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 wallieinformal201/pentest-mcp-server --skill api-telemetrygit clone --depth 1 https://github.com/wallieinformal201/pentest-mcp-serverWrote 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/wallieinformal201/pentest-mcp-server/api-telemetry)<a href="https://agentmods.dev/skills/wallieinformal201/pentest-mcp-server/api-telemetry"><img src="https://agentmods.dev/badge/skills/wallieinformal201/pentest-mcp-server/api-telemetry/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/wallieinformal201/pentest-mcp-server/api-telemetry"><img src="https://agentmods.dev/badge/skills/wallieinformal201/pentest-mcp-server/api-telemetry.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 | $0.00085 | $0.04242 |
| Opus 5 | $0.00043 | $0.02121 |
| Sonnet 5 | $0.00017 | $0.00848 |
| Haiku 4.5 | $0.00009 | $0.00424 |
Grade A, and why
api-telemetry 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 — 223 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Overview
The framework auto-instruments every tool, resource, prompt, storage, LLM, speech, and graph call — each gets its own span and the standard counters/histograms. HTTP server requests pick up spans from HttpInstrumentation (all Node.js HTTP traffic, skips /healthz) plus httpInstrumentationMiddleware from @hono/otel on the MCP HTTP endpoint when installed (optional Tier 3 peer — bun add @hono/otel). On Bun, HttpInstrumentation silently no-ops and @hono/otel is the only HTTP coverage. Auth checks, session lifecycle, and task lifecycle are tracked as metrics only — auth decorates the active HTTP span with attributes, sessions and tasks emit counters.
requestId, traceId, and tenantId correlate automatically across spans, metrics, and logs. Pino logs get trace_id/span_id injected when a span is active.
For the helper API surface (withSpan, createCounter, createHistogram, buildTraceparent, etc.) — see the api-utils skill, Telemetry section. This skill is the catalog of what is emitted; that one is the reference for how to emit your own.
Enabling export
OTel is off by default. OTEL_ENABLED=true alone does nothing — you also need an OTLP endpoint. Without an endpoint the SDK is configured but nothing leaves the process.
| Env var | Default | Purpose |
|---|---|---|
OTEL_ENABLED |
false |
Master switch. Must be true to start the SDK. |
OTEL_EXPORTER_OTLP_TRACES_ENDPOINT |
— | OTLP/HTTP traces endpoint (e.g. http://localhost:4318/v1/traces). |
OTEL_EXPORTER_OTLP_METRICS_ENDPOINT |
— | OTLP/HTTP metrics endpoint (e.g. http://localhost:4318/v1/metrics). |
OTEL_SERVICE_NAME |
package.json name |
service.name resource attribute. |
OTEL_SERVICE_VERSION |
package.json version |
service.version resource attribute. |
OTEL_TRACES_SAMPLER_ARG |
1.0 |
Trace sampling ratio (0–1) for TraceIdRatioBasedSampler. |
OTEL_LOG_LEVEL |
INFO |
OTel diagnostic logger level (NONE/ERROR/WARN/INFO/DEBUG/VERBOSE/ALL). |
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 First seen · 223 lines · 85 tokens per session scan A 8e989cae2027
api-telemetry is a skill published in the GitHub repository wallieinformal201/pentest-mcp-server (2 stars, last pushed today), licensed Apache-2.0. It adds 85 tokens to every session and 4,242 once invoked, about $0.0004 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 2026-08-31.
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