Foldseek Structural Similarity logo

Foldseek Structural Similarity

Organization
ai4protein
foldseek_structural_similarity

FoldSeek structural similarity search against PDB with optional protected-region masking. Use when the user has a PDB and wants fold-level homologs, structural neighbors, or to protect an active site while searching. Do NOT use for sequence BLAST/MMseqs2 (protein_sequence_similarity_search) or MSA (clustalo_msa).

Overview

Publisherai4protein
RepositoryVenusFactory2
Skill namefoldseek_structural_similarity
Stars
255
Forks
37
Bundled files
Instructions only
LicenseApache-2.0
Links
  • Markdown instructions

    A SKILL.md file the model loads on demand, so it only costs tokens when a request actually matches.

  • Works with any LLM

    AI skills are plain Markdown, not provider-specific code, so this works with GPT, Claude, Gemini, Grok, or a local model.

  • Self-contained

    Everything the model needs lives in the instructions — no extra files to sync.

  • Open source

    Published by ai4protein on GitHub. Read the source before you install it.

Installation

Install the Foldseek Structural Similarity AI skill in TypingMind to use it with any LLM, or drop it into another agent that reads SKILL.md.

1

Install in TypingMind

TypingMind installs a skill straight from its GitHub folder — it reads SKILL.md, bundles the resource files, and stores the result locally.

  1. Open the app and go to Plugins → Skills.
  2. Choose "Install from GitHub".
  3. Paste the skill folder URL below and confirm.
    https://github.com/ai4protein/VenusFactory2/tree/main/src/agent/skills/foldseek_structural_similarity
  4. Enable the skill in any chat where you want it available.
Plugins → Skills → Add skill → From GitHub URL, then paste the folder URL and press Continue.
2

Install in another agent

Any agent that reads the Agent Skills format can use this skill — copy the folder into that agent's skills directory.

Claude Code — .claude/skills
git clone --depth 1 https://github.com/ai4protein/VenusFactory2.git /tmp/VenusFactory2
mkdir -p .claude/skills
cp -r /tmp/VenusFactory2/src/agent/skills/foldseek_structural_similarity .claude/skills/foldseek_structural_similarity
Restart Claude Code after copying so it picks up the new skill.

Use it in TypingMind

Enable Foldseek Structural Similarity in any TypingMind chat and the model takes it from there. Its name and description sit in the system prompt, and the moment a request matches, the model loads the full instructions itself — you never invoke it by hand, and it costs no tokens until it is actually used.

The model loads Foldseek Structural Similarity on its own as soon as a request matches it.

Works with any AI model

AI skills are plain Markdown instructions rather than provider-specific code, so Foldseek Structural Similarity is not tied to the model it was written for. Install it once in TypingMind and use it with GPT-5, Claude, Gemini, Grok, DeepSeek, Mistral, Llama, or a local model you run yourself — all on your own API keys.

  • Loaded only when it is needed

    The system prompt carries just the name and description. The instructions are fetched on the first matching request, so an idle skill costs nothing.

  • Switch models mid-chat

    Because the skill is instructions rather than code, changing model does not break it — the next model reads the same SKILL.md.

Skill instructions

This is the SKILL.md content the model loads. Read it before installing — a skill is instructions your model will follow.

FoldSeek Structural Similarity

Overview

Runs the VenusFactory FoldSeek submit→poll→download pipeline. Coordinates are 1-based inclusive for protect_start / protect_end (masked region kept out of the search query).

Project Tools (VenusFactory2)

ToolArgsReturns
download_foldseek_results_by_pdb_filepdb_file_path, protect_start, protect_end, optional out_dirrich JSON; m8/FASTA under file_info
download_rcsb_structure_by_pdb_idhit PDB idsfetch neighbors
superpose_two_structuresquery + hit PDBsvisual compare

Workflow

  1. Ensure a local PDB (user upload, AlphaFold, or RCSB).
  2. Choose protect region (catalytic site / epitope) or pass a wide range if no mask needed — both start and end are required by the tool.
  3. Call download_foldseek_results_by_pdb_file; wait for submit-poll to finish (network latency expected).
  4. Parse hits from content_preview / saved m8; fetch interesting hits via RCSB; optional superpose.

When NOT to use

  • Sequence identity / remote homologs without structure → protein_sequence_similarity_search
  • Align many sequences → clustalo_msa

Common mistakes

  • Using 0-based residue indices.
  • Confusing FoldSeek with sequence BLAST tools.
  • Ignoring timeouts on the webserver queue — report status:error suggestion to user.

Frequently asked questions

What does the Foldseek Structural Similarity AI skill do?

FoldSeek structural similarity search against PDB with optional protected-region masking. Use when the user has a PDB and wants fold-level homologs, structural neighbors, or to protect an active site while searching. Do NOT use for sequence BLAST/MMseqs2 (protein_sequence_similarity_search) or MSA (clustalo_msa).

Why use Foldseek Structural Similarity on TypingMind?

Because you install it once and use it with any model. Foldseek Structural Similarity is plain Markdown rather than provider-specific code, so the same skill runs on GPT-5, Claude, Gemini, Grok, or a local model — and you can switch model mid-chat without it breaking. TypingMind runs on your own API keys, so you pay providers directly instead of a per-seat subscription, and your skills and chats stay in your own storage.

How do I install Foldseek Structural Similarity in TypingMind?

Open Plugins → Skills → Install from GitHub in TypingMind and paste https://github.com/ai4protein/VenusFactory2/tree/main/src/agent/skills/foldseek_structural_similarity. TypingMind reads its SKILL.md and installs it as a skill you can enable per chat.

Which AI models can use Foldseek Structural Similarity?

Any model you connect in TypingMind. AI skills are plain Markdown instructions rather than provider-specific code, so GPT, Claude, Gemini, Grok, and local models can all load this skill when a request matches it.

How many AI models can I use with Foldseek Structural Similarity?

As many as you like. As long as a model supports skills, you can use Foldseek Structural Similarity with it — GPT, Claude, Gemini, Grok, DeepSeek, Mistral, Llama and more — all on TypingMind with your own API keys.

Is the Foldseek Structural Similarity AI skill free?

Yes. It is published on GitHub by ai4protein under the Apache-2.0 license. You only pay your own AI provider for the tokens you use.

What are AI skills?

An AI skill is a reusable instruction bundle that teaches an AI model how to do one specific task. It follows the open Agent Skills format: a SKILL.md file with a name and description, plus any scripts, templates or reference files the model may need. The model reads the instructions only when your request matches the skill, so an installed skill costs nothing until it is used.

How are AI skills different from plugins or MCP servers?

A plugin or MCP server gives a model new tools to call — code that runs somewhere and returns a result. An AI skill gives the model knowledge and process instead: how to approach a task, which steps to follow, what good output looks like. Skills are plain Markdown, so they need no server, no API key and no runtime, and they work with any model.

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