gtrace-path-analysis

gtrace-path-analysis is a skill for Claude Code from automateyournetwork/netclaw. It costs 80 tokens per session (1,094 once invoked), scanned A, original, Apache-2.0.

A network-path investigation tool that traces traffic between endpoints and monitors it over time. It can show routers, latency, packet loss, and routing details, including MPLS, ECMP, and NAT when detected.

In plain words
What is it for?
Running traceroutes, monitoring paths with MTR, comparing routes from worldwide probes, checking transit providers, and investigating asymmetric routes or blackholes.
Why use it?
It helps reveal where delay, packet loss, unusual routing, or a broken path occurs, including problems that appear only intermittently.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: built for openclaw.

Good fit Running traceroutes, monitoring paths with MTR, comparing routes from worldwide probes, checking transit providers, and investigating asymmetric routes or blackholes.

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Install with agentmods
npx agentmods add skills/automateyournetwork/netclaw/gtrace-path-analysis
Install

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.

Any agent
npx skills add automateyournetwork/netclaw --skill gtrace-path-analysis
Clone the repo
git clone --depth 1 https://github.com/automateyournetwork/netclaw

Made for: Claude Code.

Wrote 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.

agentmods badge for gtrace-path-analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gtrace-path-analysis/github.svg)](https://agentmods.dev/skills/automateyournetwork/netclaw/gtrace-path-analysis)
Your own site
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/gtrace-path-analysis"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gtrace-path-analysis/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.

agentmods 80×15 button for gtrace-path-analysis

Your own site · 80×15
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/gtrace-path-analysis"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gtrace-path-analysis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,094 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00080 $0.01094
Opus 5 $0.00040 $0.00547
Sonnet 5 $0.00016 $0.00219
Haiku 4.5 $0.00008 $0.00109

Measured 8d ago against content hash 0cadc138b3b0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

gtrace-path-analysis 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.

workspace/skills/gtrace-path-analysis/SKILL.md · 117 lines

How it starts

The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Network Path Analysis with gtrace

How to Call the gtrace MCP Tools

python3 $MCP_CALL "gtrace mcp" TOOL_NAME '{"param":"value"}'

When to Use

  • Trace the path between two endpoints and identify each hop (router, latency, loss)
  • Detect MPLS labels, ECMP load balancing, and NAT translation points along the path
  • Monitor a path continuously with MTR to identify intermittent packet loss or latency spikes
  • Run distributed traceroutes from 500+ GlobalPing probe locations worldwide to compare paths from different vantage points
  • Verify transit providers, peering, and routing policy by inspecting AS-level path data
  • Troubleshoot asymmetric routing, suboptimal paths, or blackholes

Available Tools

Tool Purpose Requirements
traceroute Advanced traceroute with MPLS, ECMP, and NAT detection cap_net_raw
mtr Continuous MTR monitoring with packet loss and jitter stats cap_net_raw
globalping Distributed traceroute/ping from 500+ worldwide probe locations Internet access (optional GLOBALPING_API_KEY)

Workflow: Path Troubleshooting

When asked "why is traffic slow to X?" or "trace the path to X":

Step 1: Traceroute

Run an advanced traceroute to see every hop, latency, and any MPLS/ECMP/NAT indicators.

python3 $MCP_CALL "gtrace mcp" traceroute '{"target":"8.8.8.8"}'

For IPv6:

python3 $MCP_CALL "gtrace mcp" traceroute '{"target":"2001:4860:4860::8888"}'

Step 2: Continuous Monitoring with MTR

If the traceroute shows packet loss or high latency at a specific hop, run MTR to monitor continuously and confirm the problem is persistent.

python3 $MCP_CALL "gtrace mcp" mtr '{"target":"8.8.8.8","count":100}'

Step 3: Global Perspective

Compare paths from multiple worldwide locations to determine if the issue is local or global.

python3 $MCP_CALL "gtrace mcp" globalping '{"target":"8.8.8.8","from":"US,EU,Asia"}'

Workflow: MPLS Path Verification

Read the full file on GitHub · 117 lines

Changes

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.

  1. 8d ago First seen · 117 lines · 80 tokens per session scan A 0cadc138b3b0

Subscribe to this mod's changes

gtrace-path-analysis is a skill published in the GitHub repository automateyournetwork/netclaw (655 stars, last pushed 5d ago), licensed Apache-2.0. It adds 80 tokens to every session and 1,094 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 2026-09-03.

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