By Mearman
PyPI JSON API: Tools for querying Python package metadata, release information, and statistics from the Python Package Index
This is a Claude Code Marketplace repository: used to distribute plugins that extend Claude Code with skills, slash commands, hooks, custom agents, and protocol servers (MCP, LSP).
How marketplaces work:
1. Add this marketplace
/plugin marketplace add Mearman/marketplace
2. Install a plugin from the list below
For example, to install the Wayback Machine Archive plugin:
/plugin install wayback@mearman
3. Use the skill
Ask: "Check if example.com is archived in the Wayback Machine"
Bibliography manipulation plugin supporting BibTeX, BibLaTeX, RIS, EndNote XML, and CSL JSON formats: Convert, validate, merge, filter, and perform CRUD operations on bibliography files.
Components: 9 skills
/plugin install bib@mearman
CVE Search: Tools for searching vulnerabilities by CVE ID, product name, or vendor, with detailed vulnerability information and dependency auditing
Components: 2 skills
/plugin install cve-search@mearman
GitHub REST API: Tools for repository metadata, READMEs, user profiles, and rate limit checking
Components: 4 skills
/plugin install github-api@mearman
Gravatar Avatar URLs: Tools for generating avatar URLs from email addresses
Components: 3 skills
/plugin install gravatar@mearman
JSON Language Server: Provides validation, completion, hover, document symbols, and formatting for JSON and JSONC files with automatic schema association support
Components: LSP
/plugin install json-lsp@mearman
JSON Schema Validation: Tools for validating JSON schemas themselves, validating JSON files against schemas, and auto-validating files against their $schema reference
Components: 3 skills
/plugin install json-schema@mearman
json-toolsJSON file manipulation toolkit with query, transform, edit, validate, and format capabilities using TypeScript
Components: 1 skill, 6 commands, MCP
/plugin install json-tools@mearman
npm Registry: Tools for searching packages, getting metadata, checking existence, and fetching download statistics
Components: 4 skills
/plugin install npm-registry@mearman
NPMS Package Analysis: Tools for package quality analysis, comparison, and name suggestions
Components: 3 skills
/plugin install npms-io@mearman
PyPI JSON API: Tools for querying Python package metadata, release information, and statistics from the Python Package Index
Components: 1 skill
/plugin install pypi-json@mearman
texLaTeX manipulation, generation, and conversion tools
Components: 6 skills
/plugin install tex@mearman
Wayback Machine Archive: Tools for checking, submitting, listing, screenshotting, and cache management for archived URLs
Components: 9 skills
/plugin install wayback@mearman
/plugin marketplace update
/plugin marketplace update mearman
/plugin marketplace remove mearman
/plugin update wayback@mearman
/plugin update wayback
/plugin update
/plugin uninstall wayback@mearman
Own this plugin?
Verify ownership to unlock analytics, metadata editing, and a verified badge. GitHub access is read-only (username + org membership).
Sign in to claimOwn this plugin?
Verify ownership to unlock analytics, metadata editing, and a verified badge. GitHub access is read-only (username + org membership).
Sign in to claimBased on adoption, maintenance, documentation, and repository signals. Not a security audit or endorsement.
npx claudepluginhub mearman/marketplace --plugin pypi-jsonMCP server for the Wayback Machine — save URLs, retrieve snapshots, search archives, check status, list screenshots, compare snapshots, and manage cache
Wayback Machine Archive: Tools for checking, submitting, listing, screenshotting, and cache management for archived URLs
npm Registry: Tools for searching packages, getting metadata, checking existence, and fetching download statistics
Gravatar Avatar URLs: Tools for generating avatar URLs from email addresses
GitHub REST API: Tools for repository metadata, READMEs, user profiles, and rate limit checking
Research-backed best practices for building modern, production-grade Python packages — project structure, pyproject.toml, typing, testing, CI/CD, documentation, versioning, API design, packaging, security, and developer experience
Codebase structural index — scan Python projects once, query the import graph for blast-radius and coupling before touching code — Python projects only
Audit, update, and manage project dependencies with safety checks
Check dependencies for known vulnerabilities, outdated packages, and license compliance
A growing collection of Claude-compatible academic workflow bundles. Covers scientific figures, manuscript writing and polishing, reviewer assessment, citation retrieval, data availability, paper reading, literature search, response letters, paper-to-PPTX conversion, and evidence-grounded Chinese invention patent drafting. Rules are organized as reusable skill folders with explicit workflows and quality checks.
Comprehensive skill pack with 66 specialized skills for full-stack developers: 12 language experts (Python, TypeScript, Go, Rust, C++, Swift, Kotlin, C#, PHP, Java, SQL, JavaScript), 10 backend frameworks, 6 frontend/mobile, plus infrastructure, DevOps, security, and testing. Features progressive disclosure architecture for 50% faster loading.