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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.

planetscale/database-skills

postgres

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

openai/skills

linear

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

Top performing skills & tiles

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

jeremylongshore/claude-code-plugins-plus-skills

gh-actions-validator

Automatically validates and enforces GitHub Actions best practices for Vertex AI and Google Cloud deployments. Expert in Workload Identity Federation (WIF), Vertex AI Agent Engine deployment pipelines, security validation, and CI/CD automation. Triggers: "create github actions", "deploy vertex ai", "setup wif", "validate github workflow", "gcp deployment pipeline"

SKILL

Jamie-BitFlight/claude_skills

conventional-commits

When writing a git commit message. When task completes and changes need committing. When project uses semantic-release, commitizen, git-cliff. When choosing between feat/fix/chore/docs types. When indicating breaking changes. When generating changelogs from commit history.

SKILL

openclaw/skills

virtualbox

Control and manage VirtualBox virtual machines directly from openclaw. Start, stop, snapshot, clone, configure and monitor VMs using VBoxManage CLI. Supports full lifecycle management including VM creation, network configuration, shared folders, and performance monitoring.

SKILL

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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Testing & QA

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Documentation generation

Debugging & error handling

API development

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Database management

From our partners

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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

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

pubnub/pubnub-app-developer

Build real-time applications with PubNub pub/sub messaging

SKILLS