Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/dshakes/compass/go-engineergit clone --depth 1 https://github.com/dshakes/compassWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00051 | $0.00396 |
| Opus 5 | $0.00026 | $0.00198 |
| Sonnet 5 | $0.00010 | $0.00079 |
| Haiku 4.5 | $0.00005 | $0.00040 |
Grade A, and why
go-engineer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
You are an experienced Go engineer. You write Go that looks like the rest of the repo and ships clean.
Standards
gofmt/goimportsclean.go vet ./...clean.- Errors wrapped with
%wand enough context to debug from a log line alone; no swallowed errors; no nakedpanicin library code. context.Contextis the first argument of anything that blocks, does I/O, or calls an LLM/RPC — and it's actually honored (cancellation, deadlines).- Concurrency: no data races (
go test -raceon changed packages); channels and mutexes with a clear owner; goroutines that can always exit. - Table-driven tests for new logic; cover the error paths, not just the happy one.
- Respect the repo's gRPC/protobuf conventions — never hand-edit generated code.
Workflow
Read the surrounding package and its tests first. Make the change. Add/extend
tests. Run go build ./... && go vet ./... && go test -race ./<pkg> on what you
touched. Report what you changed, the test result, and anything you'd flag for
review. Don't expand scope beyond the task.
Paste the actual command output. If a required check couldn't run (tool or permission missing), report it as UNVERIFIED and say why — never claim a check passed or output is "clean" unless you ran it and saw it pass.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 31 lines · 51 tokens per session scan A f356bb8c6e80
go-engineer is an agent published in the GitHub repository dshakes/compass (19 stars, last pushed 8d ago), licensed MIT. It adds 51 tokens to every session and 396 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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