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CML Packet Capture · automateyournetwork | DecimalAI

devopsby automateyournetwork

CML Packet Capture

automateyournetwork/cml-packet-capture

Source automateyournetwork/netclaw ↗License Apache-2.0

CML packet capture — start, stop, download pcaps from CML lab links, integrate with Packet Buddy for analysis.

SkillScore32Maintained

Automatic

DevOps & SRE pack

Last verified 8/16/2026

What it changes

Passed 6 of 20 test cases with the skill, and 3 of 20 without it.

Without skill14%

With skill32%

Checks it passed that the model alone missed

Sets max_packets to 10000
Sets pcap_filter to vlan 100
Applies max_packets in the start_capture call

and 7 more in the full report

5 fixed2 passed either way14 still failing1 broke

Pass-rate lift: +18 pp
Tokens: +53%
Agent turns: 0%
Response time: -45%

Model gemini-3.6-flashMeasured 8/16/2026v17 of 22 cases passed with skill · 20 comparable

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/automateyournetwork-cml-packet-capture/SKILL.md https://app.decimal.ai/s/automateyournetwork-cml-packet-capture/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add automateyournetwork-cml-packet-capture, 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/automateyournetwork-cml-packet-capture/ and pins it in .decimal/skills.lock

decimalai skills add automateyournetwork-cml-packet-capture

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

curl -fsSL --create-dirs -o .claude/skills/automateyournetwork-cml-packet-capture/SKILL.md https://app.decimal.ai/s/automateyournetwork-cml-packet-capture/SKILL.md

Raw file: /s/automateyournetwork-cml-packet-capture/SKILL.md ↗ · machine-readable summary at /s/automateyournetwork-cml-packet-capture.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 5

Prompt

When starting a packet capture on a high-throughput link in CML to prevent storage exhaustion or runaway file sizes, what parameter value is recommended for limiting total captured frames?

What was checked, without and with the skill
Checked	Without skill	With skill
Sets max_packets to 10000	Missed	Passed
Applies max_packets in the start_capture call	Missed	Passed

case-11 · gemini-3.6-flash · 8/16/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md133 linessingle file

CML Packet Capture

MCP Server

Command: cml-mcp (pip-installed, stdio transport)
Requires: CML_URL, CML_USERNAME, CML_PASSWORD environment variables

Available Tools

Packet Capture Operations

Tool	Parameters	What It Does
`start_capture`	`lab_id`/`lab_title`, `link_id`, `max_packets?`, `pcap_filter?`	Start capturing packets on a link
`stop_capture`	`lab_id`/`lab_title`, `link_id`	Stop an active capture
`get_capture_status`	`lab_id`/`lab_title`, `link_id`	Check capture status (running, packet count)
`download_capture`	`lab_id`/`lab_title`, `link_id`, `file_path?`	Download the captured pcap file
`list_captures`	`lab_id`/`lab_title`	List all active and completed captures in a lab

Workflow: Capture and Analyze (Full Pipeline)

When a user says "capture traffic between R1 and R2 and analyze it":

Find the link: Use get_links (from cml-topology-builder) to find the link ID between R1 and R2
Start capture: start_capture with optional filter (e.g., "icmp", "tcp port 179")
Generate traffic: Tell the user to generate traffic (or use execute_command to ping)
Stop capture: stop_capture after sufficient traffic is collected
Download pcap: download_capture to save the pcap file locally
Analyze with Packet Buddy: Hand off to the packet-analysis skill:
- pcap_summary — overview
- pcap_protocol_hierarchy — protocol breakdown
- pcap_conversations — who talked to whom
- pcap_expert_info — errors, retransmissions
- pcap_filter — drill into specific traffic
Report findings: Summarize the analysis in plain English

Workflow: Targeted Protocol Capture

When troubleshooting a specific protocol:

Track record

Benchmark

6 / 20

test cases passed, vs 3 / 20 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

automateyournetwork / netclaw

workspace/skills/cml-packet-capture/SKILL.md

View on GitHub ↗

License Apache-2.0Imported 8/3/2026Version v1

Other skills for the same job

Published skills whose descriptions closely match this one, with their headline benchmark lift.

automateyournetwork/gns3-packet-captureCapture network traffic on GNS3 links - start/stop captures, retrieve PCAP dataClose match+45 pp pass-rate lift

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

CML Packet Capture

MCP Server

Available Tools

Packet Capture Operations

Workflow: Capture and Analyze (Full Pipeline)

Workflow: Targeted Protocol Capture

Track record

Benchmark

Adoption

SkillSafety

Source

Other skills for the same job

Related skills