What is ring:migrating-to-lib-systemplane?

A migration process for moving a Lerian Go service’s runtime settings from environment files or YAML into lib-systemplane, a client for changing selected configuration while the service is running. It covers settings such as log levels, feature flags, rate limits, and timeouts.

Use it to add hot-reloadable runtime configuration, register settings, start the configuration client, and migrate supported services from older systemplane versions.

It avoids restarting the service whenever supported operational settings need to change and provides a defined migration path for the database-backed configuration system.

ring:migrating-to-lib-systemplane — Skill for Cursor by LerianStudio

Install

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.

Any agent

npx skills add LerianStudio/ring --skill migrating-to-lib-systemplane

Clone the repo

git clone --depth 1 https://github.com/LerianStudio/ring

Made for: Cursor.

Or install ring-dev-team, the plugin that ships this one along with the rest of its 35 skills, 24 agents.

Wrote 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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/lerianstudio/ring/migrating-to-lib-systemplane/github.svg)](https://agentmods.dev/skills/lerianstudio/ring/migrating-to-lib-systemplane)

Your own site

<a href="https://agentmods.dev/skills/lerianstudio/ring/migrating-to-lib-systemplane"><img src="https://agentmods.dev/badge/skills/lerianstudio/ring/migrating-to-lib-systemplane/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/lerianstudio/ring/migrating-to-lib-systemplane"><img src="https://agentmods.dev/badge/skills/lerianstudio/ring/migrating-to-lib-systemplane.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 113 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 2,475 The whole file, excluding the scripts and references it only reads on demand.

Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

Origin original No closer match found in the catalogue.

Token cost

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	$0.00113	$0.02475
Opus 5.5	$0.00045	$0.00990
Sonnet 5.5	$0.00023	$0.00495
Haiku 4.5	$0.00011	$0.00248

Measured 1mo ago against content hash 1ccc17fc43ad, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ring:migrating-to-lib-systemplane 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 1mo 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.

dev-team/skills/migrating-to-lib-systemplane/SKILL.md · 146 lines

How it starts

The opening of the file, as written. The whole thing — 146 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Systemplane Migration (lib-systemplane)

When to use

User requests systemplane integration for a Go service
User asks to add hot-reloadable runtime configuration
Task mentions "systemplane", "runtime config", "hot reload", "LISTEN/NOTIFY config", "admin.Mount"
User asks to migrate from v4 systemplane to v5

Skip when

Service is not a Go project
Task does not involve runtime configuration
Service has zero hot-reloadable knobs (everything is static env-var-at-startup config)
Task is documentation-only or non-code

You orchestrate. Agents implement. NEVER use Edit/Write/Bash on Go source files. All code changes go through Task(subagent_type="ring:backend-go"). TDD mandatory for all implementation gates (RED → GREEN → REFACTOR).

Systemplane Architecture

Three-step lifecycle:

systemplane.NewPostgres / systemplane.NewMongoDB — construct client (pass open *sql.DB or *mongo.Client)
client.Register(namespace, key, defaultValue, opts...) — declare every key BEFORE Start
client.Start(ctx) — begin listening; Get* for reads, OnChange for reactions

Standards reference: WebFetch https://raw.githubusercontent.com/LerianStudio/lib-systemplane/main/doc.go

Canonical import paths:

Alias	Import Path	Purpose
`systemplane`	`github.com/LerianStudio/lib-systemplane`	Client, constructors, options, `SchemaSQL()` / `DefaultSeedSQL()` provisioning artifacts
`admin`	`github.com/LerianStudio/lib-systemplane/admin`	HTTP admin routes
`systemplanetest`	`github.com/LerianStudio/lib-systemplane/systemplanetest`	Contract test suite

Legacy paths are DELETED — do not use lib-commons/v4/... or lib-commons/v5/commons/systemplane (extracted to its own module), and do not use Supervisor, BundleFactory, ApplyBehavior.

Provisioning is migration-only. lib-systemplane publishes systemplane.SchemaSQL() + systemplane.DefaultSeedSQL() as public artifacts and consumers MUST fold them into the service's own SQL migration pipeline via the make systemplane-ddl generator pattern (Gate 3.5). Runtime DDL provisioning is FORBIDDEN — least-privilege tenant-manager roles cannot run DDL anyway, and any boot-time runSchema-style hook is a CRITICAL deviation.

Read the full file on GitHub · 146 lines

Changes

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.

1mo ago First seen · 146 lines · 113 tokens per session scan A 1ccc17fc43ad

Subscribe to this mod's changes

ring:migrating-to-lib-systemplane is a skill published in the GitHub repository LerianStudio/ring (218 stars, last pushed yesterday), licensed Apache-2.0. It adds 113 tokens to every session and 2,475 once invoked, about $0.0005 per session on Opus 5.5. 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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