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.

82%

anthropics/skills

mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

Top performing skills & tiles

Discover more

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

Invalid

alignment-level-QC

Calculates technical mapping statistics for any aligned BAM file (ChIP or ATAC). It assesses the performance of the aligner itself by generating metrics on read depth, mapping quality, error rates, and read group data using samtools and Picard.Use this skill to check "how well the reads mapped" or to validate BAM formatting/sorting before further processing. Do NOT use this skill for biological signal validation (like checking for peaks or open chromatin) or for filtering/removing reads.

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.

Browse by category

View all categories

Find exactly what you need, organized by use case.

From our partners

Become a partner

Enterprise-ready skills from trusted publishers.

84%

1.79x

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