CtrlK
BlogDocsLog inGet started
Tessl Logo

The package manager for agent skills and context

Versioned, evaluated skills and context for agentic software development

npx tessl search
Evaluate skill

Featured skills

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

planetscale/database-skills

vitess

Vitess best practices, query optimization, and connection troubleshooting for PlanetScale Vitess databases. Load when working with Vitess databases, sharding, VSchema configuration, keyspace management, or MySQL scaling issues.

huggingface/skills

hugging-face-cli

Execute Hugging Face Hub operations using the `hf` CLI. Use when the user needs to download models/datasets/spaces, upload files to Hub repositories, create repos, manage local cache, or run compute jobs on HF infrastructure. Covers authentication, file transfers, repository creation, cache operations, and cloud compute.

anthropics/skills

docx

Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when extracting or reorganizing content from .docx files, inserting or replacing images in documents, performing find-and-replace in Word files, working with tracked changes or comments, or converting content into a polished Word document. If the user asks for a 'report', 'memo', 'letter', 'template', or similar deliverable as a Word or .docx file, use this skill. Do NOT use for PDFs, spreadsheets, Google Docs, or general coding tasks unrelated to document generation.

hashicorp/agent-skills

run-acceptance-tests

Guide for running acceptance tests for a Terraform provider. Use this when asked to run an acceptance test or to run a test with the prefix `TestAcc`.

planetscale/database-skills

vitess

Vitess best practices, query optimization, and connection troubleshooting for PlanetScale Vitess databases. Load when working with Vitess databases, sharding, VSchema configuration, keyspace management, or MySQL scaling issues.

huggingface/skills

hugging-face-cli

Execute Hugging Face Hub operations using the `hf` CLI. Use when the user needs to download models/datasets/spaces, upload files to Hub repositories, create repos, manage local cache, or run compute jobs on HF infrastructure. Covers authentication, file transfers, repository creation, cache operations, and cloud compute.

anthropics/skills

docx

Use this skill whenever the user wants to create, read, edit, or manipulate Word documents (.docx files). Triggers include: any mention of 'Word doc', 'word document', '.docx', or requests to produce professional documents with formatting like tables of contents, headings, page numbers, or letterheads. Also use when extracting or reorganizing content from .docx files, inserting or replacing images in documents, performing find-and-replace in Word files, working with tracked changes or comments, or converting content into a polished Word document. If the user asks for a 'report', 'memo', 'letter', 'template', or similar deliverable as a Word or .docx file, use this skill. Do NOT use for PDFs, spreadsheets, Google Docs, or general coding tasks unrelated to document generation.

hashicorp/agent-skills

run-acceptance-tests

Guide for running acceptance tests for a Terraform provider. Use this when asked to run an acceptance test or to run a test with the prefix `TestAcc`.

Top performing skills & tiles

Discover more

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

—

Pending

tessl/npm-webpackbar

Elegant ProgressBar and Profiler for Webpack and Rspack

DOCS

—

Pending

tessl/npm-webpack-virtual-modules

Webpack plugin for dynamically generating in-memory virtual modules

DOCS

—

Pending

tessl/npm-webpack-sources

Source code handling classes for webpack with full source map support and transformation capabilities.

DOCS

—

Pending

tessl/npm-webpack-node-externals

Webpack externals function that automatically excludes node_modules dependencies from being bundled

DOCS

—

Pending

tessl/npm-webpack-livereload-plugin

Webpack plugin that enables live reload functionality for web development by integrating with webpack's build pipeline

DOCS

—

Pending

tessl/npm-webpack-hot-middleware

Webpack hot reloading middleware that can be attached to your own server

DOCS

—

Pending

tessl/npm-webpack

A comprehensive module bundler and build tool for JavaScript applications with advanced optimization and plugin system.

DOCS

—

Pending

tessl/npm-webpack-dev-middleware

Express-style development middleware for webpack that serves files from memory and handles compilation in watch mode

DOCS

—

Pending

tessl/npm-webpack-cli

CLI for webpack and friends - provides comprehensive command-line interface for webpack with configuration, building, serving, and analysis capabilities.

DOCS

—

Pending

tessl/npm-webpack-assets-manifest

This Webpack plugin will generate a JSON file that matches the original filename with the hashed version.

DOCS

Can't find what you're looking for? Evaluate a missing skill, or if you're looking for agent context for an open source dependency, request a tile.

Browse by category

View all categories

Find exactly what you need, organized by use case.

Testing & QA

Security & compliance

Documentation generation

Debugging & error handling

API development

Web design

Database management

From our partners

Become a partner

Enterprise-ready skills from trusted publishers.

anthropics/skills

webapp-testing

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

SKILL

elevenlabs/skills

text-to-speech

Convert text to speech using ElevenLabs voice AI. Use when generating audio from text, creating voiceovers, building voice apps, or synthesizing speech in 70+ languages.

SKILL

cisco/software-security

A software security skill that integrates with Project CodeGuard to help AI coding agents write secure code and prevent common vulnerabilities. Use this skill when writing, reviewing, or modifying code to ensure secure-by-default practices are followed.

SKILLS

hashicorp/agent-skills

terraform-stacks

Comprehensive guide for working with HashiCorp Terraform Stacks. Use when creating, modifying, or validating Terraform Stack configurations (.tfcomponent.hcl, .tfdeploy.hcl files), working with stack components and deployments from local modules, public registry, or private registry sources, managing multi-region or multi-environment infrastructure, or troubleshooting Terraform Stacks syntax and structure.

SKILL

pubnub/pubnub-app-developer

Build real-time applications with PubNub pub/sub messaging

SKILLS

anthropics/skills

skill-creator

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, edit, or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

SKILL

huggingface/skills

hugging-face-tool-builder

Use this skill when the user wants to build tool/scripts or achieve a task where using data from the Hugging Face API would help. This is especially useful when chaining or combining API calls or the task will be repeated/automated. This Skill creates a reusable script to fetch, enrich or process data.

SKILL