Backend skills

This skill enables decoding, verifying, and generating JWTs across algorithms, helping you secure tokens and streamline authentication workflows.

This skill helps you manage environment variables and .env files with validation, encryption, and template generation for safer configurations.

This skill helps you send emails from Node.js using SMTP, OAuth2, attachments, and HTML templates with ease.

This skill generates cryptographically secure passwords and passphrases with configurable length, character sets, and entropy calculations to enhance security.

This skill generates production-ready Express.js REST APIs in TypeScript with middleware, validation, error handling and authentication patterns.

This skill sends emails via SMTP with HTML content, attachments, and multiple recipients, leveraging nodemailer for reliable notifications.

This skill reads, manipulates, and writes Excel files with full styling support, enabling fast data processing and report generation.

This skill creates and extracts ZIP, TAR, and GZIP archives with optional password protection to manage compressed files efficiently.

This skill optimizes image processing tasks by resizing, converting formats, and applying enhancements with a high-performance Node.js library.

This skill helps you perform cross-chain token transfers by resolving recipients and formats for addresses, ENS, and social handles.

This skill helps you construct and validate complex blockchain transactions for token transfers, NFT ops, and cross-chain operations using Bankr SDK.

This skill helps you manage asynchronous jobs with submit, poll, cancel, and batch options for robust SDK interactions.

This skill orchestrates Bankr API jobs using the submit-poll-complete pattern to submit prompts, poll status, and report results.

This skill provides reusable Bankr SDK client patterns and setup files to accelerate building, testing, and integrating Bankr transactions.

This skill helps you initialize and configure BankrClient for a two-wallet setup, including environment variables and wallet address derivation.

This skill helps you scaffold Bankr projects with templates for bot, web-service, dashboard, and CLI, including structure and setup guidance.

This skill provides reusable Bankr client code and project templates to accelerate API integration and project setup.

This skill enables you to submit raw EVM transactions and calldata to supported chains by providing to, data, value, and chainId.

This skill guides you through leveraged trading with Avantis perpetuals on Base, helping you open, manage, and close positions safely.

This skill helps design explicit API Platform contracts in Symfony, aligning operations, serialization, validation, and security with risk aware, versioned

This skill helps you update Python dependencies with UV, scan for outdated and unused packages, and safely edit pyproject.toml while preserving Django LTS.