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 agentmods add skills/junmystery/agent-guidance-python/network-bgp-diagnosticsnpx skills add JunMystery/Agent-Guidance-Python --skill network-bgp-diagnosticsgit clone --depth 1 https://github.com/JunMystery/Agent-Guidance-PythonWrote 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/junmystery/agent-guidance-python/network-bgp-diagnostics)<a href="https://agentmods.dev/skills/junmystery/agent-guidance-python/network-bgp-diagnostics"><img src="https://agentmods.dev/badge/skills/junmystery/agent-guidance-python/network-bgp-diagnostics.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00031 | $0.01340 |
| Opus 5 | $0.00015 | $0.00670 |
| Sonnet 5 | $0.00006 | $0.00268 |
| Haiku 4.5 | $0.00003 | $0.00134 |
Grade A, and why
network-bgp-diagnostics 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 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.
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.
This is a copy
97% identical to network-bgp-diagnostics — 3 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 168 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Network BGP Diagnostics
Use this skill when a BGP session is down, flapping, established with missing routes, or advertising unexpected prefixes. The default workflow is read-only evidence collection; policy and reset actions belong in a reviewed change window.
When to Use
- BGP neighbors are stuck in Idle, Connect, Active, OpenSent, or OpenConfirm.
- A session is Established but expected prefixes are missing.
- A route-map, prefix-list, max-prefix limit, or AS path policy may be filtering routes.
- You need before/after evidence for a BGP change.
- You are reviewing automation that parses BGP summary output.
Read-Only Triage Flow
- Identify the exact neighbor, address family, VRF, and local/remote ASNs.
- Capture summary state and last reset reason.
- Prove reachability to the peer source address.
- Check route policy references before assuming transport failure.
- Compare advertised, received, and installed routes where the platform supports those commands.
show bgp summary
show bgp neighbors <peer>
show ip route <peer>
show tcp brief | include <peer>|:179
show logging | include BGP|<peer>
show running-config | section router bgp
show ip prefix-list
show route-map
Use platform-specific address-family commands when the device uses VRFs, IPv6, VPNv4, or EVPN. Do not assume global IPv4 unicast.
State Interpretation
| State | First checks |
|---|---|
| Established with prefix count | Route exchange is up; inspect policy and table selection |
| Established with zero prefixes | Check inbound policy, max-prefix, advertised routes, and AFI/SAFI |
| Active | TCP session is not completing; check routing, source, ACLs, and peer reachability |
| Connect | TCP connection is in progress; check path and remote listener |
| OpenSent/OpenConfirm | TCP works; check ASN, authentication, timers, capabilities, and logs |
| Idle | Neighbor may be disabled, missing config, blocked by policy, or backoff timer |
Transport Checks
ping <peer> source <local-source>
traceroute <peer> source <local-source>
show ip route <peer>
show bgp neighbors <peer> | include BGP state|Last reset|Local host|Foreign host
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.
- 2d ago First seen · 168 lines · 31 tokens per session scan A 6011f720b566
network-bgp-diagnostics is a skill published in the GitHub repository JunMystery/Agent-Guidance-Python (2 stars, last pushed 1mo ago), licensed MIT. It adds 31 tokens to every session and 1,340 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 97% identical to network-bgp-diagnostics, differing in 3 lines, and is treated as a copy.
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