ClaudSkills — Skill of the Day

SOTD 2026-05-23: fastmcp-server

Sat, 23 May 2026 00:00:00 +0000

Complete guide for building MCP servers with FastMCP 3.0 - tools, resources, authentication, providers, middleware, and deployment. Use when creating Python MCP servers or integrating AI models with external tools and data.

Category: engineering

Author: FastMCP Community

Install in Claude Code:

/add-skill fastmcp-server

Full SKILL.md and one-click install →

SOTD 2026-05-22: railway-domain

Fri, 22 May 2026 00:00:00 +0000

Add, view, or remove domains for Railway services. Use when user wants to add a domain, generate a railway domain, check current domains, get the URL for a service, or remove a domain.

Category: engineering

Author: Railway

Install in Claude Code:

/add-skill domain

Full SKILL.md and one-click install →

SOTD 2026-05-21: flow-collection-processing

Thu, 21 May 2026 00:00:00 +0000

Use when building or reviewing Flow logic that processes lists of records using Loop, Assignment, Collection Filter, Collection Sort, or Transform elements. Triggers: 'iterate over collection in flow', 'flow loop add to collection', 'collection filter element', 'transform element flow', 'update records from collection variable', 'collection sort flow'. NOT for individual single-record retrieval (use Get Records alone), NOT for Apex-based collection manipulation, NOT for flow bulkification performance analysis (see flow-bulkification).

Category: general

Author: Pranav Nagrecha

Install in Claude Code:

/add-skill flow-collection-processing

Full SKILL.md and one-click install →

SOTD 2026-05-20: harness-plan

Wed, 20 May 2026 00:00:00 +0000

Long-running task harness for multi-session campaigns with compact machine-owned state, immutable feature contracts, and risk-gated review. Use when user says 'start a campaign', 'continue the campaign', 'track features', 'long-running task', or invokes /harness-plan.

Category: general

Author: tim-hub

Install in Claude Code:

/add-skill harness-plan

Full SKILL.md and one-click install →

SOTD 2026-05-19: gemini-video-understanding

Tue, 19 May 2026 00:00:00 +0000

Analyze videos using Google's Gemini API - describe content, answer questions, transcribe audio with visual descriptions, reference timestamps, clip videos, and process YouTube URLs. Supports 9 video formats, multiple models (Gemini 2.5/2.0), and context windows up to 2M tokens (6 hours of video).

Category: content

Install in Claude Code:

/add-skill gemini-video-understanding-alex-tgk-saasquatch

Full SKILL.md and one-click install →

SOTD 2026-05-18: implementing-application-whitelisting-with-applocker

Mon, 18 May 2026 00:00:00 +0000

Implements application whitelisting using Windows AppLocker to restrict unauthorized software execution on endpoints,

Category: general

Author: mahipal

Install in Claude Code:

/add-skill implementing-application-whitelisting-with-applocker

Full SKILL.md and one-click install →

SOTD 2026-05-17: granola-performance-tuning

Sun, 17 May 2026 00:00:00 +0000

Optimize Granola transcription accuracy, note quality, and processing speed. Use when improving transcription quality, reducing processing time, optimizing templates for better AI output, or tuning audio setup. Trigger: "granola performance", "granola accuracy", "granola quality", "improve granola", "granola transcription better".

Category: content

Author: Jeremy Longshore

Install in Claude Code:

/add-skill granola-performance-tuning

Full SKILL.md and one-click install →

SOTD 2026-05-16: jira-task-design

Sat, 16 May 2026 00:00:00 +0000

Generate a design document for a Jira task. Analyzes the codebase, references the planning document, then generates a structured design document. Use when user says "design task", "create design", "jira-task design", "설계 문서", "디자인 문서", or wants to design the implementation of a Jira issue.

Category: general

Install in Claude Code:

/add-skill jira-task-design

Full SKILL.md and one-click install →

SOTD 2026-05-15: memory-kit

Fri, 15 May 2026 00:00:00 +0000

Persistent context management for Claude Code sessions. Save, load, update, share, and audit session memory via MEMORY.md. Prevents context loss on compaction or session restart. Use when starting a session, before compaction, syncing context across teammates, or pruning stale memory entries. Trigger with "save memory", "load memory", "memory audit", "memory share".

Category: general

Author: builtbyzac

Install in Claude Code:

/add-skill memory-kit

Full SKILL.md and one-click install →

SOTD 2026-05-14: lean-startup

Thu, 14 May 2026 00:00:00 +0000

Design MVPs, validated learning experiments, and pivot-or-persevere decisions using Build-Measure-Learn. Use when the user mentions "MVP scope", "validated learning", "pivot or persevere", "vanity metrics", or "test assumptions". Covers innovation accounting and actionable metrics. For 5-day prototype testing, see design-sprint. For customer motivation analysis, see jobs-to-be-done. Trigger with 'lean', 'startup'.

Category: product

Author: Wondelai

Install in Claude Code:

/add-skill lean-startup

Full SKILL.md and one-click install →

SOTD 2026-05-13: navan-entity-management

Wed, 13 May 2026 00:00:00 +0000

Manage Navan users, departments, cost centers, and approval chains via API and SCIM provisioning. Use when onboarding departments, integrating identity providers, or auditing user access. Trigger with "navan entity management", "navan user management", "navan SCIM setup".

Category: general

Author: Jeremy Longshore

Install in Claude Code:

/add-skill navan-entity-management

Full SKILL.md and one-click install →

SOTD 2026-05-12: maintainx-core-workflow-a

Tue, 12 May 2026 00:00:00 +0000

Execute MaintainX primary workflow: Work Order lifecycle management. Use when creating, updating, and managing work orders through their full lifecycle, from creation to completion with all status transitions. Trigger with phrases like "maintainx work order", "create work order", "work order lifecycle", "maintenance task", "manage work orders".

Category: general

Author: Jeremy Longshore

Install in Claude Code:

/add-skill maintainx-core-workflow-a

Full SKILL.md and one-click install →

SOTD 2026-05-11: openrouter-pricing-basics

Mon, 11 May 2026 00:00:00 +0000

Understand OpenRouter pricing, calculate costs, and optimize spend. Use when budgeting, comparing model costs, or tracking spend. Triggers: 'openrouter pricing', 'openrouter cost', 'model pricing', 'openrouter budget', 'how much does openrouter cost'.

Category: general

Author: Jeremy Longshore

Install in Claude Code:

/add-skill openrouter-pricing-basics

Full SKILL.md and one-click install →

SOTD 2026-05-10: project-health-check

Sun, 10 May 2026 00:00:00 +0000

Comprehensive health check of a Next.js/Payload CMS project. Use when user asks to "check the project", "audit the codebase", "what's the state of the project", "project health", or before a major release. Checks TypeScript errors, build status, missing env vars, i18n completeness, SEO basics, and Payload CMS configuration.

Category: engineering

Install in Claude Code:

/add-skill project-health-check

Full SKILL.md and one-click install →

SOTD 2026-05-09: performing-memory-forensics-with-volatility3

Sat, 09 May 2026 00:00:00 +0000

Analyze volatile memory dumps using Volatility 3 to extract running processes, network connections, loaded modules,

Category: general

Author: mahipal

Install in Claude Code:

/add-skill performing-memory-forensics-with-volatility3

Full SKILL.md and one-click install →