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 automateyournetwork/netclaw --skill gns3-packet-capturegit clone --depth 1 https://github.com/automateyournetwork/netclawWrote 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/automateyournetwork/netclaw/gns3-packet-capture)<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/gns3-packet-capture"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gns3-packet-capture/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/automateyournetwork/netclaw/gns3-packet-capture"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/gns3-packet-capture.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 | $0.00026 | $0.00831 |
| Opus 5 | $0.00013 | $0.00415 |
| Sonnet 5 | $0.00005 | $0.00166 |
| Haiku 4.5 | $0.00003 | $0.00083 |
Grade A, and why
gns3-packet-capture 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 9d 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 — 108 lines — stays where its author put it; the contents beside it link to each section on GitHub.
GNS3 Packet Capture
Start and stop packet captures on links in GNS3 projects. Capture network traffic for analysis and troubleshooting.
When to Use
- Troubleshooting network connectivity issues in a lab
- Capturing traffic for analysis with Wireshark
- Verifying routing protocol exchanges (OSPF, BGP, etc.)
- Debugging application traffic
- Learning about network protocols
- Validating QoS or security policies
MCP Server
- Command:
python3 -u mcp-servers/gns3-mcp-server/gns3_mcp_server.py(stdio transport) - Requires:
GNS3_URL,GNS3_USER,GNS3_PASSWORDenvironment variables
Available Tools
| Tool | Parameters | What It Does |
|---|---|---|
gns3_start_capture |
project_id, link_id, capture_file_name? | Start packet capture on a link |
gns3_stop_capture |
project_id, link_id | Stop packet capture and finalize PCAP file |
gns3_get_capture |
project_id, link_id | Get capture file path and stream URL |
Workflow Examples
Capture Traffic for Analysis
# First, identify the link to capture
"List all links in routing-test"
# Start capture on the link between router1 and router2
"Start capturing traffic on link abc123 in routing-test"
# Generate some traffic (ping, routing updates, etc.)
# ...
# Stop capture when done
"Stop the capture on link abc123 in routing-test"
# Get the PCAP file location
"Get capture info for link abc123 in routing-test"
Custom Capture Filename
# Start capture with custom filename
"Start capturing on link abc123 in routing-test as ospf_adjacency.pcap"
Live Streaming
# Get stream URL for live capture viewing
"Get capture info for link abc123 in routing-test"
# Returns stream_url for live PCAP streaming
Integration with Other Skills
- gns3-link-management: List links to find the one to capture
- gns3-node-operations: Ensure nodes are running before capturing
- packet-analysis: Hand off PCAP data for deep inspection
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.
- 9d ago First seen · 108 lines · 26 tokens per session scan A e6b892455510
gns3-packet-capture is a skill published in the GitHub repository automateyournetwork/netclaw (657 stars, last pushed 6d ago), licensed Apache-2.0. It adds 26 tokens to every session and 831 once invoked, about $0.0001 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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