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/eve-agentnpx skills add lukedj78/dev-flow --skill eve-agentgit 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/eve-agent)<a href="https://agentmods.dev/skills/lukedj78/dev-flow/eve-agent"><img src="https://agentmods.dev/badge/skills/lukedj78/dev-flow/eve-agent.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 | $0.00194 | $0.05533 |
| Opus 5 | $0.00097 | $0.02766 |
| Sonnet 5 | $0.00039 | $0.01107 |
| Haiku 4.5 | $0.00019 | $0.00553 |
Grade A, and why
eve-agent 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 3d 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.
eve-agent
Scaffold and manage an eve agent — Vercel's filesystem-first agent framework, built on the open-source Workflow SDK — as the engine of a product. This skill is part of the dev-flow family and shares the same .workflow/ filesystem contract. Where dev-flow's design-md-to-app builds the Next.js app, this skill builds and grows the apps/agent (eve) that the app uses as its engine.
The one rule that matters most
Never guess the eve API. The source of truth is the bundled docs. Once eve is installed, its full documentation lives at node_modules/eve/docs/, and the live docs are at https://eve.dev/docs. Read the relevant doc there and run npx eve --help (or eve info) BEFORE scaffolding or before adding any capability. (Vercel's own official eve skill — npx skills add vercel/eve --skill eve — consists of exactly this rule and nothing else: read node_modules/eve/docs/README.md first.) eve is young and its surface can change between versions; this skill encodes the workflow and conventions, not a frozen copy of the API. If anything in this skill disagrees with the installed docs, the installed docs win.
references/eve-conventions.md carries the cross-cutting rules that apply to every mode — the per-capability import map, identity-by-path, the durability/idempotency contract, the security model, fail-closed auth, and deploy/monorepo wiring. Read it before scaffolding or adding a capability.
The second rule: eve runs every turn as a durable workflow, and an interrupted step re-runs on resume. So any tool with a non-idempotent side effect (payment, delete, email, external write) MUST be made idempotent or approval-gated (approval: always()/once() from eve/tools/approval). eve's defaults are permissive — do not rely on model behavior to prevent sensitive or irreversible actions.
Where the agent lives (two layouts — pick one)
The agent is the engine; the web app consumes it through eve's official Next.js integration — the withEve() wrapper mounts eve's routes same-origin and the useEveAgent() hook drives a session from the browser (see references/eve-web-integration.md). The web app never imports the agent's internals as a library, and never hand-rolls the HTTP/NDJSON plumbing that eve already provides. That boundary is the same in both layouts below.
What ships with it
12 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.
- references/ai-elements.md 11 KB
- references/contracts.md 37 KB
- references/eve-capabilities.md 36 KB
- references/eve-channels.md 11 KB
- references/eve-concepts.md 16 KB
- references/eve-conventions.md 19 KB
- references/eve-docs-coverage.md 16 KB
- references/eve-evals.md 8.8 KB
- references/eve-patterns.md 30 KB
- references/eve-scaffold.md 14 KB
- references/eve-web-integration.md 17 KB
- scripts/check_eve_state.py 4.3 KB runs code
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.
- 3d ago First seen · 179 lines · 194 tokens per session scan A 66606e93fe02
eve-agent is a skill published in the GitHub repository lukedj78/dev-flow (5 stars, last pushed 5d ago), licensed MIT. It adds 194 tokens to every session and 5,533 once invoked, about $0.0010 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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