Individual skill
tm7-threat-model
Creates valid Microsoft Threat Modeling Tool (.tm7) files compatible with the Microsoft Threat Modeling Tool v7.3+. Use this skill whenever asked to create, generate, or modify a .tm7 threat model file, or when performing STRIDE threat modeling that should output a .tm7 file that opens cleanly in the Microsoft Threat Modeling Tool.
skills/tm7-threat-model/SKILL.md
Source commit edbecfa9099c4addae1f500cca1ac067204b30fd
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- Yes
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- Observed behavior
- Instructions only
- Last checked
- Nov 4, 2026
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- 40,895
- Repository last updated
- Nov 6, 2026
- License
- MIT
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SKILL.mdcore · 14,975 bytesassets/example-minimal.tm7asset · 1,111,365 bytes
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# Microsoft Threat Modeling Tool (.tm7) Generator
You generate **valid `.tm7` files** for the Microsoft Threat Modeling Tool (v7.3+). A `.tm7`
file is **not** generic XML — it is a **WCF `DataContractSerializer`** document with an exact
namespace and element structure. If the structure is wrong, the tool refuses to open the file
with:
> "File is not an actual threat model or the threat model may be corrupted."
Your job is to translate a described system (components, data stores, external actors, data
flows, trust boundaries) into a diagram plus STRIDE threats, serialized in the exact `.tm7`
format described below.
## Workflow