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.

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.

anthropics/skills

frontend-design

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

projectbluefin/dakota

subagent-driven-development

Use when executing implementation plans with independent tasks in the current session

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.

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.

anthropics/skills

frontend-design

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

projectbluefin/dakota

subagent-driven-development

Use when executing implementation plans with independent tasks in the current session

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.

Top performing skills & tiles

Discover more

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

—

Pending

tessl/npm-neovim

Nvim msgpack API client and remote plugin provider for Node.js

DOCS

—

Pending

tessl/npm-posthog-node

PostHog Node.js integration for event tracking, feature flags, and error tracking in server-side applications

DOCS

—

Pending

tessl/npm-pino-pretty

Prettifier for Pino log lines

DOCS

—

Pending

tessl/npm-devrev--ts-adaas

TypeScript library for DevRev's Airdrop platform providing control protocol for data extraction and loading workflows

DOCS

—

Pending

tessl/npm-rwsdk

A React framework for building full-stack, server-driven web applications on Cloudflare's edge platform with SSR, RSC, and realtime features

DOCS

—

Pending

tessl/npm-grammy

The Telegram Bot Framework for Node.js and Deno with middleware-based architecture and full TypeScript support

DOCS

—

Pending

tessl/npm-big-integer

An arbitrary length integer library for Javascript

DOCS

—

Pending

tessl/npm-anthropic-ai--claude-agent-sdk

SDK for building AI agents with Claude Code's capabilities to programmatically interact with Claude and build autonomous agents that can understand codebases, edit files, and execute workflows.

DOCS

—

Pending

tessl/npm-animejs

Fast, multipurpose JavaScript animation library for CSS, SVG, DOM, and JS objects with timelines, scroll triggers, physics, and interactive draggables

DOCS

—

Pending

tessl/npm-lightdash--warehouses

Warehouse connectors providing unified interface for querying BigQuery, Databricks, PostgreSQL, Redshift, Snowflake, and Trino data warehouses

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, update 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