Icm Architect
RinDig/icm-architect
Design any process, idea, problem, or body of knowledge into an ICM (Interpretable Context Methodology) workspace — folder structure as agent architecture — or restructure an existing folder, repo…
Initialize or update the Second Brain vault — creates folder structure, declares interests, configures Craft import scope, and generates CLAUDE.md.
Install Second Brain Setup
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install PieroSierra/SecondBrain second-brain-setup --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/second-brain-setup .claude/skills/second-brain-setup && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .claude/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setupType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install PieroSierra/SecondBrain second-brain-setup --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/second-brain-setup .agents/skills/second-brain-setup && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .agents/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install PieroSierra/SecondBrain second-brain-setup --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/second-brain-setup .cursor/skills/second-brain-setup && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .cursor/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/PieroSierra/SecondBrain.git --path .claude/skills/second-brain-setup--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install PieroSierra/SecondBrain second-brain-setup --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/second-brain-setup .gemini/skills/second-brain-setup && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .gemini/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install PieroSierra/SecondBrain second-brain-setupInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/second-brain-setup .github/skills/second-brain-setup && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .github/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install PieroSierra/SecondBrain second-brain-setup --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/PieroSierra/SecondBrain.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/second-brain-setup .opencode/skills/second-brain-setup && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "second-brain-setup" agent skill from https://github.com/PieroSierra/SecondBrain/tree/main/.claude/skills/second-brain-setup into .opencode/skills/second-brain-setup/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "second-brain-setup", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
second-brain-setup- GitHub stars
- 152
- Token cost
- ~2.8k tokens
- SKILL.md length
- 949 words
- Files
- 1
- Skills in repo
- 15
- Repo updated
- First seen
- Licence
- None found
At a glance
Initialize or update the Second Brain vault — creates folder structure, declares interests, configures Craft import scope, and generates CLAUDE.md.
- Works in 6 steps: Check existing configuration → Declare interests → Configure Craft import scope → …
- Tasks that involve Second brain
- SKILL.md covers What this skill does and Execution
- Reaches mcp.craft.do
What it does
Second Brain Setup is an agent skill from PieroSierra/SecondBrain. Initialize or update the Second Brain vault — creates folder structure, declares interests, configures Craft import scope, and generates CLAUDE.md.
Its SKILL.md is about 2.8k tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It sits in Knowledge Management, covering Second brain, Agent instruction files and File organization. The repository describes itself as: A personal knowledge base that lives in this folder. Drop content in, have it organized automatically, ask questions, and get sourced answers — either through Claude Code slash…
When your agent uses it
- Tasks that involve Second brain
- Tasks that involve Agent instruction files
- Tasks that involve File organization
Example prompts
- “/second-brain-setup”
Workflow steps
6 steps, taken from the step headings in SKILL.md.
- Check existing configuration
- Declare interests
- Configure Craft import scope
- Create vault directories
- Write CLAUDE.md and AGENTS.md
- Confirm completion
What it can do on your machine
Read from SKILL.md and the folder at commit cdcf96f. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are markdown and toml).
From the folder's file list and the shell code blocks in SKILL.md.
Network
Hosts in commands or code, which the agent is likely to contact:
mcp.craft.do
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Second Brain Setup loads about 2.8k tokens when it runs. Until then it costs about 42 tokens; SKILL.md has 949 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check: notes
The automated check noted patterns worth knowing about, such as sudo or a known installer.
- NoteMentions a .env fileSKILL.md:23
ode or OpenAI Codex — and records it in `.env` - NoteMentions a .env fileSKILL.md:24
Second Brain this is and records it in `.env` as `OWNER_NAME` - NoteMentions a .env fileSKILL.md:35
aults in the questions below. Also read `.env` if present and note any existing `AGENT_ENGINE` and `OWNER_NAME` values. - NoteMentions a .env fileSKILL.md:48
`AGENT_ENGINE` value already exists in `.env`, show it as the default and let the user press Enter to keep it. - NoteMentions a .env fileSKILL.md:50
Write the choice to `.env` at the vault root as `AGENT_ENGINE=claude` or `AGENT_ENGINE=codex`: - NoteMentions a .env fileSKILL.md:51
- If `.env` does not exist, create it with that single line. - NoteMentions a .env fileSKILL.md:67
`OWNER_NAME` already exists in `.env`, show it as the default. If the user - NoteMentions a .env fileSKILL.md:70
Write the value to `.env` at the vault root as `OWNER_NAME=<value>`, following - NoteMentions a .env fileSKILL.md:72
- If `.env` does not exist, create it with that line. - NoteMentions a .env fileSKILL.md:78
he same limits, and a line break inside `.env`
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
Without a licence we can't republish the file, so here is its outline and opening line. It has 949 words (~2,817 tokens).
“Initialize or update this personal knowledge base vault. This skill creates the folder structure, declares your interests, and configures your Craft import scope. It is idempotent — safe to run again to update an existing vault.”
- name
- second-brain-setup
- user-invocable
- true
Files
Just SKILL.md in .claude/skills/second-brain-setup of PieroSierra/SecondBrain.
Open the folder on GitHubat commit cdcf96f
Compare with similar skills
Second Brain Setup next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Second Brain Setup this skillPieroSierra/SecondBrain | 152 | — | ~2.8k | Automated safety check: Notes | None | |
| Icm ArchitectRinDig/icm-architect | 1.8k | — | ~3.2k | Automated safety check: Pass | MIT | |
| Second Brain Backfillundefined-ui/second-brain-os | 1k | — | ~504 | Automated safety check: Pass | MIT | |
| Second Brain Projectundefined-ui/second-brain-os | 1k | — | ~502 | Automated safety check: Pass | MIT | |
| Auditpricklywiggles/niamos | 192 | — | ~1.4k | Automated safety check: Pass | None | |
| Guideline Writingalfadur7/llm-wiki-newsroom | 170 | — | ~2.4k | Automated safety check: Pass | MIT |
Similar skills
Second Brain Backfill
undefined-ui/second-brain-os
Import a large archive into the vault in controlled batches: triage what is worth ingesting, process oldest first, checkpoint after every batch, and keep cost visible.
Second Brain Project
undefined-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.
Audit
pricklywiggles/niamos
Scan this Obsidian vault for content that's drifted from the conventions in CLAUDE.md (status↔folder drift, missing required fields, naming violations, stale active items, frontmatter health issues…
Guideline Writing
alfadur7/llm-wiki-newsroom
Guideline-authoring craft for instruction SoTs (.claude/ guides, CLAUDE.md, plan files) — operative rules vs recital, MUST/SHOULD/MAY force tiers, pruning, bloat control, blind review protocol…
Zhigui
CarlWangChina/zhigui-openclaw-ui-second-brain-skill
Personal assistant workflow for durable memory, connected actions, decisions, planning and review.
More from PieroSierra/SecondBrain
All 15 skills in this repoSecond Brain Delint
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Work through open findings in the latest lint report one at a time — propose a fix, apply on approval, skip on rejection.
Second Brain Describe Images
PieroSierra/SecondBrain
Describe one or more images pasted with a note and return the descriptions as JSON.
Second Brain Edit Wiki
PieroSierra/SecondBrain
Apply targeted edits to one or more wiki articles from a natural-language instruction, preserving structural invariants.
Second Brain Follow Up
PieroSierra/SecondBrain
Continue an existing conversation thread by re-reading the wiki and appending a follow-up answer to the thread file.
Second Brain Import Craft
PieroSierra/SecondBrain
Import a specific document from your configured Craft space into raw/craft/.
Second Brain Import File
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Import a file of any supported type (PDF, image, .txt/.md) into the vault's raw/ directory, ready for ingestion.
Related
Categories
Questions about Second Brain Setup
What does Second Brain Setup do?
Initialize or update the Second Brain vault — creates folder structure, declares interests, configures Craft import scope, and generates CLAUDE.md. Second Brain Setup is an agent skill from PieroSierra/SecondBrain.md.
When should I use Second Brain Setup?
Second Brain Setup fits situations like: tasks that involve Second brain; tasks that involve Agent instruction files; tasks that involve File organization.
How do I install Second Brain Setup in Claude Code?
Run `npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a claude-code`. Or copy the skill folder (.claude/skills/second-brain-setup in PieroSierra/SecondBrain) into .claude/skills/second-brain-setup in your project. Claude Code loads it when a task matches its description.
How do I install Second Brain Setup in Codex?
Run `npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a codex`. Or copy the skill folder (.claude/skills/second-brain-setup in PieroSierra/SecondBrain) into .agents/skills/second-brain-setup in your project. Codex loads it when a task matches its description.
Can I use Second Brain Setup in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add PieroSierra/SecondBrain --skill second-brain-setup -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/second-brain-setup, .gemini/skills/second-brain-setup, .github/skills/second-brain-setup and .opencode/skills/second-brain-setup in your project.
What does Second Brain Setup need to run?
SKILL.md names no scripts, command-line tools or credentials: Second Brain Setup is instructions for the agent only.
Does Second Brain Setup access the network?
SKILL.md names 1 domain. In commands or code: mcp.craft.do; the agent is likely to contact it when it follows the instructions. This is read from the text; nothing was executed.
Is Second Brain Setup safe to install?
Our automated static check of SKILL.md found notes only (mentions a .env file), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.
What licence does Second Brain Setup use?
No licence was found for Second Brain Setup or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.
How many tokens does Second Brain Setup use?
About 2.8k tokens (SKILL.md is roughly 11k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Second Brain Setup?
Skills that share tags, products or a category with Second Brain Setup: Icm Architect (RinDig/icm-architect, 1.8k stars), Second Brain Backfill (undefined-ui/second-brain-os, 1k stars), Second Brain Project (undefined-ui/second-brain-os, 1k stars) and Audit (pricklywiggles/niamos, 192 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Second Brain Setup?
PieroSierra (a GitHub user) maintains it in PieroSierra/SecondBrain, which has 152 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on October 5, 2026.
Source: PieroSierra/SecondBrain on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.