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 skills add OpenAEC-Foundation/OpenAEC-Workspace-Composer --skill vite-syntax-servergit clone --depth 1 https://github.com/OpenAEC-Foundation/OpenAEC-Workspace-ComposerWrote 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/openaec-foundation/openaec-workspace-composer/vite-syntax-server)<a href="https://agentmods.dev/skills/openaec-foundation/openaec-workspace-composer/vite-syntax-server"><img src="https://agentmods.dev/badge/skills/openaec-foundation/openaec-workspace-composer/vite-syntax-server/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/openaec-foundation/openaec-workspace-composer/vite-syntax-server"><img src="https://agentmods.dev/badge/skills/openaec-foundation/openaec-workspace-composer/vite-syntax-server.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 | $0.00137 | $0.02206 |
| Opus 5 | $0.00068 | $0.01103 |
| Sonnet 5 | $0.00027 | $0.00441 |
| Haiku 4.5 | $0.00014 | $0.00221 |
Grade A, and why
vite-syntax-server 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 8d 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 — 290 lines — stays where its author put it; the contents beside it link to each section on GitHub.
vite-syntax-server
Quick Reference
Server Options Overview
| Option | Type | Default | Purpose |
|---|---|---|---|
server.host |
string | boolean |
'localhost' |
Network interface to bind |
server.port |
number |
5173 |
Dev server port |
server.strictPort |
boolean |
false |
Exit if port is in use |
server.https |
https.ServerOptions |
-- | Enable TLS + HTTP/2 |
server.open |
boolean | string |
-- | Auto-open browser on start |
server.proxy |
Record<string, string | ProxyOptions> |
-- | API proxy rules |
server.cors |
boolean | CorsOptions |
localhost regex | CORS configuration |
server.headers |
OutgoingHttpHeaders |
-- | Custom response headers |
server.hmr |
boolean | HmrOptions |
-- | HMR connection config |
server.warmup |
{ clientFiles?, ssrFiles? } |
-- | Pre-transform files |
server.watch |
object | null |
-- | Chokidar watcher options |
server.middlewareMode |
boolean |
false |
Use Vite as middleware |
server.fs.strict |
boolean |
true |
Restrict file serving |
server.fs.allow |
string[] |
-- | Allowed serve directories |
server.fs.deny |
string[] |
sensitive defaults | Blocked file patterns |
server.origin |
string |
-- | Asset URL origin |
server.sourcemapIgnoreList |
false | Function |
ignores node_modules | Sourcemap filtering |
server.allowedHosts |
string[] | true |
[] |
Permitted hostnames |
server.forwardConsole |
boolean | object |
auto-detected | Forward browser console (v8+) |
Critical Warnings
NEVER set server.host to true or 0.0.0.0 without also configuring server.allowedHosts -- this exposes the dev server to all network interfaces and risks DNS rebinding attacks.
NEVER set server.fs.strict to false in shared or team environments -- it allows serving ANY file on the machine, including sensitive system files.
NEVER set server.cors to true in production-like environments -- it allows any origin to make requests. ALWAYS use specific origin patterns.
What ships with it
3 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.
- 8d ago First seen · 290 lines · 137 tokens per session scan A 329243adabe7
vite-syntax-server is a skill published in the GitHub repository OpenAEC-Foundation/OpenAEC-Workspace-Composer (5 stars, last pushed 5mo ago), licensed MIT. It adds 137 tokens to every session and 2,206 once invoked, about $0.0007 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 2026-09-03.
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