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PostToolUse hook that flags risky package-lock.json, yarn.lock, and pnpm-lock.yaml edits: missing lockfile updates, unexpected registry hosts, and dependency count spikes before merge.

Verify MCP server package provenance before Claude Code installation: registry publisher match, repository ownership, release artifact checksums, maintainer history, and rollback when supply-chain signals fail review.

PreToolUse hook that reviews proposed Bash commands for package, installer, and archive downloads, then blocks curl or wget download commands that do not include an adjacent checksum or signature verification step.

Scans for security vulnerabilities when package.json or requirements.txt files are modified.

The official Telnyx MCP server (@telnyx/mcp) that lets AI assistants use Telnyx's communications APIs through function calling — messaging (SMS/MMS), voice and call control, phone-number management, SIP connections, verification, and wireless. The npx package proxies to Telnyx's hosted MCP server over HTTPS and authenticates with a Telnyx API key.

Hosted streamable-HTTP MCP server registered as ai.com.mcp/skills-search that exposes Agent Skills Search API tools for discovering skills from the skills.sh registry using the open Agent Skills format.

Official C# SDK for Model Context Protocol servers and clients, maintained by the MCP project in collaboration with Microsoft, with NuGet packages for core MCP APIs, hosting and dependency injection extensions, ASP.NET Core HTTP servers, samples, API documentation, and cross-application access support.

Official PHP SDK for Model Context Protocol clients and servers, built with the PHP Foundation and Symfony project, published as `mcp/sdk` on Packagist, with framework-agnostic APIs, attribute discovery, manual registration, stdio and HTTP transports, sessions, tools, resources, prompts, sampling, and logs.

Official Python SDK for Model Context Protocol clients and servers, published as the `mcp` package on PyPI, with FastMCP server helpers, client support, tools, resources, prompts, stdio, SSE, Streamable HTTP, authentication, elicitation, sampling, logging, and standalone development tools.

Official Swift SDK for Model Context Protocol clients and servers, with Swift Package Manager installation, Swift 6+ support, Apple platform availability, MCP client and server APIs, stdio and HTTP transports, tools, resources, prompts, sampling, authentication, and conformance executables.

MIT-licensed K-Dense Scientific Agent Skills pack for turning Claude Code, Codex, Cursor, OpenClaw, Gemini CLI, Antigravity, Pi, and other Agent Skills-compatible hosts into scientific research assistants across bioinformatics, chemistry, medicine, drug discovery, data analysis, and scientific writing workflows.

Expert Agent Skills ZIP packaging QA capability pack applying documented skills directory layout, SKILL.md frontmatter checks, archive validation, and install smoke tests from official skills and plugin packaging documentation.

Pin MCP server package versions before adding them to Claude Code: registry verification, lockfile discipline, npx package pins, supply-chain review, and rollback steps aligned to MCP quickstart and registry documentation.

Step-by-step guide to packaging Claude Code plugins as zip archives: directory layout, manifest files, validation, and internal distribution.

Unity MCP server, plugin, CLI, and skill generator for controlling Unity Editor and runtime projects from MCP clients through built-in game-dev tools.

Local Apple documentation CLI and MCP server that gives Claude searchable offline access to Apple Developer Documentation, Swift Evolution proposals, Human Interface Guidelines, sample code, Swift.org pages, the Swift Book, and Swift package metadata.

Microsoft-maintained MCP server for converting HTTP, HTTPS, file, and data URIs into Markdown through the MarkItDown document-conversion library.

MCP server that lets Claude install other MCP servers into Claude Desktop by writing MCP config entries for npm packages, uvx packages, or locally cloned Node-based MCP server projects.

MCP server for live NixOS, nixpkgs, Home Manager, nix-darwin, Nixvim, FlakeHub, Noogle, NixOS Wiki, nix.dev, NixHub, binary cache, and local flake input lookups.

Code research MCP server that gives Claude GitHub code search, repository exploration, PR search, local ripgrep, local file reading, LSP definitions, references, call hierarchy, and package-to-source discovery.

MCP server for generating academic diagrams, statistical plots, figure packages, and visual evaluations from research context through PaperBanana's multi-agent illustration pipeline.

Webiny's MCP server for exposing Webiny-specific skills and development instructions to Claude, Cursor, Copilot, Windsurf, opencode, and other AI coding agents over stdio.

Source-backed agent for managing Changesets release cutovers, version PRs, changelog evidence, package bump decisions, pre-release mode, publish gates, and npm registry safety.

A practical walkthrough of structuring CLAUDE.md across a monorepo: how files load up the directory tree and on demand in subdirectories, path-scoped rules, imports, excluding other teams' files, and keeping per-package context lean.

Open-source infrastructure for running AI-generated code in secure, isolated cloud sandboxes, with Python and JavaScript SDKs, a Code Interpreter package, and self-hosting options.

Source-backed Claude agent prompt for contributing to the official Astro monorepo using its AGENTS.md guidance, pnpm workspace commands, package-local testing, bgproc dev server management, agent-browser UI checks, and Astro docs sources.

Apache-2.0 Python framework for building, packaging, serving, containerizing, and deploying AI model inference APIs and multi-model serving systems.

Source-backed Claude agent prompt for contributing to the official mui/material-ui monorepo using its AGENTS.md guidance, pnpm workspace filters, package build and test commands, component conventions, public error-message rules, API docs generation, visual regression and accessibility checks, and pre-PR checklist.

Source-backed Claude agent prompt for contributing to the official vercel/next.js monorepo using its AGENTS.md guidance, pnpm workspace commands, package-filtered builds, Turbopack and Rust boundaries, mode-specific tests, PR triage rules, and secrets-safety notes.

Claude Code statusline that checks package publish readiness from package.json, optional npm login visibility, package privacy, and dirty package metadata files.