Agent skill

Complexa Evaluate Pdbs

by NVIDIA-BioNeMo in NVIDIA-BioNeMo/bionemo-agent-toolkit

Standalone evaluation of an existing PDB directory with Proteina-Complexa.

Custom licenceAuto-check: notesDocuments & Office

Install Complexa Evaluate Pdbs

skills CLI
$ npx skills add NVIDIA-BioNeMo/bionemo-agent-toolkit --skill complexa-evaluate-pdbs -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install NVIDIA-BioNeMo/bionemo-agent-toolkit complexa-evaluate-pdbs --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/NVIDIA-BioNeMo/bionemo-agent-toolkit.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/bionemo-agent-toolkit/skills/complexa-evaluate-pdbs .claude/skills/complexa-evaluate-pdbs && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
complexa-evaluate-pdbs
GitHub stars
478
Token cost
~3.3k tokens
SKILL.md length
1,033 words
Files
4
Skills in repo
14
Repo updated
First seen
Licence
Custom licence

At a glance

Standalone evaluation of an existing PDB directory with Proteina-Complexa.

  • Works in 6 steps: Pre-flight → Identify the design type → Gather inputs (AskUserQuestion) → …
  • The user wants to evaluate PDB files
  • SKILL.md covers What this skill enables, Step 1: Pre-flight, Step 2: Identify the design type and Step 3: Gather inputs…, plus 7 more sections
  • Calls python, bash and python3

What it does

Complexa Evaluate Pdbs is an agent skill from NVIDIA-BioNeMo/bionemo-agent-toolkit. Standalone evaluation of an existing PDB directory with Proteina-Complexa. Use when the user wants to "evaluate PDB files", "re-fold these designs", "compute interface pAE", "compute ipLDDT for a folder", "run AF2 / RF3 / ESMFold on my designs", "score binder candidates", "designability of this folder", "scRMSD for designs", "motif RMSD for these PDBs", "complexa analysis", "complexa evaluate from a PDB directory", "evaluate from pdb dir", or to score third-party outputs (BindCraft, AlphaProteo, RFdiffusion…

Its SKILL.md is about 3.3k tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files (for example `evals/evals.json`, `evals/trigger_evals.json` and `reference/eval_configs.md`). Compatibility notes: complexa CLI installed (pip install -e .); CUDA GPU; AF2DIR (colabdesign) or RF3CKPTPATH+RF3EXECPATH (rf3latest); ESMFold weights for monomer paths

It sits in Documents & Office, covering CSV and tabular files. The repository describes itself as: Turn any agent into a life science expert with NVIDIA BioNeMo skills.

When your agent uses it

  • The user wants to evaluate PDB files
  • Re-fold these designs
  • Compute interface pAE
  • Compute ipLDDT for a folder

Example prompts

  • “evaluate PDB files”
  • “re-fold these designs”
  • “compute interface pAE”
  • “/complexa-evaluate-pdbs”

Requirements

  • Python 3
  • Compatibility (from SKILL.md): complexa CLI installed (pip install -e .); CUDA GPU; AF2_DIR (colabdesign) or RF3_CKPT_PATH+RF3_EXEC_PATH (rf3_latest); ESMFold weights for monomer paths
  • Pre-approved tools (allowed-tools): Bash, Read, Write, AskUserQuestion

Workflow steps

6 steps, taken from the step headings in SKILL.md.

  1. Pre-flight
  2. Identify the design type
  3. Gather inputs (AskUserQuestion)
  4. Run evaluate → analyze
  5. Parse results
  6. Emit manifest

What it can do on your machine

Read from SKILL.md and the folder at commit 2113472. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash
    • Read
    • Write
    • AskUserQuestion

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python
    • bash
    • python3

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    complexa CLI installed (pip install -e .); CUDA GPU; AF2_DIR (colabdesign) or RF3_CKPT_PATH+RF3_EXEC_PATH (rf3_latest); ESMFold weights for monomer paths

    From compatibility in the SKILL.md frontmatter.

Context cost

Complexa Evaluate Pdbs loads about 3.3k tokens when it runs. Until then it costs about 193 tokens; SKILL.md has 1,033 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~193
When it runs · the whole SKILL.md, loaded when a task matches
~3.3k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteMentions a .env fileSKILL.md:216
    OLDSEEK_EXEC` not on `PATH`. Either fix `.env` (preferred) or disable: `++aggregation.compute_diversity=false ++aggregat
  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Bash, Read, Write, AskUserQuestion

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 1,033 words (~3,329 tokens).

“Score a directory of pre-existing PDB files against the same metrics Proteina-Complexa uses internally. Wraps complexa analysis ++sample_storage_path=: the CLI runs the evaluate step (refold + interface metrics + monomer metrics) and then the analyze step (success thresholds, diversity, pass-rate…”

— opening of SKILL.md by NVIDIA-BioNeMo, Custom licence
name
complexa-evaluate-pdbs
allowed-tools
Bash, Read, Write, AskUserQuestion
compatibility
complexa CLI installed (pip install -e .); CUDA GPU; AF2_DIR (colabdesign) or RF3_CKPT_PATH+RF3_EXEC_PATH (rf3_latest); ESMFold weights for monomer paths

Read the full SKILL.md on GitHub

Files

SKILL.md and 3 other files in skills/bionemo-agent-toolkit/skills/complexa-evaluate-pdbs of NVIDIA-BioNeMo/bionemo-agent-toolkit.

  • SKILL.md
  • evals/evals.json
  • evals/trigger_evals.json
  • reference/eval_configs.md

Open the folder on GitHubat commit 2113472

Compare with similar skills

Complexa Evaluate Pdbs next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Complexa Evaluate Pdbs compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Complexa Evaluate Pdbs this skillNVIDIA-BioNeMo/bionemo-agent-toolkit478—~3.3kAutomated safety check: NotesCustom licence
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Sector Analysttradermonty/claude-trading-skills3k1 repos~2.3kAutomated safety check: PassMIT
Cliare Artifact Reviewmodiqo/cliare469—~2.4kAutomated safety check: PassApache-2.0
Convert Fileduckdb/duckdb-skills5991 repos~720Automated safety check: NotesMIT
Research Integrity Auditxuzhougeng/wisp-science1k—~2.6kAutomated safety check: PassAGPL-3.0

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Questions about Complexa Evaluate Pdbs

What does Complexa Evaluate Pdbs do?

Standalone evaluation of an existing PDB directory with Proteina-Complexa. Complexa Evaluate Pdbs is an agent skill from NVIDIA-BioNeMo/bionemo-agent-toolkit. Standalone evaluation of an existing PDB directory with Proteina-Complexa.

When should I use Complexa Evaluate Pdbs?

Complexa Evaluate Pdbs fits situations like: the user wants to evaluate PDB files; re-fold these designs; compute interface pAE; compute ipLDDT for a folder.

How do I install Complexa Evaluate Pdbs in Claude Code?

Run `npx skills add NVIDIA-BioNeMo/bionemo-agent-toolkit --skill complexa-evaluate-pdbs -a claude-code`. Or copy the skill folder (skills/bionemo-agent-toolkit/skills/complexa-evaluate-pdbs in NVIDIA-BioNeMo/bionemo-agent-toolkit) into .claude/skills/complexa-evaluate-pdbs in your project. Claude Code loads it when a task matches its description.

How do I install Complexa Evaluate Pdbs in Codex?

Run `npx skills add NVIDIA-BioNeMo/bionemo-agent-toolkit --skill complexa-evaluate-pdbs -a codex`. Or copy the skill folder (skills/bionemo-agent-toolkit/skills/complexa-evaluate-pdbs in NVIDIA-BioNeMo/bionemo-agent-toolkit) into .agents/skills/complexa-evaluate-pdbs in your project. Codex loads it when a task matches its description.

Can I use Complexa Evaluate Pdbs in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add NVIDIA-BioNeMo/bionemo-agent-toolkit --skill complexa-evaluate-pdbs -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/complexa-evaluate-pdbs, .gemini/skills/complexa-evaluate-pdbs, .github/skills/complexa-evaluate-pdbs and .opencode/skills/complexa-evaluate-pdbs in your project.

What does Complexa Evaluate Pdbs need to run?

Going by SKILL.md and its folder, Complexa Evaluate Pdbs needs the command-line tools its instructions call (python, bash and python3). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Bash, Read, Write, AskUserQuestion. Compatibility (from SKILL.md): complexa CLI installed (pip install -e .); CUDA GPU; AF2_DIR (colabdesign) or RF3_CKPT_PATH+RF3_EXEC_PATH (rf3_latest); ESMFold weights for monomer paths.

Does Complexa Evaluate Pdbs access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Complexa Evaluate Pdbs safe to install?

Our automated static check of SKILL.md found notes only (mentions a .env file; pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Complexa Evaluate Pdbs use?

Complexa Evaluate Pdbs has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Complexa Evaluate Pdbs use?

About 3.3k tokens (SKILL.md is roughly 13k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Complexa Evaluate Pdbs?

Skills that share tags, products or a category with Complexa Evaluate Pdbs: Instrument Data To Allotrope (aws-samples/amazon-bedrock-agents-healthcare-lifesciences, 274 stars), Sector Analyst (tradermonty/claude-trading-skills, 3k stars), Cliare Artifact Review (modiqo/cliare, 469 stars) and Convert File (duckdb/duckdb-skills, 599 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Complexa Evaluate Pdbs?

NVIDIA-BioNeMo (a GitHub organization) maintains it in NVIDIA-BioNeMo/bionemo-agent-toolkit, which has 478 GitHub stars. The repository holds 14 skills in this directory. The repository was last updated on October 6, 2026.

Source: NVIDIA-BioNeMo/bionemo-agent-toolkit on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.