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 Bilal140202/the-lord-of-the-skills --skill metrics-launchdarkly-metric-instrumentgit clone --depth 1 https://github.com/Bilal140202/the-lord-of-the-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/bilal140202/the-lord-of-the-skills/metrics-launchdarkly-metric-instrument)<a href="https://agentmods.dev/skills/bilal140202/the-lord-of-the-skills/metrics-launchdarkly-metric-instrument"><img src="https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/metrics-launchdarkly-metric-instrument/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/bilal140202/the-lord-of-the-skills/metrics-launchdarkly-metric-instrument"><img src="https://agentmods.dev/badge/skills/bilal140202/the-lord-of-the-skills/metrics-launchdarkly-metric-instrument.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 | $0.00062 | $0.01912 |
| Opus 5.5 | $0.00025 | $0.00765 |
| Sonnet 5.5 | $0.00012 | $0.00382 |
| Haiku 4.5 | $0.00006 | $0.00191 |
Grade A, and why
launchdarkly-metric-instrument 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.
How it starts
The opening of the file, as written. The whole thing — 153 lines — stays where its author put it; the contents beside it link to each section on GitHub.
LaunchDarkly Metric Instrument
You're using a skill that will guide you through adding a track() call to a codebase so a LaunchDarkly metric can measure it. Your job is to detect the SDK in use, find the right place in code to add the call, write it correctly, and verify that events are reaching LaunchDarkly.
Prerequisites
This skill requires the remotely hosted LaunchDarkly MCP server to be configured in your environment.
Required MCP tools:
list-metric-events— verify events are flowing after instrumentation
Optional MCP tools (enhance workflow):
get-project— retrieve the SDK key for the right environment when SDK initialization is needed
Workflow
Step 1: Detect the SDK
Before writing any code, understand the LaunchDarkly setup already in this codebase.
-
Search for existing
track()calls. This is the fastest signal:- Look for
ldClient.track(,.track(,ld.track( - If any exist, they tell you the SDK type, call signature, and context pattern in one shot — mirror those exactly.
- Look for
-
Search for SDK imports and initialization if no
track()calls exist:- Check
package.json,requirements.txt,go.mod,Gemfile,*.csprojfor an LD SDK dependency - Look for
LDClient,ldclient,launchdarkly-server-sdk,launchdarkly-node-server-sdk,launchdarkly-react-client-sdk, etc. - Find the initialization block to understand how the client is accessed across the codebase
- Check
-
Determine client-side or server-side. This is the most critical distinction — it determines the
track()signature:SDK type track()signatureNotes Server-side (Node, Python, Go, Java, Ruby, .NET) ldClient.track(eventKey, context, data?, metricValue?)Context required per call Client-side (React, browser JS) ldClient.track(eventKey, data?, metricValue?)Context set at init, not per call See SDK Track Patterns for full examples by language.
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 · 153 lines · 62 tokens per session scan A 440cbb0895e2
launchdarkly-metric-instrument is a skill published in the GitHub repository Bilal140202/the-lord-of-the-skills (6 stars, last pushed 1mo ago), licensed MIT. It adds 62 tokens to every session and 1,912 once invoked, about $0.0002 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 2026-09-06.
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