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 skills add MattArtzAnthro/gephi-ai --skill centrality-analysisgit clone --depth 1 https://github.com/MattArtzAnthro/gephi-aiWrote 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/mattartzanthro/gephi-ai/centrality-analysis)<a href="https://agentmods.dev/skills/mattartzanthro/gephi-ai/centrality-analysis"><img src="https://agentmods.dev/badge/skills/mattartzanthro/gephi-ai/centrality-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.
<a href="https://agentmods.dev/skills/mattartzanthro/gephi-ai/centrality-analysis"><img src="https://agentmods.dev/badge/skills/mattartzanthro/gephi-ai/centrality-analysis.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00053 | $0.01226 |
| Opus 5.5 | $0.00021 | $0.00490 |
| Sonnet 5.5 | $0.00011 | $0.00245 |
| Haiku 4.5 | $0.00005 | $0.00123 |
Grade A, and why
centrality-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 28d 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.
How it starts
The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Centrality Analysis Workflow
Run comprehensive centrality analysis to identify the most important and influential nodes in the graph.
Follow the gephi skill's rules throughout; this workflow repeats only the ones
it is most likely to break. Read ../gephi/references/statistics-guide.md before
interpreting scores, and ../gephi/references/layout-guide.md
before the layout step.
Tell the user what you are doing at each step. Narrate briefly before each tool call.
Rules this workflow must keep
- Session start. Start with
gephi_health_check. Then check which workspace is open (gephi_list_workspaces) and whether a filter is active (filter_activein replies): a filter from an earlier conversation stays on, and exports and checks then see only what it shows. - Ranking. To rank nodes on a metric, call
gephi_query_nodeswithsort_byset to the metric,columnsset to the few columns you need, andlimitabout 10: nodes are ordered before paging, so the first page is the top of the whole graph. Withoutcolumns, every attribute of every node comes back and a long listing can overflow. - No scale-free label. Never call a heavy-tailed degree distribution "scale-free" or a "power law": those fits are near-indistinguishable from log-normal in practice and smuggle in a universal-law claim (Jacomy 2020; Broido and Clauset 2019). Describe hub dominance as a property of this network.
- Eigenvector caveat. Gephi's eigenvector centrality can rank nodes differently from a standard calculation. Never rank on it alone: compare it with PageRank, and report a node as an authority only when the two agree.
Steps
-
Session start: Call
gephi_health_check. If it fails, tell the user to start Gephi and stop. Callgephi_list_workspacesandgephi_get_project_infofor node and edge counts and graph type. Iffilter_activeis true, say that the scores will describe only the visible nodes. -
Compute all centrality metrics:
- Call
gephi_compute_degreefor degree (number of ties) - Call
gephi_compute_betweennessfor betweenness centrality (how often a node sits on the shortest path between others), closeness, and eccentricity - Call
gephi_compute_pagerankfor PageRank (importance passed on by important neighbours) - Call
gephi_compute_eigenvectorfor eigenvector centrality (ties to well-tied nodes)
- Call
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.
- 28d ago Changed · +11 lines 5453ad885c7a
- 1mo ago First seen · 45 lines · 53 tokens per session scan A 86f38fbcbad5
centrality-analysis is a skill published in the GitHub repository MattArtzAnthro/gephi-ai (25 stars, last pushed 12d ago), licensed Apache-2.0. It adds 53 tokens to every session and 1,226 once invoked, about $0.0002 per session on Opus 5.5. 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 2026-08-30.
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