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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).

tessl install github:anthropics/skills --skill mcp-builder

Top performing skills & tiles

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

82%

coderabbit-debug-bundle

Collect CodeRabbit debug evidence for support tickets and troubleshooting. Use when encountering persistent issues, preparing support tickets, or collecting diagnostic information for CodeRabbit problems. Trigger with phrases like "coderabbit debug", "coderabbit support bundle", "collect coderabbit logs", "coderabbit diagnostic".

SKILL

82%

clerk-deploy-integration

Configure Clerk for deployment on various platforms. Use when deploying to Vercel, Netlify, Railway, or other platforms, or when setting up production environment. Trigger with phrases like "deploy clerk", "clerk Vercel", "clerk Netlify", "clerk production deploy", "clerk Railway".

SKILL

82%

clay-debug-bundle

Collect Clay debug evidence for support tickets and troubleshooting. Use when encountering persistent issues, preparing support tickets, or collecting diagnostic information for Clay problems. Trigger with phrases like "clay debug", "clay support bundle", "collect clay logs", "clay diagnostic".

SKILL

82%

clay-architecture-variants

Choose and implement Clay validated architecture blueprints for different scales. Use when designing new Clay integrations, choosing between monolith/service/microservice architectures, or planning migration paths for Clay applications. Trigger with phrases like "clay architecture", "clay blueprint", "how to structure clay", "clay project layout", "clay microservice".

SKILL

82%

apollo-common-errors

Diagnose and fix common Apollo.io API errors. Use when encountering Apollo API errors, debugging integration issues, or troubleshooting failed requests. Trigger with phrases like "apollo error", "apollo api error", "debug apollo", "apollo 401", "apollo 429", "apollo troubleshoot".

SKILL

82%

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).

SKILL

82%

excel-variance-analyzer

Automate budget vs actual variance analysis in Excel with flagging, commentary, and executive summaries for financial reporting and FP&A teams Activates when you request "excel variance analyzer" functionality.

SKILL

82%

unit-test-parameterized

Parameterized testing patterns with @ParameterizedTest, @ValueSource, @CsvSource. Run single test method with multiple input combinations. Use when testing multiple scenarios with similar logic.

SKILL

82%

unit-test-bean-validation

Unit testing Jakarta Bean Validation (@Valid, @NotNull, @Min, @Max, etc.) with custom validators and constraint violations. Test validation logic without Spring context. Use when ensuring data integrity and validation rules are correct.

SKILL

82%

nano-banana-pro

Generate and edit images using Google's Nano Banana Pro (Gemini 3 Pro Image) API. Use when the user asks to generate, create, edit, modify, change, alter, or update images. Also use when user references an existing image file and asks to modify it in any way (e.g., "modify this image", "change the background", "replace X with Y"). Supports both text-to-image generation and image-to-image editing with configurable resolution (1K default, 2K, or 4K for high resolution). DO NOT read the image file first - use this skill directly with the --input-image parameter.

SKILL

82%

gpt-image-1-5

Generate and edit images using OpenAI's GPT Image 1.5 model. Use when the user asks to generate, create, edit, modify, change, alter, or update images. Also use when user references an existing image file and asks to modify it in any way (e.g., "modify this image", "change the background", "replace X with Y"). Supports text-to-image generation and image editing with optional mask. DO NOT read the image file first - use this skill directly with the --input-image parameter.

SKILL

82%

rails-query-object

Creates query objects for complex database queries following TDD. Use when encapsulating complex queries, aggregating statistics, building reports, or when user mentions queries, stats, dashboards, or data aggregation.

SKILL

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