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SKILL.md

second-brain-project

Agent skill fromundefined-ui/second-brain-os

Set up or update a project in the vault: the four-stage folder pipeline, a project-scoped CLAUDE.md with one goal, and links to the concept pages it depends on. Use this skill when the user starts something new they will work on over time, says "create a project", "set up a folder for X", or asks to define the goal and structure of ongoing work. Do NOT use for one-off tasks, for wiki pages about a topic, or for scoping an existing project down to work in it.

How to install second-brain-project

install second-brain-project
# install the second-brain-os pack with the skills CLI
npx skills add undefined-ui/second-brain-os

# or add only this skill to Claude Code: copy the folder

skills/second-brain-project/

# into

~/.claude/skills/second-brain-project/ (all projects)

.claude/skills/second-brain-project/ (one project)

skills/second-brain-project/SKILL.md

MITFull file
1# Set up a project
2
3The knowledge layer answers what you know. The project layer answers what you
4are doing this week. Merging them fills a wiki with dead task lists and buries
5working files under conceptual notes.
6
7## Core rule
8
9One goal per project, stated in its own `CLAUDE.md`. A project with three goals
10is three projects.
11
12## Workflow
13
141. **Interview if needed.** What this produces, for whom, by when, and what the
15 agent's role is. Vague answers produce a file that makes every future session
16 worse.
172. **Create the folders:** `Inputs/`, `Process/`, `Outputs/`, `Feedback/`.
183. **Write the project `CLAUDE.md`:** what this is, the one goal with a date,
19 your role, working rules, current state. Name what the agent should not do
20 here as well.
214. **Link the knowledge layer.** Find concept pages the project depends on and
22 reference them from the project file. Copy into `Inputs/` only the few that
23 genuinely matter.
245. **Register it** in the root `CLAUDE.md` project list.
25
26## Output format
27
28```
29Project: <name>
30Goal: <one measurable outcome with a date>
31Folders created: Inputs, Process, Outputs, Feedback
32Concept pages linked: <list>
33Agent role: <one line>
34```
35
36## Calibration
37
38`Feedback/` is the folder people skip and the one that makes the system improve.
39If the user has no idea what would go in it, that is worth surfacing: it usually
40means the goal is not measurable yet.
41
42Do not create a project for work that finishes this week. That is a task.

Excerpt shown under the repository's MIT license.

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