caveman-evidence-review skill
Read-only review of Caveman Cloud evidence: cost, Cave Score, workflows, traces, latency, errors, routing, savings. Use when asked what Caveman found or where LLM spend goes.
Is the caveman-evidence-review skill safe?
Clean: nothing in its files matched our rules. We read 1 file in the folder on 2026-10-25.
No findings.
Install the caveman-evidence-review skill
A skill is a folder. Copy it into your agent's skills folder and the agent loads it when the task matches its description.
git clone --depth 1 https://github.com/JuliusBrussee/caveman.git /tmp/caveman mkdir -p ~/.claude/skills cp -r /tmp/caveman/skills/caveman-evidence-review ~/.claude/skills/caveman-evidence-review
In the Claude apps, zip the folder and upload it from the Skills settings. The folder on GitHub
The instructions your agent would load
SKILL.md as published, without the frontmatter. Read it on GitHub
Review Caveman evidence
Act as a read-only operator. Build conclusions from current Caveman data, not from repository guesses. Never start, approve, cancel, or roll back an experiment from this skill.
Hard rules
- Keep these buckets separate:
Never add or relabel them.
- measured provider-complete list-price cost;
- inferred daily headroom;
- verified ledger savings;
- evidence cost.
explicitly asks for payload review. Metadata, spans, timing, models, token counts, status, and optimizer attribution are enough for the default review.
- Do not fetch prompt, completion, tool, or artifact payloads unless the user
organization id.
- Scope every read to the project selected by Caveman context. Never supply an
aggregate alone.
- Empty results are evidence of no current signal, not zero cost or zero risk.
- Cite trace ids and exact time windows used. Do not claim a cause from an
Step 1 — Load context
Prefer MCP:
caveman_context {}CLI fallback:
caveman cloud whoami
caveman cloud projects listStop if login or project selection is missing. Ask the user to run caveman login or select a project; never guess.
Step 2 — Establish baseline
Use caveman_report for:
- overview
- costs
- score
- workflows
- verified_savings
Then use caveman_plan for ranked daily headroom. If question is narrow, skip unrelated reports. Read shortest set that can answer it.
CLI fallback:
caveman cloud costs
caveman cloud score
caveman cloud plan --jsonState report window and basis before interpreting direction.
Step 3 — Test the leading explanation with traces
Use cavemantracesearch. Choose a bounded window and closed filters: workflow, agent, model, provider, error code, runtime mode, cache status, optimization id, status class, token/cost/latency bounds, compression, or monitor verdict.
Useful groupings:
- workflow — find jobs driving cost or failures;
- model — compare model mix;
- session — isolate retry or loop behavior;
- ungrouped — identify exact traces.
Compare a suspect cohort with a control cohort or earlier bounded window. Do not infer causality from one expensive trace.
CLI fallback:
caveman cloud traces search \
--workflow <slug> \
--from <RFC3339> \
--to <RFC3339> \
--sort total_cost_usd \
--dir desc \
--limit 25Step 4 — Inspect representative traces
Call cavemantraceget for a small number of high-signal trace ids. Inspect request and span metadata, latency, status, token counts, cache state, applied optimizers, and model route. Keep payload retrieval off.
CLI fallback:
caveman cloud traces show <trace-id> --spansStep 5 — Report
Use this shape:
## Caveman evidence review
Scope: <project> · <from> to <to>
Measured cost: <value and basis>
Verified savings: <ledger value, kept separate>
Inferred headroom: <per-day band, kept separate>
Findings:
1. <finding> — <aggregate evidence> — traces <ids>
2. <finding> — <aggregate evidence> — traces <ids>
Unproven:
- <plausible explanation lacking a control, trace, or eval>
Next read-only check:
- <one bounded query>
Possible action:
- <proposal only; use caveman-manage for read-only lifecycle review and safety gate>If data is missing, name missing signal and stop at strongest supported statement. Never turn a catalog subtotal into an invoice or an experiment result into verified savings.
More skills from JuliusBrussee/caveman
- AcavecrewWhen to delegate to `cavecrew-investigator` (locate code), `cavecrew-builder` (1-2 file edit) or `cavecrew-reviewer` (diff review) instead of working inline or using `Explore`. Their output is compressed, so main context lasts longer.
- AcavecrewWhen to delegate to `cavecrew-investigator` (locate code), `cavecrew-builder` (1-2 file edit) or `cavecrew-reviewer` (diff review) instead of working inline or using `Explore`. Their output is compressed, so main context lasts longer.
- AcavemanTerse caveman voice: answer first, fluff gone, every technical fact kept. Use for /caveman, "caveman mode", "talk like caveman", "be brief", "less tokens". Stays on until "stop caveman" or "normal mode".
- AcavemanTerse caveman voice: answer first, fluff gone, every technical fact kept. Use for /caveman, "caveman mode", "talk like caveman", "be brief", "less tokens". Stays on until "stop caveman" or "normal mode".
- Acaveman-commitWrite a Conventional Commits message compressed to intent only. Use for "write a commit", "commit message", /commit or /caveman-commit.
- Ccaveman-compressCompress a memory file such as CLAUDE.md or a todo list into caveman format to save input tokens, keeping a readable backup. Sends the file's text to the configured model provider. Trigger: /caveman-compress.
- Ccaveman-compressCompress a memory file such as CLAUDE.md or a todo list into caveman format to save input tokens, keeping a readable backup. Sends the file's text to the configured model provider. Trigger: /caveman-compress.
- Acaveman-discoverFind and label every LLM workflow in the repository so Caveman Cloud groups spend by workflow instead of one bucket. Use for "discover workflows" or breaking LLM spend down by workflow.
- Acaveman-exploreRead-only repository explorer for cold-start orientation, broad cross-file localization, or when a direct search failed. Skip it when the exact file or symbol is already named. Returns path:line citations only; its reads stay out of main context.
- Acaveman-helpQuick-reference card for the three caveman skills and their commands. Trigger: /caveman-help or "caveman help".
- Acaveman-learnAct on a Caveman learn report - review the ranked token sinks, apply cost-lowering fixes with per-edit consent, and report what those fixes returned. Use when asked to lower an agent's token cost, what caveman has saved, to trim a heavy CLAUDE.md, or to offload re-pasted context into cavemem.
- Acaveman-manageInspect Caveman Cloud's experiment lifecycle and block unsafe execution. Use when asked to start, approve, cancel, promote or roll back a Caveman experiment.