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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

Evaluate skill

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

84%

1.24x

tessl/npm-tns-platform-declarations

Platform-specific TypeScript declarations for NativeScript for accessing native objects

DOCS

84%

1.47x

tessl/npm-mathjs

Math.js is an extensive math library for JavaScript and Node.js featuring a flexible expression parser, symbolic computation, and support for numbers, big numbers, complex numbers, fractions, units, and matrices.

DOCS

84%

1.25x

tessl/npm-headlessui--react

A set of completely unstyled, fully accessible UI components for React, designed to integrate beautifully with Tailwind CSS.

DOCS

84%

1.09x

tessl/npm-flow-remove-types

Fast, zero-configuration Flow type annotation removal tool for JavaScript with CLI and programmatic APIs

DOCS

84%

0.99x

tessl/npm-chardet

Character encoding detector for automatic detection of text encodings using occurrence analysis

DOCS

83%

specstory-yak

Analyze your SpecStory AI coding sessions in .specstory/history for yak shaving - when your initial goal got derailed into rabbit holes. Run when user says "analyze my yak shaving", "check for rabbit holes", "how distracted was I", or "yak shave score".

SKILL

83%

specstory-organize

Organize SpecStory AI coding sessions in .specstory/history into year/month folders. Run when user says "organize my history", "clean up specstory", "sort my sessions", or "organize specstory files".

SKILL

83%

lightweight-security-review

Conducts a comprehensive security review of a git repo. Use when asked about security issues, code quality concerns, or to evaluate the security posture of a codebase or library.

SKILL

83%

langfuse-migration-deep-dive

Execute complex Langfuse migrations including data migration and platform changes. Use when migrating from other observability platforms, moving between Langfuse instances, or performing major infrastructure migrations. Trigger with phrases like "langfuse migration", "migrate to langfuse", "langfuse data migration", "langfuse platform migration", "switch to langfuse".

SKILL

83%

guidewire-webhooks-events

Implement Guidewire App Events and webhook integrations for event-driven architecture. Use when setting up outbound events, message queuing, webhook receivers, or asynchronous integration patterns. Trigger with phrases like "guidewire webhooks", "app events", "event-driven", "message queue", "guidewire notifications".

SKILL

83%

guidewire-deploy-integration

Deploy Guidewire InsuranceSuite integrations to Guidewire Cloud Platform. Use when deploying configuration packages, managing releases, or implementing blue-green deployments. Trigger with phrases like "deploy guidewire", "guidewire cloud deployment", "release management", "configuration deployment", "guidewire promotion".

SKILL

83%

guidewire-ci-integration

Configure CI/CD pipelines for Guidewire InsuranceSuite development. Use when setting up automated builds, tests, and deployments for Guidewire projects. Trigger with phrases like "guidewire ci", "guidewire pipeline", "automated testing guidewire", "jenkins guidewire", "github actions guidewire".

SKILL

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