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Get Started Free →MDA compatibility demonstration skill for Hermes Agent. Compiled from compat/hermes/source.mda. Loading this skill confirms that an MDA-emitted SKILL.md is discovered, parsed, and listed by Hermes Agent under its `~/.hermes/skills/<category>/<name>/SKILL.md` layout.
| Test case | Without → With | Effect | Δ tokens | Δ turns |
|---|---|---|---|---|
| case-01 | ✗→✓ | ▲ Improved | 0% | 0% |
| case-07 | ✗→✓ | ▲ Improved | -54% | 0% |
| case-02 | ✗→✓ | ▲ Improved | -31% | 0% |
| case-03 | ✗→✓ | ▲ Improved | -40% | 0% |
| case-04 | ✗→✓ | ▲ Improved | -42% | 0% |
This skill exists to verify Hermes Agent SKILL.md compatibility from an MDA-compiled output.
Three things are true if Hermes discovers and loads this skill:
SKILL.md parses under Hermes Agent's loader.name matches the package directory name (spec §06-2.1)..mda source to compiled output to Hermes' skill registry; the reserved metadata.hermes.* namespace passes through verbatim for Hermes' own consumption.Source: compat/hermes/source.mda. Compile: mda compile compat/hermes/source.mda --target SKILL.md --out-dir compat/hermes/build --integrity.
What this does NOT prove:
metadata.mda.* (we do not require it).version, author) that some existing Hermes skills carry at top level rather than under metadata.mda.*. Those are out of MDA v1.0 scope under §06-3.4, symmetric with the Claude Code runtime-fields gap.Other measured skills in the registry, with their headline benchmark lift.