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 skills/lukedj78/dev-flow/rn-eas-build-submit-updatenpx skills add lukedj78/dev-flow --skill rn-eas-build-submit-updategit clone --depth 1 https://github.com/lukedj78/dev-flowWrote 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/lukedj78/dev-flow/rn-eas-build-submit-update)<a href="https://agentmods.dev/skills/lukedj78/dev-flow/rn-eas-build-submit-update"><img src="https://agentmods.dev/badge/skills/lukedj78/dev-flow/rn-eas-build-submit-update.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 | $0.00157 | $0.00908 |
| Opus 5 | $0.00078 | $0.00454 |
| Sonnet 5 | $0.00031 | $0.00182 |
| Haiku 4.5 | $0.00016 | $0.00091 |
Grade A, and why
rn-eas-build-submit-update 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 5d 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 — 41 lines — stays where its author put it; the contents beside it link to each section on GitHub.
rn-eas-build-submit-update — guardrail for EAS Build / Submit / Update / Workflows
The 5 rules (non-negotiable)
- 3 profiles in
eas.json:development(dev client, internal),preview(TestFlight / Play Internal — test on real devices),production(the store). NEVER ship from a profile not pre-tested in preview. - Credentials server-side via
eas credentials. NEVER commit.p12,.p8,*.keystore,*.jks, orgoogle-services.jsonfor production accounts. EAS holds them; local Apple/Google CLI never touches them. - OTA only for JS-only changes. If the diff touches
app.jsonconfig plugins, native modules, or anything that would changeprebuildoutput → it's a new build, not an Update. - Channels separate environments.
previewchannel for QA,productionchannel for end users. Ship updates topreviewfirst, promote toproductiononly after smoke-test. expo-updatesconfig inapp.jsonis the source of truth for runtime version (runtimeVersion: { policy: "appVersion" }or"sdkVersion"). Mismatched runtime versions = OTAs ignored.
Quick decision tree
- "Build, Submit, or Update — which do I need now?" →
references/decision-tree.md - "How do I write the eas.json profiles?" →
references/eas-json.md - "How do credentials work — where does the cert live?" →
references/credentials.md - "How do I set up EAS Workflows for CI?" →
references/workflows.md - "Did the build/OTA I just shipped actually land OK — do I need a hotfix or rollback?" →
rn-eas-deploy/references/observability.md(EAS Observe for build performance, EAS Update Insights for OTA rollout health)
Common anti-patterns (NEVER do)
- ❌ Committing certificates / keystores to git.
- ❌
eas build --profile productionwithout ever having built--profile previewfor that commit. - ❌
eas update --channel productionwithout--branch <name>and without testing onpreviewchannel first. - ❌ Updating
app.jsonconfig plugins and shipping via OTA — fails silently or crashes on user devices. - ❌ Bumping
versioninapp.jsonwithout also bumpingios.buildNumber/android.versionCode— store reject. - ❌
expo-updateswith defaultruntimeVersion(none) — OTA gets applied to incompatible native builds → crash. - ❌ Promoting an update to the
productionchannel and never checkingeas channel:insights/eas update:insightsafterwards — seern-eas-deploy/references/observability.md.
What ships with it
5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 5d ago First seen · 41 lines · 157 tokens per session scan A 2f4793c44374
rn-eas-build-submit-update is a skill published in the GitHub repository lukedj78/dev-flow (6 stars, last pushed today), licensed MIT. It adds 157 tokens to every session and 908 once invoked, about $0.0008 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 2026-08-31.
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