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The package manager for agent skills and context

Versioned, evaluated skills and context for agentic software development

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Featured skills

Install our featured skills or any skill from GitHub with Tessl package manager.

82%

anthropics/skills

mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

88%

coreyhaines31/marketingskills

content-strategy

When the user wants to plan a content strategy, decide what content to create, or figure out what topics to cover. Also use when the user mentions "content strategy," "what should I write about," "content ideas," "blog strategy," "topic clusters," or "content planning." For writing individual pieces, see copywriting. For SEO-specific audits, see seo-audit.

91%

softaworks/agent-toolkit

react-dev

This skill should be used when building React components with TypeScript, typing hooks, handling events, or when React TypeScript, React 19, Server Components are mentioned. Covers type-safe patterns for React 18-19 including generic components, proper event typing, and routing integration (TanStack Router, React Router).

84%

secondsky/claude-skills

systematic-debugging

Four-phase debugging framework that ensures root cause investigation before attempting fixes. Never jump to solutions. Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

82%

anthropics/skills

mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

88%

coreyhaines31/marketingskills

content-strategy

When the user wants to plan a content strategy, decide what content to create, or figure out what topics to cover. Also use when the user mentions "content strategy," "what should I write about," "content ideas," "blog strategy," "topic clusters," or "content planning." For writing individual pieces, see copywriting. For SEO-specific audits, see seo-audit.

91%

softaworks/agent-toolkit

react-dev

This skill should be used when building React components with TypeScript, typing hooks, handling events, or when React TypeScript, React 19, Server Components are mentioned. Covers type-safe patterns for React 18-19 including generic components, proper event typing, and routing integration (TanStack Router, React Router).

84%

secondsky/claude-skills

systematic-debugging

Four-phase debugging framework that ensures root cause investigation before attempting fixes. Never jump to solutions. Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.

Top performing skills & tiles

Discover more

Tessl analyses skills and tiles for their impact on agent success.

59%

conductor-validator

Validates Conductor project artifacts for completeness, consistency, and correctness. Use after setup, when diagnosing issues, or before implementation to verify project context.

SKILL

59%

arm-cortex-expert

Senior embedded software engineer specializing in firmware and driver development for ARM Cortex-M microcontrollers (Teensy, STM32, nRF52, SAMD). Decades of experience writing reliable, optimized, and maintainable embedded code with deep expertise in memory barriers, DMA/cache coherency, interrupt-driven I/O, and peripheral drivers.

SKILL

59%

remotion-best-practices

Best practices for Remotion - Video creation in React

SKILL

59%

↑ 1.48x

tessl/npm-babel-plugin-react-transform

Babel plugin to instrument React components with custom transforms

DOCS

58%

new-terraform-provider

Use this when scaffolding a new Terraform provider.

SKILL

58%

klingai-video-extension

Execute extend video duration using Kling AI continuation features. Use when creating longer videos from shorter clips or building seamless sequences. Trigger with phrases like 'klingai extend video', 'kling ai video continuation', 'klingai longer video', 'extend klingai clip'.

SKILL

58%

klingai-usage-analytics

Build usage analytics and reporting for Kling AI. Use when tracking generation patterns, analyzing costs, or creating dashboards. Trigger with phrases like 'klingai analytics', 'kling ai usage report', 'klingai metrics', 'video generation stats'.

SKILL

58%

klingai-upgrade-migration

Execute migrate and upgrade Kling AI SDK versions safely. Use when updating dependencies or migrating configurations. Trigger with phrases like 'klingai upgrade', 'kling ai migration', 'update klingai', 'klingai breaking changes'.

SKILL

58%

klingai-sdk-patterns

Implement common SDK patterns for Kling AI integration. Use when building production applications with Kling AI. Trigger with phrases like 'klingai sdk', 'kling ai client', 'klingai patterns', 'kling ai best practices'.

SKILL

58%

klingai-reference-architecture

Execute production-ready reference architecture for Kling AI video platforms. Use when designing scalable video generation systems. Trigger with phrases like 'klingai architecture', 'kling ai system design', 'video platform architecture', 'klingai production setup'.

SKILL

58%

klingai-rate-limits

Handle Kling AI rate limits with proper backoff strategies. Use when experiencing 429 errors or building high-throughput systems. Trigger with phrases like 'klingai rate limit', 'kling ai 429', 'klingai throttle', 'klingai backoff'.

SKILL

58%

klingai-prod-checklist

Execute pre-launch production readiness checklist for Kling AI. Use when preparing to deploy video generation to production. Trigger with phrases like 'klingai production', 'kling ai go-live', 'klingai launch checklist', 'deploy klingai'.

SKILL

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