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Agent skill

Setup Pstack

by tellahq in tellahq/opensession

Explain and configure how pstack uses Open Session models and child sessions.

MITAuto-check passed

Install Setup Pstack

skills CLI
$ npx skills add tellahq/opensession --skill setup-pstack -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install tellahq/opensession setup-pstack --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/tellahq/opensession.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/pstack-suite/skills/setup-pstack .claude/skills/setup-pstack && rm -rf skills-src

Use ~/.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/

Facts

Skill name
setup-pstack
GitHub stars
392
Token cost
~402 tokens
SKILL.md length
196 words
Files
1
Skills in repo
15
Repo updated
First seen
Licence
MIT

At a glance

Explain and configure how pstack uses Open Session models and child sessions.

  • Configure pstack models
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Changing pstacks delegation model choices

What it does

Setup Pstack is an agent skill from tellahq/opensession. Explain and configure how pstack uses Open Session models and child sessions. Use for /setup-pstack, "configure pstack models", or changing pstack's delegation model choices.

Its SKILL.md is about 400 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

The licence is MIT.

When your agent uses it

  • Configure pstack models
  • Changing pstacks delegation model choices

Example prompts

  • “configure pstack models”
  • “/setup-pstack”

What it can do on your machine

Read from SKILL.md and the folder at commit 80702e8. 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.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    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

Setup Pstack loads about 402 tokens when it runs. Until then it costs about 47 tokens; SKILL.md has 196 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~47
When it runs · the whole SKILL.md, loaded when a task matches
~402

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 passed

The automated check found no risky patterns in SKILL.md.

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

The full file from tellahq/opensession at commit 80702e8, republished under its MIT licence (© tellahq). 196 words, ~402 tokens.

Download SKILL.mdSave it as .claude/skills/setup-pstack/SKILL.md (or your agent's skills folder).
name
setup-pstack
description
Explain and configure how pstack uses Open Session models and child sessions. Use for /setup-pstack, "configure pstack models", or changing pstack's delegation model choices.
disable-model-invocation
true

Set up pstack for Open Session

Pstack requires no extension installation or host-global model file. The current session model is the lead. Child sessions inherit the platform default unless the caller passes an explicit configured model.

For a reusable lead-and-workers combination, use the workspace's Model presets settings. Configure a lead model, supporting models, and short instructions describing when each supporting model helps. Start new pstack sessions with that preset. Open Session exposes only policy-approved configured models and keeps the model choice attached to the session.

Rules

  • Never write or inspect host-global Pi directories, agent configuration, account files, or credentials.
  • Never invent a model id. Use the model picker or the exact ids exposed by a policy-gated Open Session tool.
  • Omit a child model to use normal inheritance and fallback behavior.
  • Use different model families for independent judgment only when those models are already configured and the extra cost earns its place.
  • A model preset changes routing, not permissions. Every child keeps the same repository, tool, credential, and run-kind boundaries.

Report the active session model or preset, whether explicit child models are needed, and the smallest workspace-preset change required. Do not create configuration files in the repository.

© tellahq, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in .agents/skills/pstack-suite/skills/setup-pstack of tellahq/opensession.

Open the folder on GitHubat commit 80702e8

Compare with similar skills

Setup Pstack 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.

Setup Pstack compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Setup Pstack this skilltellahq/opensession392—~402Automated safety check: PassMIT
Configure Channelopenclaw/openclaw392k—~946Automated safety check: PassMIT
ConfigurationBuilderIO/agent-native7.1k—~2.1kAutomated safety check: PassNone
Explain Usageasgeirtj/system_prompts_leaks69k—~345Automated safety check: PassCC0-1.0
Configure Eccaffaan-m/ECC275k—~1.3kAutomated safety check: PassMIT
Configure Eccaffaan-m/ECC275k—~1.1kAutomated safety check: PassMIT

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Questions about Setup Pstack

What does Setup Pstack do?

Explain and configure how pstack uses Open Session models and child sessions. Setup Pstack is an agent skill from tellahq/opensession. Explain and configure how pstack uses Open Session models and child sessions.

When should I use Setup Pstack?

Setup Pstack fits situations like: configure pstack models; changing pstacks delegation model choices.

How do I install Setup Pstack in Claude Code?

Run `npx skills add tellahq/opensession --skill setup-pstack -a claude-code`. Or copy the skill folder (.agents/skills/pstack-suite/skills/setup-pstack in tellahq/opensession) into .claude/skills/setup-pstack in your project. Claude Code loads it when a task matches its description.

How do I install Setup Pstack in Codex?

Run `npx skills add tellahq/opensession --skill setup-pstack -a codex`. Or copy the skill folder (.agents/skills/pstack-suite/skills/setup-pstack in tellahq/opensession) into .agents/skills/setup-pstack in your project. Codex loads it when a task matches its description.

Can I use Setup Pstack 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 tellahq/opensession --skill setup-pstack -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/setup-pstack, .gemini/skills/setup-pstack, .github/skills/setup-pstack and .opencode/skills/setup-pstack in your project.

What does Setup Pstack need to run?

SKILL.md names no scripts, command-line tools or credentials: Setup Pstack is instructions for the agent only.

Does Setup Pstack access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Setup Pstack safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Setup Pstack use?

Setup Pstack is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Setup Pstack use?

About 402 tokens (SKILL.md is roughly 1.6k 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 Setup Pstack?

Skills that share tags, products or a category with Setup Pstack: Configure Channel (openclaw/openclaw, 392k stars), Configuration (BuilderIO/agent-native, 7.1k stars), Explain Usage (asgeirtj/system_prompts_leaks, 69k stars) and Configure Ecc (affaan-m/ECC, 275k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Setup Pstack?

tellahq (a GitHub organization) maintains it in tellahq/opensession, which has 392 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on October 7, 2026.

Source: tellahq/opensession on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.