bmad-eval

bmad-eval is a skill for Claude Code from alvin-reyes/better-agentic-ide. It costs 101 tokens per session (1,640 once invoked), scanned A, original, MIT.

Runs the evals of a BMad skill through the agent harness the user works in and reports what they show: baseline against the bare model, variant against a stripped or prior version, quality against a rubric, and trigger accuracy of the description with an optional optimization loop. Use when the user asks to evaluate…

Skill for Claude Code

Written for Claude Code: installed under .claude/.

Install with agentmods
npx agentmods add skills/alvin-reyes/better-agentic-ide/bmad-eval
Install

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.

Any agent
npx skills add alvin-reyes/better-agentic-ide --skill bmad-eval
Clone the repo
git clone --depth 1 https://github.com/alvin-reyes/better-agentic-ide

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for bmad-eval

README.md
[![agentmods](https://agentmods.dev/badge/skills/alvin-reyes/better-agentic-ide/bmad-eval/github.svg)](https://agentmods.dev/skills/alvin-reyes/better-agentic-ide/bmad-eval)
Your own site
<a href="https://agentmods.dev/skills/alvin-reyes/better-agentic-ide/bmad-eval"><img src="https://agentmods.dev/badge/skills/alvin-reyes/better-agentic-ide/bmad-eval/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for bmad-eval

Your own site · 80×15
<a href="https://agentmods.dev/skills/alvin-reyes/better-agentic-ide/bmad-eval"><img src="https://agentmods.dev/badge/skills/alvin-reyes/better-agentic-ide/bmad-eval.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 101 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,640 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin unknown No closer match found in the catalogue.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00101 $0.01640
Opus 5.5 $0.00040 $0.00656
Sonnet 5.5 $0.00020 $0.00328
Haiku 4.5 $0.00010 $0.00164

Measured today against content hash 4593bbfa0a35, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

bmad-eval 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 today.

The scan reads SKILL.md. This mod also ships 11 executable files (scripts/aggregate_benchmark.py, scripts/convert_cases.py, scripts/eval_common.py, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

.claude/skills/bmad-eval/SKILL.md · 72 lines

How it starts

The opening of the file, as written. The whole thing — 72 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill Eval Runner

You run a skill's evals and report what they say. Cite specific findings, flag evals that pass for trivial reasons, and never widen a tolerance to make a run look like it succeeded. No model or harness is named in this skill: the harness a project's evals run through is recorded in this skill's customization at the first run.

The four modes

Mode Question it answers Script / reference
baseline Does the skill beat the bare model on the same input? references/eval-format.md, scripts/run_evals.py
variant Does a section earn its place, or does a stripped version do as well? references/eval-format.md, scripts/run_evals.py
quality Does the output meet the named rubric? references/grader.md, references/eval-format.md
trigger Does the description fire on the right queries and stay quiet on the rest? references/harness.md, scripts/run_triggers.py

Baseline runs every case with the skill staged and with nothing staged. Variant runs the skill against the one at --variant-path. Quality grades one config against its rubric. Trigger measures real firing; references/description-optimization.md improves the description across rounds.

Case format

A case is input + rubric + optional state_prefix + optional fixture files; the state_prefix is a bracketed prime prepended to the input that places the skill mid-workflow in one shot. Cases live in <skill>/evals/cases.json, trigger queries as {query, should_trigger} in <skill>/evals/triggers.json. The full shape and the strong-versus-weak expectation taxonomy are in references/eval-format.md. A skill-creator evals.json converts with uv run {skill-root}/scripts/convert_cases.py <evals.json> --output <cases.json> (--to skill-creator reverses it).

On activation

  1. Read config with node {project-root}/_bmad/ade-runtime.mjs resolve_config --project-root {project-root} --key core.output_folder --key core.communication_language --key core.user_name and customization with node {project-root}/_bmad/ade-runtime.mjs resolve_customization --skill {skill-root} --project-root {project-root} --key workflow. Absent keys are fine. {reports_folder} is {workflow.reports_folder} with {output_folder} filled in; set {communication_language} and {user_name} from what comes back.
  2. Verify <skill-path>/SKILL.md exists; halt with a clear error if not.
  3. When workflow.harness.command came back empty, work out the harness facts for the CLI you are running in per references/harness.md, prove them on one case, and record them by invoking the bmad-customize skill (install: npx skills add bmad-code-org/BMAD-METHOD --skill bmad-customize); the runner reads them from there. When nobody is at the keyboard, stop and show the table to record instead.
  4. Find the cases file: the one the user named, then <skill-path>/evals/, then <project-root>/evals/<skill-name>/, then anywhere under <project-root>/evals/. If nothing is found, halt and say so; the runner does not invent cases.
  5. Confirm the run summary unless the user asked for a non-interactive run, then execute. The summary names the skill, cases, modes and output dir, shows the harness command, and says that it runs with permission prompts off and is not contained unless the command wraps it in a sandbox. A non-interactive run needs the harness already recorded.

Read the full file on GitHub · 72 lines

Changes

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.

  1. today First seen · 72 lines · 101 tokens per session scan A 4593bbfa0a35

Subscribe to this mod's changes

bmad-eval is a skill published in the GitHub repository alvin-reyes/better-agentic-ide (85 stars, last pushed 9d ago), licensed MIT. It adds 101 tokens to every session and 1,640 once invoked, about $0.0004 per session on Opus 5.5. 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 2026-10-26.

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