Getting it into your agent
This one installs as part of its plugin. Adding the marketplace and installing the plugin brings it with everything else the plugin ships.
/plugin marketplace add HirogaKatageri/hirokata/plugin install guildWrote 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/hirogakatageri/hirokata/validate)<a href="https://agentmods.dev/skills/hirogakatageri/hirokata/validate"><img src="https://agentmods.dev/badge/skills/hirogakatageri/hirokata/validate/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.
<a href="https://agentmods.dev/skills/hirogakatageri/hirokata/validate"><img src="https://agentmods.dev/badge/skills/hirogakatageri/hirokata/validate.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00117 | $0.02370 |
| Opus 5.5 | $0.00047 | $0.00948 |
| Sonnet 5.5 | $0.00023 | $0.00474 |
| Haiku 4.5 | $0.00012 | $0.00237 |
Grade A, and why
validate 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 1mo 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.
How it starts
The opening of the file, as written. The whole thing — 179 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Validating the guild
There is no code left to unit-test. What can fail now is a member reading the schema and the process, understanding some of it, and doing something adjacent to what was needed.
docs/expectations.md is the specification that catches that, and because the data model is
a database, every expectation in it is a SQL assertion with a stated expected result
rather than prose to be interpreted. This skill runs them and reports what holds.
Read-only by default, and say so in the report. The only path that writes is
--fixture, which is gated behind a confirmation and refuses a board holding real work.
The surface
| invocation | what runs |
|---|---|
validate |
§3 — the eleven global invariants. They hold whatever just ran. |
validate <process> |
§3, then that process's preconditions, postconditions and anti-expectations. |
validate --fixture <name> |
Loads a fixture into a scratch database, then asserts against it. Writes. |
<process> names a skill, and the section it maps to:
| process | section | process | section |
|---|---|---|---|
new-requirement |
§4 the build flow | release |
§9 |
brief |
§5 | qa |
§10 the maintenance cycle |
dashboard |
§6 | shift |
§11 the unattended shift |
check-in |
§7 |
§8 names no process: it is the anti-expectations for emptying a board, and the fresh-file procedure that stands in for one. Its assertion, nothing was deleted, is G11 and runs with every other global.
<name> is one of empty, planned, in-flight, review-ready, messy, maintenance —
docs/expectations-fixtures.md.
The shape every assertion has
Zero rows when healthy, the offending rows when not, so a failure names its own cause.
finding-open-past-gate-repairs|1|REQ-001 tells you the row, the requirement and the rule;
a boolean FAIL tells you to go looking. Any output at all is a failure.
A handful state a count or a value instead — §4.b expects exactly the plan gate row, §4.c
expects N+10 | 2N+11 | 2, P4.a expects version 8. The sentence above each block says
which. Read it; do not assume the zero-rows shape.
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.
- 1mo ago Changed eeba49575667
- 1mo ago Changed f13c8f3a5595
- 1mo ago First seen · 179 lines · 117 tokens per session scan A 8804d1438193
validate is a skill published in the GitHub repository HirogaKatageri/hirokata (6 stars, last pushed 9d ago), licensed MIT. It adds 117 tokens to every session and 2,370 once invoked, about $0.0005 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 2026-09-04.
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