Tessl • The package manager for agent skills

Featured skills

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

planetscale/database-skills

mysql

Plan and review MySQL/InnoDB schema, indexing, query tuning, transactions, and operations. Use when creating or modifying MySQL tables, indexes, or queries; diagnosing slow/locking behavior; planning migrations; or troubleshooting replication and connection issues. Load when using a MySQL database.

anthropics/skills

pdf

Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.

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

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

mysql

Plan and review MySQL/InnoDB schema, indexing, query tuning, transactions, and operations. Use when creating or modifying MySQL tables, indexes, or queries; diagnosing slow/locking behavior; planning migrations; or troubleshooting replication and connection issues. Load when using a MySQL database.

anthropics/skills

pdf

Use this skill whenever the user wants to do anything with PDF files. This includes reading or extracting text/tables from PDFs, combining or merging multiple PDFs into one, splitting PDFs apart, rotating pages, adding watermarks, creating new PDFs, filling PDF forms, encrypting/decrypting PDFs, extracting images, and OCR on scanned PDFs to make them searchable. If the user mentions a .pdf file or asks to produce one, use this skill.

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

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/maven-org-springframework--spring-context-support

Spring Framework integration support for caching (Caffeine, JCache), mail (JavaMail), scheduling (Quartz), and template engines (FreeMarker)

DOCS

—

Pending

tessl/maven-org-springframework--spring-context-indexer

Spring annotation processor for generating component metadata indexes to optimize application startup performance

DOCS

—

Pending

tessl/maven-org-springframework--spring-beans

Spring Beans - IoC Container and Dependency Injection providing comprehensive bean management infrastructure and dependency injection capabilities.

DOCS

—

Pending

tessl/maven-org-springframework--spring-aop

Spring AOP module providing aspect-oriented programming capabilities for the Spring Framework

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-web

Spring Security Web module provides comprehensive web security features for Spring-based applications, including servlet-based authentication, authorization, CSRF protection, session management, and security filter chain implementation

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-test

Spring Security Test provides comprehensive testing utilities for Spring Security applications with mock authentication, security context testing, and web security testing features.

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-remoting

Spring Security Remoting provides security services for remote method invocation in distributed Spring applications including RMI context propagation, HTTP invoker authentication, and DNS resolution utilities.

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-ldap

Spring Security LDAP module providing comprehensive LDAP authentication and authorization capabilities for enterprise applications

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-crypto

Spring Security Crypto provides cryptographic utilities including password encoding, key generation, encryption, and various hashing functions

DOCS

—

Pending

tessl/maven-org-springframework-security--spring-security-config

Spring Security configuration module providing comprehensive declarative security configuration capabilities for Spring applications

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

The package manager for agent skills and context