gh-skyline
A GitHub CLI extension to generate a 3D model of your GitHub contribution history
Runs with mockssource: GitHubGoMITcommit 5245b2fc9525
Go, MIT licensed. The project labels itself: 3d, 3d printing, cli, gh extension, gh extensions, github, go and golang.
gh-skyline runs, with stand-ins for the services it depends on. An Argusic agent installed it in 14 minutes and hit 4 errors and fixed every one without help on a clean machine with no GPU, and the whole session was recorded.
The gh-skyline binary builds, its full test suite passes (go test exit 0, 80 top-level PASS, 0 failures), and against a local schema-correct mock GitHub GraphQL API it generates ASCII art and writes a structurally valid binary STL (458100 triangles, exact size 22905084 bytes) for single-year, range, and --full modes.
What the agent ended up with on a clean machine, in its own words. How this is measured
Measured by Argusic on a fresh machine every time. Every number links to its evidence. Argusic Score 92 of 100 (the mean of this project's run scores).
At a glance
Subject data from GitHub, linked at the top of this page, refreshed . Test data by Argusic (CC BY 4.0); every number links to a run page with the full log, the recording, and their sha256 hashes.
What was measured
From the run that decided this verdict. Every line is a recorded value, not an estimate.

What went wrong, in the agent's own words
The agent's own words, worst first, never rewritten into advice.
- Go toolchain missing in container (no root to apt-install)7 minutes
- GitHub CLI missing (needed per README)3 minutes
- App requires GitHub GraphQL auth; GH_TOKEN alone still hit api.github.com so mock could not be reached3 minutes
- gh extension install . fails because clone dir is named 'repo' not 'gh-skyline'1 minute
- Install time
- 14 minutes
- Cold machine to finish
- 19 minutes
- Errors hit and fixed
- 4 hit, 4 fixed with no human help
- How the result was proved
- GH_SKYLINE_GRAPHQL_URL=http://localhost:9999/graphql /tmp/gs -u mona -y 2023 -o /tmp/final-check.stl exited 0 and printed 'Model generation complete: 458100 total triangles' and 'STL file written successfully'; python struct parse confirmed triangles=458100 and size matches 84+N*50
- Model tokens used
- 417,310
- Exact commit tested
- 5245b2fc9525
- Container image
- sha256:cdd920bce783
What was not measured
The other half, so you can see exactly how far this evidence goes. A gap is printed as a gap and never filled in.
- Peak GPU memory
- this ran on a CPU machine, so there was no GPU to sample
- Behaviour over a long run
- each attempt uses the smallest documented settings and a fixed time budget, so this measures whether it runs, not how it holds up under load
- Behaviour against real services
- this run was verified against stand-in services only
The end of the recording
The last lines of the terminal session that decided this verdict, exactly as they were recorded.
- Tests: `go test -count=1 ./...` — 10 packages `ok`, 0 failures, exit 0; 80 top-level `--- PASS` c… - Launch: binary built to `/tmp/gs`; `--help` prints the full usage (exit 0). Real run against a sc… - Fix needed: the app's `go-gh` client builds the GraphQL endpoint from `GH_HOST`/config and pointe… One note: `rebuild.sh`/README assume the repo is installed under the `gh-` name, but the clone here… tokens used 417,310 Victory. Final state verified: - Install: Go 1.27.2 and gh CLI 2.102.0 installed from official prebuilt tarballs (no root needed);… - Tests: `go test -count=1 ./...` — 10 packages `ok`, 0 failures, exit 0; 80 top-level `--- PASS` c… - Launch: binary built to `/tmp/gs`; `--help` prints the full usage (exit 0). Real run against a sc… - Fix needed: the app's `go-gh` client builds the GraphQL endpoint from `GH_HOST`/config and pointe… One note: `rebuild.sh`/README assume the repo is installed under the `gh-` name, but the clone here…
Replay the whole session, every command from a clean machine to this point.
How it was tested
One agent, one container, no human help. It installs the project the way its own documentation says to, runs it, and fixes what breaks. Everything below is recorded as it happened: the terminal session, the log and the exact commit. The full method.
Strengths and limits
Measured facts, not opinions. How this is written.
What went well
- Installed in 14 minutes, faster than the median of the 4 comparable projects Argusic has measured.
- Recovered from all 4 errors without a human stepping in, which says the failures are documented well enough to solve.
- Licensed MIT, as reported by its host.
What did not, or is not known
- Only reached a running state against stand-in services, so nothing here proves it works against the real ones.
- Measured once so far. A single attempt shows it can run, not that it runs reliably.
Of the 5 3d projects Argusic has installed and timed, gh-skyline was the 3rd fastest to reach a running state, and 4 of 5 reached one at all.
Also tested, in the same area
Every one of these was installed and run by Argusic on a clean machine. Nothing appears here that was not tested.
Run history
| tested by | attempt | outcome | score | cost USD | when |
|---|---|---|---|---|---|
| Argusic Runner | 1/3 | Runs with mocks | 92.00 | 0.07 |
Topics (from GitHub)
3d3d-printingcligh-extensiongh-extensionsgithubgogolangterminal
Embed the badge
Markdown for the project README. It links back here; terms on the terms page.
[](https://argusic.com/subject/gh-skyline)Questions
- Does gh-skyline run?
- gh-skyline runs, with mocks standing in for external services. Argusic installed and launched it on a clean machine in 14 minutes, hitting 4 errors on the way, and recorded the session.
- How did Argusic test gh-skyline?
- On a fresh, disposable machine, with every command recorded and the repository pinned at commit 5245b2fc9525. One attempt is recorded, and the full method is on the methodology page.
- What did it cost to test gh-skyline?
- The run that produced this verdict cost $0.07: real compute and model cost, not a list price per million tokens. It is recorded on that run's page.
- How long does gh-skyline take to install?
- 14 minutes in the run that decided this verdict, from a clean machine to a running state. That is one measured attempt, not an average.
- Does gh-skyline need a GPU?
- Not to start. Argusic reached a running state on a machine with no GPU.
- What goes wrong when installing gh-skyline?
- 4 things broke in the recorded run, and 4 were fixed without human help. Each one, and the time it cost, is listed on this page.
- How does gh-skyline compare with the alternatives?
- Of the 5 3d projects Argusic has installed and timed, gh-skyline was the 3rd fastest to reach a running state, and 4 of 5 reached one at all.
- Where is the evidence for gh-skyline?
- The recorded run is on this page, each linking to its full log and terminal recording, stored with a sha256 fingerprint so it cannot be quietly altered.