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 redhat-developer/rhdh-skills --skill rhdh-plugin-nfs-migrationgit clone --depth 1 https://github.com/redhat-developer/rhdh-skillsWrote 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/redhat-developer/rhdh-skills/rhdh-plugin-nfs-migration)<a href="https://agentmods.dev/skills/redhat-developer/rhdh-skills/rhdh-plugin-nfs-migration"><img src="https://agentmods.dev/badge/skills/redhat-developer/rhdh-skills/rhdh-plugin-nfs-migration/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/redhat-developer/rhdh-skills/rhdh-plugin-nfs-migration"><img src="https://agentmods.dev/badge/skills/redhat-developer/rhdh-skills/rhdh-plugin-nfs-migration.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 | $0.00163 | $0.01341 |
| Opus 5 | $0.00081 | $0.00671 |
| Sonnet 5 | $0.00033 | $0.00268 |
| Haiku 4.5 | $0.00016 | $0.00134 |
Grade A, and why
rhdh-plugin-nfs-migration 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 9d 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 — 107 lines — stays where its author put it; the contents beside it link to each section on GitHub.
RHDH Plugin NFS Migration
Own the shape of a frontend plugin's extensions as it moves from the legacy frontend system to NFS. Discover what the plugin exports before changing anything, migrate one extension type at a time, and keep legacy consumers compiling until the user explicitly approves a breaking change.
Start here
- Read the plugin's
package.json,src/plugin.tsorsrc/plugin.tsx, route refs, API factories, exported components, andapp-config.dynamic.yaml. - Read the workspace's own
AGENTS.mdorCLAUDE.md; repository rules beat anything written here. - List every discovered extension to the user before editing.
- Inspect branch and status before modifying files, and protect uncommitted work.
Route by outcome
| Outcome | Load and follow |
|---|---|
| Migrate a plugin to NFS | workflows/migrate-nfs.md |
| Test a migrated plugin in RHDH | workflows/test-nfs-plugin.md |
| Explain NFS before migrating | references/overview.md |
| Migrate pages or API factories | references/migrate-page.md |
| Migrate entity tabs or cards | references/migrate-entity-content.md |
| Migrate translations | references/migrate-translations.md |
| Migrate RHDH drawers, header items, homepage widgets | references/migrate-rhdh-extensions.md |
| Migrate app-level wrappers or root elements | references/migrate-app-level.md |
| Translate a legacy dynamic mount point into an extension | references/mount-point-mapping.md |
| Update package exports | references/package-json.md |
| Set up or update the NFS dev app | references/app-setup.md |
| Verify the migration | references/verification.md |
Reach RHDH operator app.extensions or app.routes.bindings |
references/operator-config.md |
| Troubleshoot a failed migration | references/gotchas.md, then references/support.md |
| Find a real migrated plugin to copy | references/reference-prs.md |
Boundaries
- This skill owns extension shape: which Blueprint replaces which legacy
extension, where it attaches, and what the package exports. It does not
choose
@backstage/*version numbers. /rhdh-backstage-upgradeowns version numbers: which Backstage release to move to and how to get the dependency set there. When the plugin's@backstage/*dependencies are too old for the Blueprints this migration needs, invoke it by name first, then return here./backstage-api-changesowns the NFS API deltas between the early alpha and the current GA surface — removedNavItemBlueprint, theconfigSchemareplacement forconfig.schema, renamed blueprint params. Invoke it by name when migrating a plugin that was already migrated against an older NFS API, or when a Blueprint param produces a TypeScript error./rhdh-plugin-exportowns exporting and packaging the migrated plugin./rhdh-plugin-wiringowns generatingdynamic-plugins.yamlconfiguration./rhdh-localowns running a local RHDH instance and applying plugin configuration to it./rhdh-pr-createowns staging, commits, and pull requests. Leave changed files unstaged and list them when you finish.
What ships with it
18 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.
- agents/openai.yaml 141 B
- references/app-setup.md 3.5 KB
- references/gotchas.md 6.3 KB
- references/migrate-app-level.md 2.8 KB
- references/migrate-entity-content.md 4.6 KB
- references/migrate-page.md 7.3 KB
- references/migrate-rhdh-extensions.md 6.2 KB
- references/migrate-translations.md 2.5 KB
- references/mount-point-mapping.md 9.9 KB
- references/operator-config.md 4.6 KB
- references/overview.md 2.5 KB
- references/package-json.md 4.7 KB
- references/reference-prs.md 2.0 KB
- references/support.md 1.8 KB
- references/testing-rhdh.md 2.1 KB
- references/verification.md 2.7 KB
- workflows/migrate-nfs.md 7.5 KB
- workflows/test-nfs-plugin.md 2.7 KB
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.
- 9d ago First seen · 107 lines · 163 tokens per session scan A 0661e0db0087
rhdh-plugin-nfs-migration is a skill published in the GitHub repository redhat-developer/rhdh-skills (16 stars, last pushed today), licensed Apache-2.0. It adds 163 tokens to every session and 1,341 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 2026-08-30.
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