sst/opencodeGitHub

https://github.com/sst/opencode

Stars:: 148k
Default branch:: dev
Last scored:: 3h ago

85.2

Overall

Strengths

AGENTS.md / CLAUDE.md
CI configuration
CONTRIBUTING guide
Dependency manifest
License file

Gaps

Linter / formatter config

Suggestions to improve for a specific model

1
Linter / formatter config
Configure a linter/formatter (ESLint+Prettier, Biome, Ruff, rustfmt+clippy, golangci-lint) and commit the config.
+7.9 pts
2
Reproducible dev env
Add a Makefile or devcontainer or Dockerfile so the agent can set up the project in one command.
+3.6 pts
3
Manageable size
If possible, split into smaller modules or carve out a focused entry path. Document where to start in AGENTS.md.
+3.3 pts

Per-model scores

Claude Code

Weights AGENTS.md and tests heavily — Claude Code leans on an instructions file and a fast feedback loop.

85.3

Cursor

Weights type config and a detailed README highly — Cursor's inline edits benefit from static types and skim-readable docs.

83.8

Devin

Weights CI and reproducible envs highly — Devin runs in a sandboxed VM and needs end-to-end automation.

86.3

GPT-5 Codex

Balanced profile as a reference point.

85.5

Signal breakdown

AGENTS.md / CLAUDE.md· 100% pass

Substantive (2645 chars)

AGENTS.md

CI configuration· 100% pass

32 GitHub Actions workflow(s)

.github/workflows

CONTRIBUTING guide· 100% pass

Guide present

CONTRIBUTING.md

Dependency manifest· 100% pass

Manifest present

package.json

Reproducible dev env· 70% pass

Has flake.nix

flake.nix

License file· 100% pass

License present

LICENSE

Linter / formatter config· 0% pass

No linter/formatter config found

Pre-commit / git hooks· 100% pass

Hook framework configured

.husky

README· 100% pass

README detailed (6225 chars)

README.md

Manageable size· 50% pass

4498 files — large

Test suite· 100% pass

Found /specs

specs

Type configuration· 100% pass

Type config present

tsconfig.json