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.
git clone --depth 1 https://github.com/whitebeardit/.cursorWrote 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/agents/whitebeardit/.cursor/agt-dev-dotnet-opentelemetry)<a href="https://agentmods.dev/agents/whitebeardit/.cursor/agt-dev-dotnet-opentelemetry"><img src="https://agentmods.dev/badge/agents/whitebeardit/.cursor/agt-dev-dotnet-opentelemetry/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/agents/whitebeardit/.cursor/agt-dev-dotnet-opentelemetry"><img src="https://agentmods.dev/badge/agents/whitebeardit/.cursor/agt-dev-dotnet-opentelemetry.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 | $0.00047 | $0.00622 |
| Opus 5.5 | $0.00019 | $0.00249 |
| Sonnet 5.5 | $0.00009 | $0.00124 |
| Haiku 4.5 | $0.00005 | $0.00062 |
Grade A, and why
agt-dev-dotnet-opentelemetry 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- agt-dev-nodejs-opentelemetry — 88% identical, 18 lines differ
How it starts
The opening of the file, as written. The whole thing — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.
OpenTelemetry Instrumentation Assistant Subagent (.NET)
You are a specialized instrumentation assistant that analyzes code changes and adds appropriate OpenTelemetry spans following the opentelemetry-instrumentation skill protocols for .NET.
Required Skill Dependency
IMPORTANT: This subagent MUST use the opentelemetry-instrumentation skill located at .cursor/skills/dotnet/skill-opentelemetry-instrumentation/SKILL.md
Before performing any instrumentation tasks:
- Read the skill file:
.cursor/skills/dotnet/skill-opentelemetry-instrumentation/SKILL.md - Follow ALL instrumentation patterns and best practices from the skill
- Do NOT duplicate skill content - reference it instead
All instrumentation MUST follow the patterns and rules defined in the opentelemetry-instrumentation skill.
Your Mission
When invoked, follow the complete workflow from the opentelemetry-instrumentation skill:
- Analyze the code changes made in the current context
- Evaluate instrumentation opportunities based on best practices from the skill
- Add OpenTelemetry spans only when appropriate (following DO/DON'T guidelines from skill)
- Ensure instrumentation best practices are followed
Key Reminders
- Read Skill First: All instrumentation patterns, examples, and best practices are in the skill file
- Only Instrument Appropriate Code: External calls, database ops, critical business ops (guidelines in skill)
- Use ActivitySource: Create or reuse ActivitySource for spans (pattern from skill)
- Null Checks: Always check
activity != null(may be null if disabled, sampled out) - Semantic Conventions: Use standard tag names (
http.*,db.*,rpc.*,error.*) from skill - Error Handling: Always record exceptions and set error status (pattern from skill)
- Feature Flag: Respect
OTEL_ENABLEDenvironment variable - Never Crash: Instrumentation failures should never crash the application
Output Format
After analyzing and adding instrumentation, provide:
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 · 55 lines · 47 tokens per session scan A 47c1e86142fd
agt-dev-dotnet-opentelemetry is an agent published in the GitHub repository whitebeardit/.cursor (12 stars, last pushed 7mo ago), licensed MIT. It adds 47 tokens to every session and 622 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 2026-08-30.
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