My contributions to the MCP (Model Context Protocol) ecosystem, Agentic payments, Google (web.dev) and Mozilla (MDN engine) repositories, plus proposals to the GitHub service itself.

Table of Contents

• Debugging tool for MCP (Model Context Protocol) servers
• Safe bridge between AI agents and Web3 transactions
• Mozilla (MDN engine, yari) The platform code behind MDN Web Docs
• Google (web.dev) The frontend, backend, and content source code for web.dev
• Proposals to the GitHub itself, not a specific repo but orgs/community/discussions
• More

Debugging tool for MCP (Model Context Protocol) servers

2026 year

Anthropic donated MCP to Agentic AI Foundation (AAIF) so it can remain a vendor-neutral, open, community-driven standard for connecting AI agents to tools and data instead of being controlled by one company.

• [enhancement] Show expected format from MCP tool inputSchema
• [enhancement] Keep MCP tool property descriptions visible for filled inputs
• [enhancement] Local development sandbox

Safe bridge between AI agents and Web3 transactions.

2026 year

Open-source kit and protocol with anti-phishing patterns built in. Open envelope spec: CAIP-2 / EIP-5792 / EIP-712 aligned. AI agent prepares ERC-8265 envelopes. x402-adapter included.

• Get chain IDs from VIEM
• Add security tools (LavaMoat, StepSecurity, Socket)

Mozilla (MDN engine, yari) The platform code behind MDN Web Docs

2021 year

Issues:

• Update pegjs docs link
• Ability to define sampleId in different languages. fix EmbedLiveSample macros

PRs:

• This commit has parts from my closed PR (next link) so author mentioned me in commit
• My PR that solves the MDN engine URL encoding issue became part of another PR
• https://github.com/mdn/content/pull/7725
• https://github.com/mdn/translated-content/pulls?q=is%3Apr+author%3Ashapkarin+is%3Aclosed

In addition I made small commits to the mdn/content and mdn/translated-content.

Google (web.dev) The frontend, backend, and content source code for web.dev

2021 year

Issues:

• Hardcoded IDs and HREFs at the https://web.dev/learn
• Wrong link "Chrome updates" at the footer
• Href values of the links at the "Table of Contents" section are not processed by i18n

PRs:

• Fix headline anchors navigation at "/learn" page by removing hardcoded values
• Fix TOC links for the learn pages

Proposals to the GitHub itself, not a specific repo but orgs/community/discussions

2021 year

I also made many proposals for GitHub service itself. https://github.com/orgs/community/discussionsThat was a long time ago, and my English wasn’t good back then.

• Sorting the insights dependency graph lists
• Markdown: links target _blank
• Search improvements
• Find a compatible way to store and share branch descriptions to show it at the Github next (as well as at other apps and git itself)
• Show a branch PRs directly at the dropdown list inside a repo page

More

• GitHub Account
• GitHub Gist
• Repositories tracking page