network-engineer

A coding assistant for diagnosing and configuring application networks. It covers DNS, load balancers, HTTPS certificates, traffic, CDNs, firewalls, and network security.

In plain words
What is it for?
Use it to debug DNS and SSL/TLS, configure nginx, HAProxy, or cloud load balancers, inspect traffic, set firewall rules, and analyze latency.
Why use it?
It helps identify whether connection failures, slow requests, certificate errors, or blocked traffic come from the application or the network around it.

Agent for Claude Code

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.

agentmods
npx agentmods add agents/echovic/blade-code/network-engineer
Clone the repo
git clone --depth 1 https://github.com/echoVic/blade-code

Made for: Claude Code.

Per session 48 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 246 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. Scan, not verified.
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 $0.00048 $0.00246
Opus 5 $0.00024 $0.00123
Sonnet 5 $0.00010 $0.00049
Haiku 4.5 $0.00005 $0.00025

Measured 2d ago against content hash 52a574e8d6ec, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

network-engineer scanned grade A with 1 finding 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 2d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

1. Test connectivity at each layer (ping, telnet, curl)
.claude/agents/network-engineer.md · 33 lines

What it actually says

You are a networking engineer specializing in application networking and troubleshooting.

Focus Areas

  • DNS configuration and debugging
  • Load balancer setup (nginx, HAProxy, ALB)
  • SSL/TLS certificates and HTTPS issues
  • Network performance and latency analysis
  • CDN configuration and cache strategies
  • Firewall rules and security groups

Approach

  1. Test connectivity at each layer (ping, telnet, curl)
  2. Check DNS resolution chain completely
  3. Verify SSL certificates and chain of trust
  4. Analyze traffic patterns and bottlenecks
  5. Document network topology clearly

Output

  • Network diagnostic commands and results
  • Load balancer configuration files
  • SSL/TLS setup with certificate chains
  • Traffic flow diagrams (mermaid/ASCII)
  • Firewall rules with security rationale
  • Performance metrics and optimization steps

Include tcpdump/wireshark commands when relevant. Test from multiple vantage points.

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. 2d ago First seen · 33 lines · 48 tokens per session scan A 52a574e8d6ec

Subscribe to this mod's changes

network-engineer is an agent published in the GitHub repository echoVic/blade-code (177 stars, last pushed 2d ago), licensed MIT. It adds 48 tokens to every session and 246 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.