Model-Based Systems Engineering capabilities for System Composer architecture models
2 skills
SysML v2 agent: KerML/SysML v2 metamodel and model library lookup, Systems Modeling API lookup, normative spec citation, and textual-notation validation.
Plugin hypha from marketplace mycelium in mycelium-cmbse/mycelium-hypha. Commands read from the repo's manifest — yesterday.
This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.
api-lookupLook up the OMG Systems Modeling API & Services (the SysML v2 API, not the language metamodel) – a PIM type's attributes, multiplicities, derivation, subsetting and redefinition (Project, Commit, Branch, Tag, DataVersion, DataIdentity, Query, PrimitiveConstraint, ...), a PIM service operation, the R
metamodel-lookupLook up the structure of the OMG SysML v2 / KerML metamodel (not OMG UML 2.x) – a metaclass's features, supertypes, subtypes, redefinitions, multiplicities and constraints, plus enumerations and primitive types. Use when the user asks how a SysML v2 or KerML element (e.g. PartUsage, ConnectionDefini
model-library-lookupLook up what a SysML v2 / KerML standard model library element means or where it is declared (e.g. ISQBase::mass, ScalarValues::Real, SysML.sysml's Parts::Part) – the normative library packages a user's own model specializes with `:>`, not the metamodel itself. Use when the user references a qualifi
spec-citationQuote the normative OMG SysML v2 / KerML specification text, or the Systems Modeling API & Services specification text, with an exact clause reference. Covers the SysML v2, KerML and Systems Modeling API specifications, not the OMG UML specification. Use when the user wants the authoritative wording
sysml-validationValidate SysML v2 / KerML textual notation (.sysml / .kerml, not UML) for syntactic and structural correctness against the grammar and metamodel, and explain any violations with fixes. Use when the user provides SysML v2 or KerML textual notation to check, or asks whether a snippet is valid.
version-managementManage which OMG SysML v2 / KerML release(s) hypha has fetched and generated locally – list what's installed vs. available upstream, fetch a release, switch the default, or remove one that's no longer wanted. Use when the user asks what versions are available, wants to fetch/update/switch/remove a r
/hypha:overviewOverview of Hypha – its SysML v2 / KerML skills, how to use them, and example prompts
metamodel-navigatorSweeps the generated OMG SysML v2 / KerML metamodel knowledge base (not OMG UML) to answer cross-cutting questions that touch many element files – e.g. 'which metaclasses have a feature typed by Expression', comparing several metaclasses, or tracing a redefinition across the hierarchy. Use for multi
spec-citationFinds and quotes the exact normative text of the OMG SysML v2, KerML and Systems Modeling API & Services specifications (not OMG UML), with clause/section references. Use when an answer must be backed by the wording of one of those specifications rather than paraphrase.
sysml-validatorValidates SysML v2 / KerML textual notation (.sysml / .kerml, not UML) against the grammar and metamodel constraints, and explains violations. Use when given SysML v2 or KerML textual notation that needs to be checked for syntactic and structural correctness.
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Model-Based Systems Engineering capabilities for System Composer architecture models
2 skills
Repo-local Codex plugin for live, token-safe Cameo MCP Bridge workflows
1 skill · 1 MCP server
Two partner skills for agent-fleet repos — self-governance (harden: audit for missing guardrails, or convert a recurring failure into a durable control) and self-operations (operate: run the substrate, route breaks to their fix). Grounded in the agent-governance-mechanisms catalogue.
3 skills
A unified plugin supporting AI-driven Specification-Driven Development (AI-SDD) workflow. Prevents Vibe Coding problems and achieves high-quality implementations using specifications as the source of truth. Supports multiple languages via SDD_LANG configuration.
Read and write live SysML v2 models through the OMG Systems Modeling API, with staged, token-confirmed commits.
Read-only SysML v1 model analysis skills (FREE tier) driven by the /jgs-v1 dispatcher.
18 skills
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