A marketplace of Claude Code plugins for enhanced development workflows.
Add this marketplace to Claude Code:
/plugin marketplace add reggiechan74/cc-pluginsMulti-agent verification system implementing organizational intelligence for production-grade code reliability. Achieves 92%+ accuracy through team-of-rivals architecture with specialized critic agents.
Install:
/plugin install code-coherence@cc-pluginsFeatures:
- Multi-layer verification with independent critics implementing the Swiss cheese model
- Specialized critic agents: planner, code-critic, security-critic, domain-critic
- Domain specializations: financial, healthcare, legal
- Per-project configuration with
.claude/code-coherence.local.md - Hierarchical veto authority -- any critic can reject
Commands:
/coherence-check- Full multi-agent verification workflow/plan-review- Review execution plans with acceptance criteria/audit-trail- Bidirectional decision history with search/acceptance-criteria- Define and enforce success criteria/swiss-cheese-validation- Multi-layer error checking with independence verification
Create professional course curricula for 1-2 day workshops using backward design methodology and Bloom's taxonomy.
Install:
/plugin install course-curriculum-creator@cc-pluginsFeatures:
- Backward Design Framework with Bloom's Taxonomy integration
- Rapid course creation: autonomous or step-by-step
- Template system: save and reuse course structures
- Universal Design for Learning (UDL) compliance
- Virtual/hybrid delivery adaptation
- Kirkpatrick L1-L4 evaluation planning
- Course series design (101/201/301/401) with Bloom's band enforcement
Commands:
/create-course- Initialize new course project with directory structure/assess-needs- Conduct a training needs assessment/generate-objectives- Create Bloom's-aligned learning objectives/generate-rubrics- Create 1-5 scale analytical assessment rubrics/generate-outline- Generate module structure with timing/generate-lesson-plans- Generate detailed module-level lesson plans/generate-description- Create student-facing course description/generate-artifacts- Generate student handouts, instructor guides, etc./generate-evaluation-plan- Kirkpatrick L1-L4 evaluation plan/generate-transfer-plan- Post-workshop transfer plan/generate-workshop-prep- Dated preparation checklist for delivery/process-workshop-feedback- Analyze feedback and generate improvement report/adapt-for-virtual- Adapt curriculum for virtual or hybrid delivery/generate-review-package- Stakeholder/SME review package/review-curriculum- Validate curriculum quality and alignment/export-curriculum- Export as combined document/design-series- Design a leveled course series/save-as-template- Save course structure as reusable template/create-from-template- Create new course from existing template/list-templates- List available course templates
D3.js visualization skill for quickly creating any kind of data visualization.
Install:
/plugin install d3-visualizations@cc-pluginsFeatures:
- All D3 chart types: bar, line, area, scatter, pie, histogram, treemap, sunburst, force-directed, Sankey, chord, choropleth, and more
- 173 gallery templates covering every example from the Observable D3 Gallery
- Three output formats: standalone HTML, HTML + separate JS, React components
- Two workflows: direct implementation (fast) and creative mode (design philosophy + implementation)
- Discovery interview: 3-round, 12-question process to understand requirements before building
- Clean professional style: NYT/FT-inspired defaults with muted colors, clean axes, good typography
Gmail, Google Calendar, and Google Contacts MCP servers for Claude Code. Features OAuth auto-refresh, retry with backoff, read-only tool annotations, and optimized API batching.
Install:
/plugin install google-workspace-mcp@cc-pluginsFeatures:
- 22 Gmail tools: send, draft, read, search, modify, delete emails; label management; filters; attachments; threads; contact lookup
- 7 Google Calendar tools: list calendars, create/get/update/delete events, multi-calendar parallel queries
- OAuth auto-refresh with token persistence
- Retry with exponential backoff for transient failures
- In-memory caching with syncToken revalidation
Commands:
/authenticate- Run OAuth flow for Gmail and Calendar servers
Plan and book kids' summer camps, March break programs, and PA day coverage with budget tracking, schedule optimization, and provider research for Ontario families.
Install:
/plugin install kids-camp-planner@cc-pluginsFeatures:
- Day-by-day scheduling as the primary unit with weekly summaries derived automatically
- Full-year coverage: summer, PA days, winter break, March break in one annual view
- Provider research with structured comparison files (daily and weekly rates)
- Budget tracking with discount optimization and tax recovery estimates
- Private school support: handle calendar mismatches with public board schedules
- Email drafting: inquiry, registration, waitlist, special needs, and cancellation emails
- Pre-saved calendars for 12+ Ontario public school boards plus private schools
- Commute matrix with Geoapify API integration
Query Mississauga building permit data by address with filtering and summary stats.
Install:
/plugin install mississauga-permits@cc-pluginsFeatures:
- 20 municipal datasets: building permits, parcels, land use, transit, infrastructure, and more
- Text search with partial matching and address normalization
- Spatial queries by latitude/longitude
- Auto-discovered field metadata from ArcGIS FeatureServer
- Zero external dependencies (Python stdlib only)
- JSON output with summary statistics
Commands:
/fetch-permits <address>- Building permit lookup with rich filtering (type, scope, ward, date range, construction value)/fetch-mississauga [options]- General-purpose query for any of 20 City of Mississauga datasets
Author validated math papers interactively. Formalize concepts into prose, LaTeX math, and executable Python validation — each section checked before the next begins.
Install:
/plugin install math-paper-creator@cc-pluginsFeatures:
- Incremental section-by-section authoring with live validation
- Symbol registry: sets, parameters, variables, expressions, constraints, objectives
- Phantom detection, collision checking, index validation, cycle detection, unit boundaries
- Constraint satisfaction and objective evaluation against fixture data
- Compile to clean paper, standalone runner.py, and validation report
- Onboarding workflow for existing papers without validation
Commands:
/math-paper-creator:author [file]- Author a new paper interactively with section-by-section validation/math-paper-creator:onboard <file>- Convert an existing paper by adding validation blocks/math-paper-creator:check <file>- Run validation pipeline against a .model.md document/math-paper-creator:status <file>- Show symbol table, coverage, and orphan/phantom status/math-paper-creator:report <file>- Generate full validation report/math-paper-creator:paper <file>- Generate clean paper artifact (strips validation blocks)/math-paper-creator:compile <file>- Produce all artifacts: clean paper, standalone runner, validation report
AI image generation and presentation deck creation via Gemini API. 25 style presets, batch deck generation, and report-to-slides decomposition.
Install:
/plugin install nano-banana@cc-pluginsFeatures:
- 25 style presets across 6 categories: Technical, Business, Creative, UI/UX, Photography, Specialized
- Image editing with up to 14 reference images per call
- Batch deck generation from JSON specifications with resume support
- 5 presentation presets: consulting, workshop, pitch, creative, notebooklm
- Structured prompt schema with template assembly for presentation-quality slides
- Report-to-slides decomposition -- convert markdown/PDF reports into presentation decks
- Version-safe output -- never overwrites existing files
Commands:
/deck-prompt <path>- Decompose reports into deck specification JSON
Convert markdown research reports into interactive React presentation websites for GitHub Pages.
Install:
/plugin install report-to-web@cc-pluginsFeatures:
- Reusable generator for any structured markdown research report
- Tailwind CSS v4 + shadcn/ui with 8 built-in dark color themes
- Interactive elements: calculators, scenario sliders, comparison tables, timelines
- Knowledge vault with searchable full-text report content
- Dark professional theme with refined typography (DM Serif Display + IBM Plex Sans)
- GitHub Pages ready with included deploy workflow
- Auto-detects interactive opportunities from report content
Commands:
/report-to-web:generate <path>- Parse a markdown report and generate a complete React site
Generate portfolio-ready repository snapshots for resume and job documentation.
Install:
/plugin install resume-snapshot@cc-pluginsFeatures:
- Automated git metadata collection: commits, contributors, timeline, tags
- File statistics and lines-of-code analysis by language
- Infrastructure and tooling detection (CI/CD, Docker, linting, tests)
- Complexity hotspot detection and evolution analysis
- Import/dependency mapping with ASCII architecture diagrams
- Code quality evidence: test ratios, type safety, error handling patterns
- Professional portfolio-entry synthesis with technical architecture, skills, and business impact
Commands:
/resume-snapshot- Generate a portfolio-quality markdown summary of the current repository/resume-snapshot --output FILE- Write snapshot to a custom file path
Professional-grade rubric creation skill with validity, reliability, and fairness controls for Claude Code.
Install:
/plugin install rubric-creator@cc-pluginsFeatures:
- Three creation modes: Interactive, Template, and Example-Based
- 7 pre-built domain templates (regulatory-compliance, document-quality, code-review, vendor-evaluation, risk-assessment, performance-review, research-quality)
- Anchor examples for every score level
- Critical barrier definitions with thresholds
- Inter-rater reliability protocol
- Bias review checklist and maintenance lifecycle schedule
- Optional companion materials: pilot testing worksheet and scorer calibration pack
Commands:
/rubric-creator --interactive- Guided 6-phase questionnaire with validity/alignment foundation/rubric-creator --template [domain]- Generate from pre-built domain templates/rubric-creator --from-example [file]- Analyze existing rubric and create variant/rubric-creator --with-pilot- Generate pilot testing worksheet/rubric-creator --with-calibration- Generate scorer calibration pack
Generate and apply themed spinner verbs for Claude Code status messages. Includes pre-built themes (Star Trek, Game of Thrones, Mandalorian) with optional humor and cynic modifiers.
Install:
/plugin install spinnerverbs@cc-pluginsFeatures:
- Pre-built themes: Star Trek, Game of Thrones, Mandalorian
- Custom theme generation from any description
- Style modifiers:
--parody(Claude Code / AI / LLM references) and--cynic(pessimistic / world-weary twist) - Flexible scoping: Apply to current project, user-level, or local directory
Commands:
/spinnerverbs:create [theme]- Generate new themed spinner verbs from a description/spinnerverbs:apply [template-name]- Apply a pre-built theme template (startrek, gameofthrones, mandalorian)
Dual-audience specification format -- HSF v5 (prose instructions optimized for LLM execution) and SESF v4.1 (formal BEHAVIOR/PROCEDURE/RULE/STEP blocks optimized for human readers). Both share @route decision tables, @config parameters, $variable threading, consolidated error tables, and 3-tier scaling.
Install:
/plugin install structured-english@cc-pluginsFeatures:
- Two formats: HSF v5 (LLM-facing prose) and SESF v4.1 (human-facing formal blocks)
- Decision tables:
@routecompact notation for 3+ branch conditional logic - Centralized config:
@configblocks for thresholds, feature flags, and environment settings - Variable threading:
$variablefor explicit data flow between phases - Consolidated error tables: All errors in one scannable table (Error | Severity | Action)
- 3-tier scaling: Micro (20-80 lines), Standard (80-200 lines), Complex (200-400 lines)
- Structural validator with auto-format detection
- Cross-format conversion: author in SESF, convert to HSF for LLM execution
Commands:
/write-LLM-spec <domain>- Write an LLM-facing specification (HSF v5)/assess-LLM-doc <path>- Evaluate whether a document would benefit from HSF conversion/update-LLM-spec <path>- Update an existing HSF spec/write-human-spec <domain>- Write a human-facing specification (SESF v4.1)/assess-human-doc <path>- Evaluate whether a document would benefit from SESF conversion/update-human-spec <path>- Update an existing SESF spec/convert-human-to-llm <path>- Convert SESF spec to HSF for LLM execution/assess-inferred-intent <path>- Review a spec for ambiguity, contradiction, and inferred intent
After adding the marketplace, you can browse and install plugins using:
/pluginOr install directly by name as shown above.
Found an issue or have a suggestion? Please open an issue in the repository.
Each plugin has its own license. See individual plugin directories for details.