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-upgradenpx skills add lukedj78/dev-flow --skill rn-upgradegit 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-upgrade)<a href="https://agentmods.dev/skills/lukedj78/dev-flow/rn-upgrade"><img src="https://agentmods.dev/badge/skills/lukedj78/dev-flow/rn-upgrade.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 | $0.00226 | $0.03203 |
| Opus 5 | $0.00113 | $0.01602 |
| Sonnet 5 | $0.00045 | $0.00641 |
| Haiku 4.5 | $0.00023 | $0.00320 |
Grade C, and why
rn-upgrade scanned grade C with 2 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 4d 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.
Recursive force deletehighDestructive command
rm -rf with a variable or a broad path is one typo away from removing the wrong tree.
rm -rf node_modules .expo Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
⚠️ **Not `docs.expo.dev/changelog` — that 404s**, and this skill pointed at it in five places until 2026-08-26. A source-of-truth link is worth a `curl -o /dev/null -w '%{http_code}'` now and then; a dead one sends the r How it starts
The opening of the file, as written. The whole thing — 187 lines — stays where its author put it; the contents beside it link to each section on GitHub.
rn-upgrade — upgrade an Expo + RN project to a newer SDK
Contract
See references/contracts.md (vendored from dev-flow). Key facts:
- Reads
<project-root>/.workflow/meta.json#stack.framework— must be"expo-rn". - Requires
meta.json#phase ≥ "scaffolded"(there must be a real app to upgrade — this skill never scaffolds). - This is a maintenance operation, not a pipeline step: it does not advance
phase. It only appends ahistoryentry recording the SDK versions before/after. - Idempotent in spirit: re-running on an already-upgraded project is a no-op after Step 1 detects
expois already at the target version (still worth runningexpo-doctorto catch drift).
When this skill applies
- Phase is
scaffoldedor later (an Expo app already exists at the project root). - User asks to move to a newer Expo SDK / React Native version, or reports
npx expo-doctorfailures, or dependency drift after manualnpm install. - Orchestrator note:
dev-flowdoes not route here automatically as part of the phase pipeline — this is invoked ad hoc, whenever the user wants to upgrade an already-running project.
Knowledge dependencies (read these first)
rn-fundamentals/SKILL.md— the 4 non-negotiables (Expo managed, latest SDK, TypeScript, npm) this skill is restoring/advancing.rn-bootstrap/references/stack-defaults.md— the pinned baseline versions used at scaffold time; the diff target for this upgrade.rn-eas-build-submit-update/references/eas-json.md—runtimeVersionpolicy must be re-verified after an SDK bump (a new SDK usually means a new runtime version, which affects EAS Update compatibility).rn-module-add/SKILL.md+rn-backend/references/*— if a wired module depends on a module being deprecated (e.g.expo-avused for audio/video in a wired feature), the breaking-changes step touches that code.
Source of truth — read this before trusting any command below
Expo SDKs ship roughly every quarter and change command surface, deprecations, and config shape release to release. This skill's workflow shape is stable; the exact command flags and package names are not. Before executing anything marked [VERIFY]:
What ships with it
4 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.
- 4d ago First seen · 187 lines · 226 tokens per session scan C 8fdf54a51105
rn-upgrade is a skill published in the GitHub repository lukedj78/dev-flow (5 stars, last pushed 6d ago), licensed MIT. It adds 226 tokens to every session and 3,203 once invoked, about $0.0011 per session on Opus 5. A static security scan graded it C with 2 findings (recursive force delete, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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