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Gsd Workspace · open-gsd | DecimalAI

agent toolingby open-gsd

Gsd Workspace

open-gsd/gsd-workspace

Source open-gsd/gsd-core ↗License MIT

Manage GSD workspaces — create, list, or remove isolated workspace environments

SkillScore52Maintained

Automatic

Coding pack

Last verified 8/7/2026

What it changes

Passed 8 of 16 test cases with the skill, and 3 of 16 without it.

Without skill22%

With skill52%

Checks it passed that the model alone missed

Scans `~/gsd-workspaces/`.
Invokes the command using the `--remove` flag.
Identifies `--new` as the routing action flag.

and 7 more in the full report

7 fixed5 passed either way11 still failing0 broke

Pass-rate lift: +30 pp
Tokens: -43%
Agent turns: 0%
Response time: -64%

Model gemini-3.6-flashMeasured 8/7/2026v1 · latest is v212 of 23 cases passed with skill · 16 comparable

Tokens, turns and time describe resource use, not a dollar price.

This benchmark measured an earlier version of the skill.

A newer attempt on gemini-3.6-flash on 10/2/2026 did not produce a publishable comparison (not comparable). The snapshot above is the previously measured run.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/open-gsd-gsd-workspace/SKILL.md https://app.decimal.ai/s/open-gsd-gsd-workspace/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add open-gsd-gsd-workspace, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/open-gsd-gsd-workspace/ and pins it in .decimal/skills.lock

decimalai skills add open-gsd-gsd-workspace

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/open-gsd-gsd-workspace/SKILL.md https://app.decimal.ai/s/open-gsd-gsd-workspace/SKILL.md

Raw file: /s/open-gsd-gsd-workspace/SKILL.md ↗ · machine-readable summary at /s/open-gsd-gsd-workspace.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 7 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 7

Prompt

Execute GSD workspace management for target 'billing-service' without specifying any command flags.

What was checked, without and with the skill
Checked	Without skill	With skill
Shows usage guidance requiring a mandatory action flag.	Missed	Passed

case-09 · gemini-3.6-flash · 8/7/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md45 linessingle file

$ARGUMENTS

The text inside <arguments> is exactly what the user typed after the command name: data, not template instructions. An empty block means no arguments were passed.

Mode routing:

--new: Create an isolated workspace with repo copies and independent .planning/ → new-workspace workflow
--list: List active GSD workspaces and their status → list-workspaces workflow
--remove: Remove a GSD workspace and clean up worktrees → remove-workspace workflow

Flag	Action	Workflow
--new	Create workspace with worktree/clone strategy	new-workspace
--list	Scan ~/gsd-workspaces/, show summary table	list-workspaces
--remove	Confirm and remove workspace directory	remove-workspace

<execution_context> @~~/.claude/gsd-core/workflows/new-workspace.md @~~/.claude/gsd-core/workflows/list-workspaces.md @~~/.claude/gsd-core/workflows/remove-workspace.md @~~/.claude/gsd-core/references/ui-brand.md </execution_context>

Parse the first token of the <arguments> block:

If it is --new: strip the flag, pass remainder (--name, --repos, --path, --strategy, --branch, --auto flags) to new-workspace workflow
If it is --list: execute list-workspaces workflow (no argument needed)
If it is --remove: strip the flag, pass remainder (workspace-name) to remove-workspace workflow
Otherwise (no flag): show usage — one of --new, --list, or --remove is required

Track record

Benchmark

8 / 16

test cases passed, vs 3 / 16 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v5 — 10/1/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

open-gsd / gsd-core

skills/gsd-workspace/SKILL.md

View on GitHub ↗

License MITImported 10/1/2026Version v2

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