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 instructions/kurone-kito/idd-skill/idd-suitabilitygit clone --depth 1 https://github.com/kurone-kito/idd-skillWrote 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/instructions/kurone-kito/idd-skill/idd-suitability)<a href="https://agentmods.dev/instructions/kurone-kito/idd-skill/idd-suitability"><img src="https://agentmods.dev/badge/instructions/kurone-kito/idd-skill/idd-suitability.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 | $0.03710 | $0.03710 |
| Opus 5 | $0.01855 | $0.01855 |
| Sonnet 5 | $0.00742 | $0.00742 |
| Haiku 4.5 | $0.00371 | $0.00371 |
Grade C, and why
idd-skill idd-suitability.instructions.md scanned grade C with 1 finding 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.
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.
Hidden instructionshighPrompt injection
Directives inside HTML comments, invisible characters or bidirectional overrides are read by the model and not by the person reviewing the file.
<!-- idd-generated-from: idd-template/.github/instructions/idd-suitability.instructions.md Generated by sync-docs. Edit the source above, then run `node scripts/sync-docs.mjs --apply`; do not edit this file. --> How it starts
The opening of the file, as written. The whole thing — 333 lines — stays where its author put it; the contents beside it link to each section on GitHub.
IDD — Pre-Claim Suitability Triage (A4.5)
Read this file after A4 picks a candidate (A4 Step 2), or after A0-T
verifies an explicit issue target, and before idd-claim.instructions.md.
Position: After A4 (viability), before A5 (claim)
Scope: Explicit-target, roadmap, and orphan-first candidates
Purpose: Filter incoherent, unsafe, duplicated, or out-of-scope
issues, independent of the current run's context. Where A4 asks "can we
do this NOW?", A4.5 asks "SHOULD we do this at all?"
Relationship to the autopilot-suitability score
The numeric <!-- idd-skill-autopilot-suitability: N -->
footer is a discovery-time ranking/routing hint consumed in
idd-discover.instructions.md (floor: .github/idd/config.json
autopilotSuitability.floor, default 3; see also
docs/policy-constants.md). It is not one of the seven checks: A4.5
PASS/FAIL is decided solely by the qualitative checks, never by the
score. A low or missing score never fails this gate; a high score never
bypasses it.
When helper support is enabled, use helper scripts from
docs/idd-helper-scripts.md first for A4.5 evidence.
Written checks and decision flow remain authoritative when helper output
is missing or disagrees.
Issue-author approval is a separate pre-claim gate. Candidates that fail
the repository's issue-author approval evaluation are routed by
idd-discover.instructions.md and re-checked in
idd-claim.instructions.md; they are not rejected through A4.5.
Seven Suitability Checks
For the candidate picked in A4 Step 2 (or the explicit target verified by A0-T), evaluate the following checks in order. Stop and fail on the first check that is not satisfied.
Check 1: Repository Fit
Does the issue describe work scoped to this repository?
- Pass: Work is entirely within this repository's scope; no external system coordination needed
- Fail: Issue crosses repository boundaries, requires external system access, or is out-of-scope for this repository
- Outcome on fail:
out-of-scope
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.
- today Changed · +69 lines · +805 tokens per session ecec932e2b2a
- 5d ago First seen · 264 lines · 2,905 tokens per session scan C 499baeef244e
idd-skill idd-suitability.instructions.md is an instructions file published in the GitHub repository kurone-kito/idd-skill (11 stars, last pushed today), licensed MIT. It adds 3,710 tokens to every session, about $0.0186 per session on Opus 5. A static security scan graded it C with 1 finding (hidden instructions). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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