Facts

by av

Facts is an Automation skill for Claude Code, published by av in facts.

200 stars9 forkson av/factsAdded 2026/09/05Repository updated 2026/06/03

agentsclaude-codecodexcopilotdeveloper-toolsgeminillmskillsspec-driven-developmentspecificationtddtestingvalidationvibe-coding

Install in seconds

Install Facts

Copy Facts into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/av/facts/tree/main/skills/facts ~/.claude/skills/facts

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/av/facts.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/facts/SKILL.md in av/facts
Installs to: ~/.claude/skills/facts
Collection: One of 8 skills cataloged from this repository
Category: Automation — 1956 skills

What Facts does

Facts manages .facts files as atomic truth statements about a project. Use it to add, edit, list, check, remove, and lint facts, or to validate project claims against commands.

Facts is cataloged under Automation on DirSkills. Facts comes from a repository tagged agents, claude-code, codex, copilot and developer-tools.

Documentation

README

Excerpt

facts

A CLI for fact-driven development. You use it to specify what must be true about a project, then validate that reality matches.

Project: https://github.com/av/facts

Installing

If facts is not installed, install it with one of:

curl -fsSL https://raw.githubusercontent.com/av/facts/main/install.sh | sh

npm install -g @avcodes/facts

pipx install facts-cli

Verify with facts --version. The command is always facts — never npx facts.

Core idea

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Facts

What else does av publish alongside Facts?
Facts is one of 8 skills that DirSkills catalogs from av/facts, the repository it ships in. Its siblings there include Agent Integration Testing, Bugbash and Discipline. Each one is a separate skill with its own page in this directory, installs the same way Facts does, and is maintained by av in that same repository. The rest of the collection is listed on the av/facts page.
How does Facts compare to other Automation skills?
Facts ranks #1789 by stars among the 1956 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Facts against them. Open each page to compare what they document and how they install.