Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/wilddogjp/openbpxnpx agentmods add skills/wilddogjp/openbpx/bpx-varWrote 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.
[](https://agentmods.dev/skills/wilddogjp/openbpx/bpx-var)<a href="https://agentmods.dev/skills/wilddogjp/openbpx/bpx-var"><img src="https://agentmods.dev/badge/skills/wilddogjp/openbpx/bpx-var.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00023 | $0.00404 |
| Opus 5 | $0.00012 | $0.00202 |
| Sonnet 5 | $0.00005 | $0.00081 |
| Haiku 4.5 | $0.00002 | $0.00040 |
Grade A, and why
bpx-var 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 8d 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
var
PREREQUISITE: Read bpx-shared.
Usage
bpx var list <file.uasset>
bpx var set-default <file.uasset> --name <var> --value '<json>' [--dry-run] [--backup]
bpx var rename <file.uasset> --from <old> --to <new> [--dry-run] [--backup]
Behavior
list: merges CDO defaults with declaration metadata.set-default: writes a variable default on CDO properties.rename: rewrites matching NameMap entries from --from to --to.renamefails when destination variable is already declared; may return declaration warnings.
[!CAUTION] This command includes write-capable operations. Confirm intent and run
--dry-runfirst.
Command Matrix
| Command | Use when | Notable defaults |
|---|---|---|
list |
merges CDO defaults with declaration metadata. | Read-only path; safe for discovery. |
set-default |
writes a variable default on CDO properties. | Check bpx help for exact required flags. |
rename |
rewrites matching NameMap entries from --from to --to. | Run --dry-run first and use --backup for real writes. |
High-Signal Examples
bpx var list ./Sample.uasset
bpx var set-default ./Sample.uasset --name <var> --value '{"value":1}' [--dry-run] [--backup]
bpx var rename ./Sample.uasset --from OldValue --to NewValue [--dry-run] [--backup]
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.
- 8d ago First seen · 43 lines · 23 tokens per session scan A f028c6fe538b
bpx-var is a skill published in the GitHub repository wilddogjp/openbpx (99 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 23 tokens to every session and 404 once invoked, about $0.0001 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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