Simulation Campaign

executing-phishing-simulation-campaign

mukul975/Anthropic-Cybersecurity-Skills

Runs authorized phishing simulation campaigns that design realistic pretexts, send targeted GoPhish emails, and track opens, clicks, and credential reports to measure organizational security awareness and resilience.

Type Juggling Exploits

exploiting-type-juggling-vulnerabilities

mukul975/Anthropic-Cybersecurity-Skills

Guide to abusing PHP loose comparison to bypass authentication, tamper hashes, and manipulate logic during pentests by sending typed payloads via JSON or serialization. Includes payload collections, curl commands, and workflow steps.

DMARC Enforcement Rollout

performing-dmarc-policy-enforcement-rollout

mukul975/Anthropic-Cybersecurity-Skills

Guide to execute a phased DMARC rollout from monitoring (p=none) through quarantine to reject, ensuring every legitimate sender is authenticated before blocking unauthorized mail through SPF/DKIM configuration, report analysis, and ongoing maintenance.

Swift Concurrency Expert

swift-concurrency-expert

sickn33/antigravity-awesome-skills

Diagnose and fix Swift 6.2+ concurrency problems by applying actor isolation, Sendable safety, and modern async patterns with minimal behavior change, plus guidance on compiler diagnostics and migration choices.

Discord Automation Toolkits via Rube MCP

discord-automation

sickn33/antigravity-awesome-skills

A comprehensive toolkit for automating various Discord operations, including sending messages (DMs and channels), managing user roles, creating and executing webhooks, and controlling message reactions. It utilizes Rube MCP and dedicated `discord` and `discordbot` toolkits, providing deep programmatic control over Discord interactions and administrative tasks.

Amplitude Automation Workflow

amplitude-automation

sickn33/antigravity-awesome-skills

Automate Amplitude product analytics by orchestrating Composio's Rube MCP toolkit to send events, resolve user activity, manage cohorts, and sync identities while always querying RUBE_SEARCH_TOOLS for current schemas.

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