Borrowing it
Nothing to install: this file belongs to georgeturneruk/tckit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/georgeturneruk/tckit/main/.claude/skills/tc-beckhoff-docs/SKILL.mdgit clone --depth 1 https://github.com/georgeturneruk/tckitWrote 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/georgeturneruk/tckit/tc-beckhoff-docs)<a href="https://agentmods.dev/skills/georgeturneruk/tckit/tc-beckhoff-docs"><img src="https://agentmods.dev/badge/skills/georgeturneruk/tckit/tc-beckhoff-docs/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/georgeturneruk/tckit/tc-beckhoff-docs"><img src="https://agentmods.dev/badge/skills/georgeturneruk/tckit/tc-beckhoff-docs.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 | $0.00158 | $0.00936 |
| Opus 5 | $0.00079 | $0.00468 |
| Sonnet 5 | $0.00032 | $0.00187 |
| Haiku 4.5 | $0.00016 | $0.00094 |
Grade A, and why
tc-beckhoff-docs 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 9d 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 — 34 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Researching Beckhoff infosys
Beckhoff FB conventions, timing notes, and hardware specs are not reliable in training data, especially for newer TF libraries and hardware. Always ground claims in infosys.
Procedure
- Known FB name →
FindFb. If the user (or your prior reasoning) has a specific FB name, callFindFb(fbName)first. The result includes inputs, outputs, timing notes, and a description. - Fuzzy query →
SearchDocs. When you don't know the exact name, callSearchDocs(query, section=""). Usesectionto scope to a known infosys area when you know one. - Hardware order number →
FindHardware. For a Beckhoff hardware product (e.g. EL3004, EK1100, EPP6228-0022, EJ1100, CU1128), callFindHardware(orderNumber). It returns the product description, the infosys URL, and the parsed "Technical data" table. The order number may carry a variant suffix (EPP6228-0022); it is normalised to the bare order. Covers EtherCAT Terminals (EL/EM/ELM/ED), couplers (EK), EtherCAT Box (EP/ER/EQ), EtherCAT P Box (EPP), plug-in modules (EJ), IO-Link boxes (EPI/ERI), and infrastructure/switches (CU). - Need full content →
GetDocPage. If aFindFb,SearchDocs, orFindHardwaresnippet is insufficient, callGetDocPage(url)for the full parsed page. Pages are cached locally — re-calls are cheap. - Always cite. When reporting findings, include the infosys URL so the user can verify. Do not paraphrase parameter or technical-data tables without referencing the source.
- Hand back. Once you have the inputs/outputs/timing/specs you need, return control to the calling skill (typically
tc-write-st) with a one-line summary plus the URL.
Notes
- Latency. The first lookup into an uncached infosys section crawls the menu tree (with a polite delay) and can take a few seconds; the result is cached, so repeat lookups are local and fast.
FindHardwareemptytechnical_data. For the pure catch-all sectionserxxxx(rugged) andeqxxxx(stainless steel), infosys has no per-order datasheet page, so the description and URL resolve buttechnical_datais[]. ER/EQ boxes are the EP equivalents in a different housing — if the user needs the table, look up the matchingEPorder number and flag that the housing/protection differs.
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.
- 9d ago First seen · 34 lines · 158 tokens per session scan A 97cee19d0d09
tc-beckhoff-docs is a skill published in the GitHub repository georgeturneruk/tckit (5 stars, last pushed 15d ago), licensed MIT. It adds 158 tokens to every session and 936 once invoked, about $0.0008 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 2026-08-31.
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