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PROFILE

Matevszm

Over seven months, contributed to the hashgraph/hedera-cli repository by engineering a robust CLI for Hedera Hashgraph, focusing on token management, governance, and cross-chain interoperability. Delivered features such as batch airdrops, NFT and fungible token operations, and cross-chain transfers to EVM addresses, while modernizing the codebase with a service-oriented architecture and modular plugin system. Enhanced reliability through comprehensive testing, schema validation, and improved error handling using TypeScript and Node.js. Strengthened developer onboarding with clear documentation and streamlined workflows. The work emphasized maintainability, type safety, and extensibility, enabling secure asset management and seamless integration with Ethereum-compatible ecosystems.

Overall Statistics

Feature vs Bugs

89%Features

Repository Contributions

85Total
Bugs
4
Commits
85
Features
32
Lines of code
163,724
Activity Months7

Work History

June 2026

1 Commits • 1 Features

Jun 1, 2026

2026-06 monthly summary focused on delivering cross-chain interoperability features and ensuring reliability through test coverage. Implemented cross-chain transfers to Ethereum Virtual Machine (EVM) addresses for Hedera accounts, enabling HBAR, fungible tokens (FT), and non-fungible tokens (NFT) to be sent to EVM-compatible addresses. This required updates to transfer schemas and transfer entry classes, as well as new tests to validate EVM address handling and Hedera account compatibility. No explicit bug fixes were reported this month; the focus was on feature delivery and ensuring correctness through tests. Overall impact strengthens Hedera-Ethereum interoperability, broadens possible use cases, and improves developer and user experience when moving assets between Hedera and Ethereum ecosystems.

May 2026

15 Commits • 4 Features

May 1, 2026

May 2026 monthly summary for hashgraph/hedera-cli: Delivered key CLI improvements and architectural upgrades that enhance user experience, visibility of permissions, and long-term maintainability. Highlights include a breaking v1.0.0 release with local output aliases, a comprehensive token allowances query across HBAR, fungible tokens, and NFTs, and a large-scale migration of core plugins to a service-oriented architecture with foundational interfaces. Documentation improvements also strengthened onboarding and contribution guidelines. These efforts deliver business value through clearer outputs, better permissions visibility, modular architecture for faster feature delivery, and a more maintainable codebase.

April 2026

19 Commits • 3 Features

Apr 1, 2026

Monthly summary for 2026-04: Delivered end-to-end Airdrop lifecycle and batch operations for fungible and non-fungible tokens in hedera-cli, enabling batch airdrops, listing, claiming, canceling, and rejecting pending airdrops. Hardened token governance with burn, wipe, freeze/unfreeze, pause/unpause, HBAR allowances, KYC grant/revoke, and NFT asset management. Strengthened testing and tooling with unit test optimizations and ADR plugin services pattern. Improved reliability and business value through enhanced token distribution, security/compliance controls, and developer productivity.

March 2026

26 Commits • 15 Features

Mar 1, 2026

Month: 2026-03 — Hedera CLI (hashgraph/hedera-cli) focus on reliability, error handling, and architecture modernization. Delivered multiple features and critical fixes that improve user experience, developer productivity, and platform extensibility. Key business value includes clearer error surfaces for automation, safer account/key handling, and a modular plugin architecture enabling faster feature delivery. Top features and fixes delivered: - ADR-007 error handling enhancements with JSON error formatting: implemented error handling improvements and support for JSON-formatted commander errors to improve automation and diagnostics (commits c6c99bbc6ef3820ca6d74c412c4d7ff0eae0a209; cd11917b5db440a429715683fa1c3e67e3614639). - Output schema validation and related improvements: strengthened error output validation to catch malformed outputs early (commit dca8ef185734445f78164fd83a522c714757da39). - Architecture modernization: migrated core plugins and commands (ERC20 plugin, token, account, topic, network plugins, and HBAR transfer) to the new architecture, enabling greater modularity and future extensibility (multiple commits across this effort). - Enum migration and unified usage: migrated from a JS const object to enums and unified enum usage across the codebase to improve type safety and maintainability (commits 61cbd69c1ef79d22e361ee713202f84ff54bb8d5; 34122b0fdfb33fdc9cb6ef3696663661a925ab5a). - Key management and new account flows: allowed providing a key when creating a fresh account and improved EVM credential handling and key resolver (commits 8c14969c1709b5683d0e47c148864bf1128dd3a2; 162f2b4a2262023fa1e07ffb06a0d40b795d74d6). - Reliability and quality improvements: divided sign and execute services, improved application handshakes, fixed integration tests (cwd), removed dead code related to AccountBalanceQuery, and fixed a batch-key issue; plus updates to docs (skill.md) and account command enhancements (additional commits listed in the repo). - New capabilities and UX improvements: added fungible token allowances, NFT allowances, NFT command expansion, topic command updates, and extended token delete command, broadening the CLI’s capabilities to support diverse asset workflows. Overall impact: These efforts reduce operator risk, shorten incident response times, and accelerate feature delivery through a more modular, testable, and maintainable codebase. The team demonstrated strong design discipline (ADR usage), improved type safety with enums, strengthened error handling for automation, and expanded token/NFT capabilities to support broader business use cases. Technologies/skills demonstrated: ADR-driven design, enum migrations, modular plugin architecture, JSON error formatting, output schema validation, EVM credential handling, enhanced key management, test reliability improvements, and comprehensive documentation.

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 monthly summary for hashgraph/hedera-cli focusing on key accomplishments, feature delivery, and skills demonstrated. Highlighted work includes CLI documentation improvements for usability and the introduction of flexible fungible token fees, with clear commit references.

January 2026

12 Commits • 3 Features

Jan 1, 2026

January 2026 highlights: Delivered key features for token management, CLI safety, and code quality, enabling safer onboarding and more robust token operations. NFT and Fungible Token Management Enhancements: added detailed token info, NFT serial lookup, NFT transfer, NFT creation from JSON, and standardized terminology to fungible token. CLI Onboarding, Safety, and Validation Enhancements: network display in operator setup, improved initialization wizard, global/command param validation, and confirmation prompts for risky commands. Core Quality, Type Safety and Interfaces Improvements: introduced typed CliError hierarchy, eliminated 'any' usage, modernized schema definitions and enums, and simplified zod types (z.int). These changes reduce misconfigurations, runtime errors, and maintenance cost while boosting developer velocity.

December 2025

10 Commits • 4 Features

Dec 1, 2025

December 2025 monthly summary for hashgraph/hedera-cli. The month delivered UX improvements, governance enhancements, and stability improvements across the CLI, with a focus on business value and maintainability. Key features include interactive CLI initialization wizard, global usage enabled by storing plugin state in the user's home directory, and branding updates with README and quick-start improvements. Admin keys management received structural enhancements with explicit domain schema types, clearer input descriptions, and safer deletion of key references during account deletion. Token statistics were expanded to track and display per-key token counts and to include adminKey in token listings. A UI and output bug was fixed by preventing HTML content from being escaped in output messages. Dependencies and code quality were updated to improve stability and future maintainability.

Activity

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Quality Metrics

Correctness92.4%
Maintainability84.6%
Architecture91.4%
Performance84.0%
AI Usage35.2%

Skills & Technologies

Programming Languages

BashJavaScriptMarkdownTypeScript

Technical Skills

AI IntegrationAPI DevelopmentAPI IntegrationAPI developmentAPI integrationBlockchain DevelopmentCI/CDCLI DevelopmentCLI developmentCode RefactoringDocumentationESLint configurationEnum UsageError HandlingFile System Management

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

hashgraph/hedera-cli

Dec 2025 Jun 2026
7 Months active

Languages Used

JavaScriptMarkdownTypeScriptBash

Technical Skills

API DevelopmentAPI integrationCLI DevelopmentCLI developmentDocumentationESLint configuration