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 ollygarden/opentelemetry-agent-skills --skill otel-collector-buildergit clone --depth 1 https://github.com/ollygarden/opentelemetry-agent-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/ollygarden/opentelemetry-agent-skills/otel-collector-builder)<a href="https://agentmods.dev/skills/ollygarden/opentelemetry-agent-skills/otel-collector-builder"><img src="https://agentmods.dev/badge/skills/ollygarden/opentelemetry-agent-skills/otel-collector-builder/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/ollygarden/opentelemetry-agent-skills/otel-collector-builder"><img src="https://agentmods.dev/badge/skills/ollygarden/opentelemetry-agent-skills/otel-collector-builder.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00104 | $0.01815 |
| Opus 5 | $0.00052 | $0.00907 |
| Sonnet 5 | $0.00021 | $0.00363 |
| Haiku 4.5 | $0.00010 | $0.00181 |
Grade A, and why
otel-collector-builder 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 — 112 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenTelemetry Collector Builder (OCB)
OCB generates and compiles a custom Collector binary from a YAML manifest that lists exactly the components to include. Source of truth: cmd/builder in opentelemetry-collector.
Use OCB when the stock otelcol/otelcol-contrib distributions don't fit: you need a component that ships in no distribution, a private/local component, or a slimmer binary with only the components you run.
This skill covers building the distribution. For configuring individual components, see otel-collector; for writing a new component, see the component-authoring guidance; for generating test traffic against the built binary, see otel-telemetrygen.
Workflow
- Install OCB at the version matching your target Collector version (see Install).
- Write the manifest —
dist:block plus component lists. Start from the minimal manifest; full key reference in references/manifest.md. - Align versions. All core components share one
v0.x.0version, contrib components use the samev0.x.0, and confmap providers use the paired stablev1.y.0. Getting this wrong is the #1 build failure — see Version alignment. - Build with
ocb --config=builder.yaml(binary is namedbuilderwhen installed viago install). CI, Docker, multi-arch, and local-component workflows are in references/workflows.md. - Verify: run
./dist/<name> validate --config=<collector-config>.yaml, then start it and send test data (otel-telemetrygenskill). If the build fails, see references/troubleshooting.md.
Install
Pick the OCB version equal to the Collector core version you're targeting.
# Release binary (named ocb): https://github.com/open-telemetry/opentelemetry-collector-releases/releases?q=cmd/builder
# Go install (binary is named `builder`, not `ocb`):
go install go.opentelemetry.io/collector/cmd/[email protected]
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 Changed 52698f7da3f9
- 12d ago First seen · 112 lines · 104 tokens per session scan A 1adca90e1419
otel-collector-builder is a skill published in the GitHub repository ollygarden/opentelemetry-agent-skills (98 stars, last pushed yesterday), licensed Apache-2.0. It adds 104 tokens to every session and 1,815 once invoked, about $0.0005 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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