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Capture network traffic on GNS3 links - start/stop captures, retrieve PCAP data
Passed 16 of 19 test cases with the skill, and 8 of 19 without it.
and 9 more in the full report
10 fixed9 passed either way3 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 10 test cases the skill fixed. Same model, same prompt, with and without the skill.
I want to start a packet trace on link ID '11112222-3333-4444-5555-666677778888' in project 'tenant-a' without specifying any custom filename. What tool call should be made?
| Checked | Without skill | With skill |
|---|---|---|
| Invokes the gns3_start_capture tool. | Missed | Passed |
| Omits the optional capture_file_name parameter or sets it to null. | Passed | Passed |
The instructions your model reads when the skill loads.
Start and stop packet captures on links in GNS3 projects. Capture network traffic for analysis and troubleshooting.
python3 -u mcp-servers/gns3-mcp-server/gns3_mcp_server.py (stdio transport)GNS3_URL, GNS3_USER, GNS3_PASSWORD environment variables| 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 |
# 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.)
# ...
test cases passed, vs 8 / 19 without
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