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 automateyournetwork/netclaw --skill catalyst-center-readonlygit clone --depth 1 https://github.com/automateyournetwork/netclawWrote 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/automateyournetwork/netclaw/catalyst-center-readonly)<a href="https://agentmods.dev/skills/automateyournetwork/netclaw/catalyst-center-readonly"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/catalyst-center-readonly/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/automateyournetwork/netclaw/catalyst-center-readonly"><img src="https://agentmods.dev/badge/skills/automateyournetwork/netclaw/catalyst-center-readonly.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00078 | $0.01311 |
| Opus 5 | $0.00039 | $0.00656 |
| Sonnet 5 | $0.00016 | $0.00262 |
| Haiku 4.5 | $0.00008 | $0.00131 |
Grade A, and why
catalyst-center-readonly 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 10d 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 — 103 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Catalyst Center (read-only)
Server
catc-mcp — a NetClaw client over Cisco's official tool catalogue
(cisco-en-programmability/catc-mcp-oss, Apache-2.0, release/2.3.7.11). Strictly read-only: all
514 GET operations, the one mutating operation excluded. Manifest 1,821 tokens, where inlining
every upstream tool would cost 64,420.
The 10 tools
Start with discovery — the catalogue is far too large to carry in the tool list:
| Tool | Use |
|---|---|
catc_find(query, group, limit) |
Search all 514 operations by keyword or URI. Start here |
catc_describe_operation(name) |
Full parameter schema for one operation |
Then dispatch — catc_<group>(operation, params):
catc_devices · catc_sites · catc_wireless · catc_health · catc_compliance ·
catc_software · catc_events · catc_other
Operation names are not guessable. They are generated from Cisco's API spec — the device list is
api_getSites-style naming, not getDeviceList. Always catc_find first. Guessing wastes a call and
gets a refusal that names near-matches.
⚠ Two rules
1. An empty inventory is not an empty network
Zero devices means this controller manages none. It does not mean the network is empty. The causes are different and matter:
| Cause | What it means |
|---|---|
| Discovery has not run | devices exist, Catalyst Center has not found them |
| RBAC scopes the account | the estate is larger than this account can see |
| The wrong appliance | you are asking a controller that manages nothing |
| A filter excluded everything | your parameters, not the network |
| Genuinely nothing onboarded | the only case that is about the estate |
This is not hypothetical. The two DevNet sandboxes share credentials and are not equivalent —
sandboxdnac.cisco.com has 4 devices and 25 sites; sandboxdnac2.cisco.com has 0 devices and
authenticates perfectly. An inventory answer from the second looks exactly like a real empty estate.
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.
- 10d ago First seen · 103 lines · 78 tokens per session scan A 7c1851c5bda0
catalyst-center-readonly is a skill published in the GitHub repository automateyournetwork/netclaw (652 stars, last pushed 3d ago), licensed Apache-2.0. It adds 78 tokens to every session and 1,311 once invoked, about $0.0004 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 2026-08-30.
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