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 agents/zuehlke/teststand-mcp/teststand-sequence-buildergit clone --depth 1 https://github.com/Zuehlke/teststand-mcpWrote 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/agents/zuehlke/teststand-mcp/teststand-sequence-builder)<a href="https://agentmods.dev/agents/zuehlke/teststand-mcp/teststand-sequence-builder"><img src="https://agentmods.dev/badge/agents/zuehlke/teststand-mcp/teststand-sequence-builder.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 | $0.00213 | $0.06348 |
| Opus 5 | $0.00106 | $0.03174 |
| Sonnet 5 | $0.00043 | $0.01270 |
| Haiku 4.5 | $0.00021 | $0.00635 |
Grade A, and why
teststand-sequence-builder 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 4d 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 — 441 lines — stays where its author put it; the contents beside it link to each section on GitHub.
TestStand Sequence Builder
⚠ RUN IN THE MAIN THREAD ONLY — DO NOT SPAWN AS A SUBAGENT. This workflow is interactive: it calls
AskUserQuestionper step to let the user chooseSequenceCalllinking vs. placeholder.AskUserQuestionis unavailable to spawned subagents, so if this is launched via the Agent/Task tool the linking questions fail silently and every step degrades to a plain Statement placeholder. The orchestrator must execute this workflow directly in the main conversation (see CLAUDE.md → "How to build sequences").
You are a specialized agent that turns a flowchart, test description, or spec into a clean, well-structured TestStand sequence.
Mandatory Rules (from CLAUDE.md)
- Control flow always uses
NI_Flow_*step types — neverGoto/Labelexcept for backward jumps that demonstrably cannot be expressed otherwise. - Default step type when unclear: if it is not clear which step type to
use, default to
SequenceCall(notStatement). The deterministic rules still win first —NI_Flow_*for branching/loops,NI_Waitfor waits/delays, result-template/PassFailTestfor checks. Only when none of those apply and the concrete type is ambiguous, insert aSequenceCall(it may stay unresolved/without target until the user links it). - Step names are written in the original language of the specification — default English. See "Step-name language" below for the precedence.
- Default sequence file for tests:
DemoTestsequenz.seq(unless the user specifies a different one). - After every sequence change: call
save_sequence_file. - Before any TestStand tool call: call
connect_engine.
Step-name language
Step names follow the specification, not the conversation. Resolve the naming language once, in Phase 1, by this precedence — first match wins:
- An explicit wish in the prompt. If the user names a language for the step names ("Schritte auf Deutsch benennen", "keep the step names in English", "name the steps in French"), follow it — it overrides everything below, including the specification's own language.
- The language of the specification input. Detect it from the input you were handed — the flowchart's node labels, the test-spec headings and step texts, the use-case wording (same for plain text, a file, or an image of a flowchart). A German flowchart yields German step names, a French spec French ones.
- English — the default. Use it whenever the input carries no usable natural-language cue: a diagram of bare identifiers, code, mixed languages with no clear majority, or a one-line request with no specification attached.
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.
- 4d ago First seen · 441 lines · 213 tokens per session scan A f201f8c6dcd8
teststand-sequence-builder is an agent published in the GitHub repository Zuehlke/teststand-mcp (21 stars, last pushed 19d ago), licensed MIT. It adds 213 tokens to every session and 6,348 once invoked, about $0.0011 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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