topolograph-igp-analysis

topolograph-igp-analysis is a skill for Claude Code from automateyournetwork/netclaw. It costs 100 tokens per session (1,307 once invoked), scanned A, original, Apache-2.0.

A read-only tool for analyzing an IGP, the routing system used inside a network, across a whole OSPF or IS-IS topology. It examines paths, areas, failures, traffic-engineering feasibility, and topology changes from a stored network graph.

In plain words
What is it for?
Use it to inspect shortest and backup paths, review link-state data, simulate link or node failures, assess MPLS traffic-engineering paths, and review topology-change history.
Why use it?
It shows what the network-wide routing system believes will happen, without changing devices or relying on just one router's view.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: built for openclaw.

Good fit Use it to inspect shortest and backup paths, review link-state data, simulate link or node failures, assess MPLS traffic-engineering paths, and review topology-change history.

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Install with agentmods
npx agentmods add skills/automateyournetwork/netclaw/topolograph-igp-analysis
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.

Any agent
npx skills add automateyournetwork/netclaw --skill topolograph-igp-analysis
Clone the repo
git clone --depth 1 https://github.com/automateyournetwork/netclaw

Made for: Claude Code.

Wrote 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.

agentmods badge for topolograph-igp-analysis

README.md
[![agentmods](https://agentmods.dev/badge/skills/automateyournetwork/netclaw/topolograph-igp-analysis/github.svg)](https://agentmods.dev/skills/automateyournetwork/netclaw/topolograph-igp-analysis)
Your own site
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/topolograph-igp-analysis"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/topolograph-igp-analysis/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for topolograph-igp-analysis

Your own site · 80×15
<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/topolograph-igp-analysis"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/topolograph-igp-analysis.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 100 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,307 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00100 $0.01307
Opus 5 $0.00050 $0.00654
Sonnet 5 $0.00020 $0.00261
Haiku 4.5 $0.00010 $0.00131

Measured 5d ago against content hash 66087c30fbac, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

topolograph-igp-analysis 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 5d 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.

workspace/skills/topolograph-igp-analysis/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Topolograph IGP Topology Analysis

Every device-facing routing skill NetClaw has — pyats-routing, pyats-junos-routing, multivendor-device-query — reads one live device's RIB and LSDB. This one reasons over the whole area's link-state database at once, from a graph Topolograph already built, and can simulate a change without touching anything.

It answers "what does the IGP think the topology is, and what would it do if X failed?" — not "what is on this router right now."

Remote, read-only

topolograph-mcp is a remote HTTP MCP registered in config/openclaw.json. There is no local server. It fronts your own Topolograph instance (TOPOLOGRAPH_MCP_URL, default https://topolograph.com/mcp), bearer TOPOLOGRAPH_API_TOKEN.

The server runs with TOPOLOGRAPH_MCP_READ_ONLY=true: mutation tools (upload_graph, add_lsp, update_lsp, delete_lsp) are absent from tools/list and cannot be called. Do not try to reach them — a topology change belongs in the device-write path, gated, not here.

Client-side allowlist

The tool filter is enforced with the DefenseClaw CLI, not a config block:

defenseclaw tool allow topolograph-mcp get_all_graphs
defenseclaw tool allow topolograph-mcp get_graph_by_time
defenseclaw tool allow topolograph-mcp get_network_by_graph_time
defenseclaw tool allow topolograph-mcp get_graph_status
defenseclaw tool allow topolograph-mcp get_network_events
defenseclaw tool allow topolograph-mcp get_adjacency_events
defenseclaw tool allow topolograph-mcp get_events_timeline
defenseclaw tool allow topolograph-mcp get_nodes
defenseclaw tool allow topolograph-mcp get_edges
defenseclaw tool allow topolograph-mcp get_lsps
defenseclaw tool allow topolograph-mcp get_shortest_path
defenseclaw tool allow topolograph-mcp get_cspf_path
defenseclaw tool allow topolograph-mcp get_edge_failure_reaction
defenseclaw tool block topolograph-mcp upload_graph
defenseclaw tool block topolograph-mcp add_lsp
defenseclaw tool block topolograph-mcp update_lsp
defenseclaw tool block topolograph-mcp delete_lsp

Read the full file on GitHub · 97 lines

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. 5d ago First seen · 97 lines · 100 tokens per session scan A 66087c30fbac

Subscribe to this mod's changes

topolograph-igp-analysis is a skill published in the GitHub repository automateyournetwork/netclaw (657 stars, last pushed 6d ago), licensed Apache-2.0. It adds 100 tokens to every session and 1,307 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-07.

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