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/render-oss/render-plugin-claude-code/render-web-servicesnpx skills add render-oss/render-plugin-claude-code --skill render-web-servicesgit clone --depth 1 https://github.com/render-oss/render-plugin-claude-codeWhat 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 | $0.00071 | $0.01550 |
| Opus 5 | $0.00036 | $0.00775 |
| Sonnet 5 | $0.00014 | $0.00310 |
| Haiku 4.5 | $0.00007 | $0.00155 |
Grade A, and why
render-web-services 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 2d 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.
This is a copy
95% identical to render-web-services — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 116 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Render Web Services
This skill covers Web Service behavior on Render: how traffic reaches your process, how deploys go live, and how optional features (domains, disks, auto-deploy) interact. Use it alongside Blueprint and networking skills when wiring render.yaml or Dashboard settings.
When to Use
- Configuring or debugging port binding, PORT, or multi-port web services
- TLS/HTTPS expectations at the edge vs inside the container
- Health checks blocking or rolling back deploys
- Custom domains, DNS, and certificate provisioning
- Auto-deploy, CI-gated deploys, and PR preview generation
- Persistent disks and their impact on scaling and zero-downtime
- Deploy lifecycle: build, pre-deploy, swap, drain, rollback, shutdown delay
Deeper patterns live under references/ (health checks, domains, deploy phases).
Port Binding
- Listen on
0.0.0.0(all interfaces). Binding only tolocalhostor127.0.0.1prevents Render’s proxy from reaching your app. - Use the
PORTenvironment variable for the HTTP listen port. Render sets it for you; the default is often10000and you can change the configured value in the service Settings in the Dashboard. - Reserved ports (do not bind your application to these for normal traffic):
18012,18013,19099.
Multi-port Web Services
- Only one port receives public HTTP traffic: the port aligned with
PORT. - Additional open ports are reachable on Render’s private network only (not from the public internet through the same public URL pattern).
TLS and HTTPS
- TLS terminates at Render’s edge. The edge speaks HTTPS to clients; your process typically receives plain HTTP on
PORT. - HTTPS redirect for clients is handled by the platform; users hitting HTTP are redirected appropriately at the edge.
- Do not terminate TLS inside the app for the primary public listener unless you have a rare, explicit need—standard Web Services assume HTTP behind the proxy.
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.
- 2d ago First seen · 116 lines · 71 tokens per session scan A 4ce0323558f5
render-web-services is a skill published in the GitHub repository render-oss/render-plugin-claude-code (0 stars, last pushed 13d ago), licensed MIT. It adds 71 tokens to every session and 1,550 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to render-web-services, differing in 2 lines, and is treated as a copy.
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