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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.

96%

planetscale/database-skills

postgres

PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement. Load when working with Postgres databases.

100%

elevenlabs/skills

speech-to-text

Transcribe audio to text using ElevenLabs Scribe. Use when converting audio/video to text, generating subtitles, transcribing meetings, or processing spoken content.

92%

openai/skills

linear

Manage issues, projects & team workflows in Linear. Use when the user wants to read, create or updates tickets in Linear.

96%

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.

96%

planetscale/database-skills

postgres

PostgreSQL best practices, query optimization, connection troubleshooting, and performance improvement. Load when working with Postgres databases.

100%

elevenlabs/skills

speech-to-text

Transcribe audio to text using ElevenLabs Scribe. Use when converting audio/video to text, generating subtitles, transcribing meetings, or processing spoken content.

92%

openai/skills

linear

Manage issues, projects & team workflows in Linear. Use when the user wants to read, create or updates tickets in Linear.

96%

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.

Top performing skills & tiles

Discover more

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

91%

↑ 1.07x

tessl/pypi-pip

The PyPA recommended tool for installing Python packages.

DOCS

91%

↑ 1.33x

tessl/pypi-imutils

A series of convenience functions to make basic image processing functions such as translation, rotation, resizing, skeletonization, displaying Matplotlib images, sorting contours, detecting edges, and much more easier with OpenCV and both Python 2.7 and Python 3.

DOCS

91%

↑ 1.07x

tessl/pypi-azure-batch

Microsoft Azure Batch Client Library for Python providing comprehensive APIs for managing batch computing workloads in Azure cloud

DOCS

91%

↑ 1.28x

tessl/pypi-atheris

A coverage-guided fuzzer for Python and Python extensions based on libFuzzer

DOCS

90%

↑ 1.40x

tessl/pypi-varname

Dark magics about variable names in python

DOCS

90%

↑ 1.30x

tessl/pypi-pydantic

Data validation using Python type hints

DOCS

90%

↓ 0.96x

tessl/pypi-azure-data-tables

Microsoft Azure Data Tables Client Library for Python

DOCS

89%

↑ 1.01x

tessl/pypi-rdkit

Platform wheels for RDKit - a comprehensive cheminformatics and machine-learning library with Python bindings

DOCS

89%

↑ 1.03x

tessl/pypi-posthog

Integrate PostHog into any python application.

DOCS

89%

↑ 1.21x

tessl/pypi-aws-lambda-powertools

Comprehensive developer toolkit implementing serverless best practices for AWS Lambda functions in Python

DOCS

88%

↑ 1.01x

tessl/pypi-web3

A Python library for interacting with Ethereum blockchain

DOCS

88%

↑ 1.23x

tessl/pypi-us

A package for easily working with US and state metadata

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.

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From our partners

Become a partner

Enterprise-ready skills from trusted publishers.

90%

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

93%

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 74+ languages.

SKILL

84%

↑ 1.78x

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

86%

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

88%

↑ 1.27x

pubnub/pubnub-app-developer

Build real-time applications with PubNub pub/sub messaging

SKILLS

93%

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

69%

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