Individual skill
boltz
Structure prediction for protein, nucleic-acid, and small-molecule complexes with Boltz-2 (Passaro & Wohlwend et al. 2025, github.com/jwohlwend/boltz). Reach for this skill to validate designed binders against a target, to co-fold a protein with a SMILES or CCD ligand, or to get an open-source AlphaFold3 alternative with optional binding-affinity prediction.
configs/microservice/bff-service/configs/agent-skills/claude-science/boltz/SKILL.md
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- Last checked
- Nov 3, 2026
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- License
- Apache-2.0
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# Boltz-2
Boltz-2 is the open-weights diffusion co-folder closest in surface to
AlphaFold3: a YAML describing protein, DNA, RNA, and ligand chains in, mmCIF
plus pTM/ipTM/pLDDT confidences out, with an optional small-molecule affinity
head. Among our four co-fold skills it is the default for binder-validation
campaigns — fully open MIT weights and the fastest sampler; pick `chai1` when
you want a second independent model for consensus, `openfold3` when AF3-faithful
settings matter, and `esmfold2` when you can live without an MSA. Code and
weights are MIT (PyPI `boltz`, github.com/jwohlwend/boltz).
## Running it
```yaml