Ready to supercharge your AI agents?

Install any skill in seconds. Free to start, no credit card required.

Get Started Free →

Configuring OpenTelemetry in .NET · dotnet | DecimalAI

devopsby dotnet

Configuring OpenTelemetry in .NET

dotnet/configuring-opentelemetry-dotnet

Source dotnet/skills ↗License MIT

Configure OpenTelemetry distributed tracing, metrics, and logging in ASP.NET Core using the .NET OpenTelemetry SDK.

SkillScore91Maintained

Automatic

DevOps & SRE pack

Last verified 8/9/2026

What it changes

Passed 20 of 22 test cases with the skill, and 18 of 22 without it.

Without skill82%

With skill91%

Checks it passed that the model alone missed

The custom metrics class creates meters using IMeterFactory.Create().
The pipeline configuration invokes WithLogging() within AddOpenTelemetry().
The custom metrics class receives IMeterFactory injected via dependency injection.

and 2 more in the full report

2 fixed18 passed either way2 still failing0 broke

Pass-rate lift: +9 pp
Tokens: +92%
Agent turns: 0%
Response time: -22%

Model gemini-3.6-flashMeasured 8/9/2026v120 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/dotnet-configuring-opentelemetry-dotnet/SKILL.md https://app.decimal.ai/s/dotnet-configuring-opentelemetry-dotnet/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add dotnet-configuring-opentelemetry-dotnet, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/dotnet-configuring-opentelemetry-dotnet/ and pins it in .decimal/skills.lock

decimalai skills add dotnet-configuring-opentelemetry-dotnet

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/dotnet-configuring-opentelemetry-dotnet/SKILL.md https://app.decimal.ai/s/dotnet-configuring-opentelemetry-dotnet/SKILL.md

Raw file: /s/dotnet-configuring-opentelemetry-dotnet/SKILL.md ↗ · machine-readable summary at /s/dotnet-configuring-opentelemetry-dotnet.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 2 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 2

Prompt

I need to set up OpenTelemetry in my ASP.NET Core web application to collect distributed traces, metrics, and application logs, then export everything to an OTLP collector. Could you provide the CLI commands to install the required dependencies and show how to configure the full telemetry pipeline in Program.cs, including filtering out health check endpoints from tracing?

What was checked, without and with the skill
Checked	Without skill	With skill
The Program.cs configuration uses UseOtlpExporter() once at the top level of AddOpenTelemetry().	Missed	Passed
The pipeline configuration invokes WithLogging() within AddOpenTelemetry().	Missed	Passed
The ASP.NET Core tracing options filter out request paths starting with /healthz.	Passed	Passed

case-01 · gemini-3.6-flash · 8/9/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md283 linessingle file

Configuring OpenTelemetry in .NET

When to Use

Adding distributed tracing to an ASP.NET Core application
Setting up OpenTelemetry exporters (OTLP is the primary protocol; Jaeger accepts OTLP natively; Prometheus OTLP ingestion requires explicit opt-in)
Creating custom metrics or trace spans for business operations
Troubleshooting distributed trace context propagation across services

When Not to Use

The user wants application-level logging only (use ILogger, Serilog)
The user is using Application Insights SDK directly (different API)
The user needs APM with a commercial vendor's proprietary SDK

Inputs

Input	Required	Description
ASP.NET Core project	Yes	The application to instrument
Observability backend	No	Where to export: OTLP collector, Aspire dashboard, Jaeger (accepts OTLP natively)

Workflow

Step 1: Install the correct packages

There are many OpenTelemetry NuGet packages. Install exactly these:

# Core SDK + ASP.NET Core instrumentation + logging integration
dotnet add package OpenTelemetry.Extensions.Hosting
dotnet add package OpenTelemetry.Instrumentation.AspNetCore
dotnet add package OpenTelemetry.Instrumentation.Http

# Exporter
dotnet add package OpenTelemetry.Exporter.OpenTelemetryProtocol  # OTLP exporter for traces, metrics, AND logs

# Optional — dev/local debugging only (do NOT include in production deployments)
# dotnet add package OpenTelemetry.Exporter.Console

Track record

Benchmark

20 / 22

test cases passed, vs 18 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

dotnet / skills

plugins/dotnet-aspnetcore/skills/configuring-opentelemetry-dotnet/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

More skills from the same source and nearby in the registry, with their headline benchmark lift.

Ready to supercharge your AI agents?

See it in action

What's inside

Configuring OpenTelemetry in .NET

When to Use

When Not to Use

Inputs

Workflow

Step 1: Install the correct packages

Track record

Benchmark

Adoption

SkillSafety

Source

Related skills