Skip to main content
Glama

run_traceflow

Trace a packet's path through NSX overlay by injecting a synthetic probe. Returns hop-by-hop observations including DFW rule hits and drop reasons.

Instructions

[WRITE] Run a Traceflow to trace a packet's path through the NSX overlay.

Injects a synthetic probe packet from the source logical port and returns hop-by-hop observations including DFW rule hits and drop reasons.

Args: src_lport_id: Source logical port ID (attachment UUID of the VM NIC). src_ip: Source IP address for the probe packet. dst_ip: Destination IP address. protocol: IP protocol — TCP, UDP, or ICMP (default: TCP). dst_port: Destination port for TCP/UDP probes (default: 80). src_port: Source port for TCP/UDP probes (default: 1234). ttl: IP TTL value (default: 64). timeout_seconds: Maximum seconds to wait for completion (default: 20). target: Optional NSX Manager target name from config.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
src_lport_idYes
src_ipYes
dst_ipYes
protocolNoTCP
dst_portNo
src_portNo
ttlNo
timeout_secondsNo
targetNo
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations indicate readOnlyHint=false, destructiveHint=false, idempotentHint=false, openWorldHint=true. The description adds behavioral context by stating it is a write operation ('[WRITE]') and that it injects a synthetic probe. It does not contradict annotations and provides useful details about probe injection and result type.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with a one-line summary, an explanatory paragraph, and a clear parameter list. While slightly long due to 9 parameters, every sentence adds value. The structure is front-loaded with the core action, making it easy to parse.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the absence of an output schema, the description adequately explains return values ('hop-by-hop observations including DFW rule hits and drop reasons'). However, it does not detail the format or structure of the output. For a tool with moderate complexity, it is mostly complete but could mention that results can later be retrieved via get_traceflow_result.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, so the description provides essential parameter semantics in the Args section. Each parameter is explained (e.g., src_lport_id: Source logical port ID). This adds significant meaning beyond the schema types and defaults, compensating fully for the lack of schema descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Run a Traceflow to trace a packet's path through the NSX overlay.' It specifies that it injects a synthetic probe and returns hop-by-hop observations. This distinguishes it from siblings like get_traceflow_result, which retrieves previously run traceflow results.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage for tracing packet paths in NSX overlay, but does not explicitly state when to use this tool over alternatives or when not to use it. There is no mention of prerequisites or exclusions, leaving usage context inferred rather than explicit.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Install Server

Other Tools

Latest Blog Posts

MCP directory API

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/zw008/VMware-NSX-Security'

If you have feedback or need assistance with the MCP directory API, please join our Discord server