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Agent skill

Vendor Submodules

by wado-lang in wado-lang/wado

Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources.

MITAuto-check passedDevelopment

Install Vendor Submodules

skills CLI
$ npx skills add wado-lang/wado --skill vendor-submodules -a claude-code

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

GitHub CLI
$ gh skill install wado-lang/wado vendor-submodules --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/wado-lang/wado.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/vendor-submodules .claude/skills/vendor-submodules && 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
vendor-submodules
GitHub stars
117
Token cost
~828 tokens
SKILL.md length
282 words
Files
3
Skills in repo
15
Repo updated
First seen
Licence
MIT

At a glance

Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources.

  • An answer should come from one of those sources rather than memory
  • SKILL.md covers What is under vendor/, Syncing and Building against a patched…
  • Calls mise and git
  • Whenever vendor/ is missing

What it does

Vendor Submodules is an agent skill from wado-lang/wado. Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources. Use whenever an answer should come from one of those sources rather than memory, and whenever vendor/ is missing or stale.

Its SKILL.md is about 830 tokens, which your agent loads only when the skill is triggered. The skill folder holds 3 other files.

It sits in Development. It works with WebAssembly and gRPC. The repository describes itself as: The Wado Programming Language. The licence is MIT.

When your agent uses it

  • An answer should come from one of those sources rather than memory
  • Whenever vendor/ is missing

Example prompts

  • “/vendor-submodules”

What it can do on your machine

Read from SKILL.md and the folder at commit b1f1e2a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • mise
    • git

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

  • Network

    No URLs in SKILL.md. Its commands use git, which can reach the network depending on how they are called.

    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.

Context cost

Vendor Submodules loads about 828 tokens when it runs. Until then it costs about 75 tokens; SKILL.md has 282 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~75
When it runs · the whole SKILL.md, loaded when a task matches
~828

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 passed

The automated check found no risky patterns in SKILL.md.

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

The full file from wado-lang/wado at commit b1f1e2a, republished under its MIT licence (© wado-lang). 282 words, ~828 tokens.

Download SKILL.mdSave it as .claude/skills/vendor-submodules/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
vendor-submodules
description
Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources. Use whenever an answer should come from one of those sources rather than memory, and whenever vendor/ is missing or stale.

What is under vendor/

  • vendor/wasm/ - WebAssembly/spec
  • vendor/wasi/ - WebAssembly/WASI
  • vendor/component-model/ - WebAssembly/component-model (CM spec)
    • Canonical built-ins: vendor/component-model/design/mvp/CanonicalABI.md
    • Concurrency (async, streams, futures): vendor/component-model/design/mvp/Concurrency.md
    • Explainer: vendor/component-model/design/mvp/Explainer.md
  • vendor/wasmtime/ - a Wasm runtime with WASI P3 support
  • vendor/wasm-tools/ - the Wasm toolchain the Wado compiler builds on
  • vendor/antlr4/ - ANTLR4, the grammar dialect Gale targets. Read package-gale/AGENTS.md first: most of this tree must not be read
  • vendor/wasi-webgpu/ - the wasi:webgpu proposal
  • vendor/protobuf-spec/ - protobuf.dev's source, which is the protobuf spec
    • Wire format: vendor/protobuf-spec/content/programming-guides/encoding.md
    • The .proto grammar, one file per syntax and edition: vendor/protobuf-spec/content/reference/protobuf/{proto2,proto3,edition-2023,edition-2024}-spec.md
    • Edition features: vendor/protobuf-spec/content/editions/features.md
  • vendor/protobuf/ - protocolbuffers/protobuf, for the .proto files the spec does not carry: src/google/protobuf/descriptor.proto, the well-known types, and the unittest*.proto / test_messages_*.proto Grog parses as a corpus

git submodule update --init --recommend-shallow fetches them.

Syncing

sh
mise run sync-vendor

vendor/wasmtime goes to the exact version in Cargo.lock, which WASI P3 compatibility requires. The other submodules go to their remote HEAD.

Building against a patched wasmtime

To test a change to wasmtime itself, edit vendor/wasmtime in place and add to the workspace Cargo.toml:

toml
[patch.crates-io]
wasmtime = { path = "vendor/wasmtime/crates/wasmtime" }
wasmtime-wasi = { path = "vendor/wasmtime/crates/wasi" }
wasmtime-wasi-http = { path = "vendor/wasmtime/crates/wasi-http" }
wasmtime-wasi-tls = { path = "vendor/wasmtime/crates/wasi-tls" }

Those four names redirect 31 crates. The cranelift-*, pulley-*, wasmtime-internal-* and wiggle* crates follow through the dependency graph. sync-vendor already holds the submodule at the Cargo.lock version, so the sources match what the workspace expects and nothing needs porting.

Keep the stanza on a throwaway branch. CI checks out without submodules (submodules: false, also actions/checkout's default), so on main every job dies while parsing the manifest. Landing it means turning submodule checkout on across every workflow.

reference/ holds patches written this way, each with its measurement:

  • current_thread_split.patch — splits the cold deferred-frame replay out of StoreOpaque::current_thread so the fast path inlines. Removes ~1 point of CPU; throughput flat.
  • trace_fiber_roots.patch — tracks fiber-owning reps instead of scanning the whole component ResourceTable per GC. Not measurable.

© wado-lang, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files in .claude/skills/vendor-submodules of wado-lang/wado.

  • SKILL.md
  • reference/current_thread_split.patch
  • reference/trace_fiber_roots.patch

Open the folder on GitHubat commit b1f1e2a

Compare with similar skills

Vendor Submodules 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.

Vendor Submodules compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Vendor Submodules this skillwado-lang/wado117—~828Automated safety check: PassMIT
Spider Kingaoyunyang/spider-king-skill509—~7.3kAutomated safety check: PassMIT
Yaak Changelogmountain-loop/yaak19k—~1.6kAutomated safety check: PassMIT
Release Generate Release Notesmountain-loop/yaak19k—~548Automated safety check: PassMIT
Connection Import WasmfeigeCode/navop1.8k—~2.7kAutomated safety check: PassCustom licence
Changesetwhitphx/stlite1.7k—~1.9kAutomated safety check: PassApache-2.0

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Works with

Categories

Questions about Vendor Submodules

What does Vendor Submodules do?

Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources. Vendor Submodules is an agent skill from wado-lang/wado. Locate and sync the reference specs and runtimes vendored under vendor/ — the Wasm, WASI P3, and Component Model specs, and the wasm-tools and wasmtime sources.

When should I use Vendor Submodules?

Vendor Submodules fits situations like: an answer should come from one of those sources rather than memory; whenever vendor/ is missing.

How do I install Vendor Submodules in Claude Code?

Run `npx skills add wado-lang/wado --skill vendor-submodules -a claude-code`. Or copy the skill folder (.claude/skills/vendor-submodules in wado-lang/wado) into .claude/skills/vendor-submodules in your project. Claude Code loads it when a task matches its description.

How do I install Vendor Submodules in Codex?

Run `npx skills add wado-lang/wado --skill vendor-submodules -a codex`. Or copy the skill folder (.claude/skills/vendor-submodules in wado-lang/wado) into .agents/skills/vendor-submodules in your project. Codex loads it when a task matches its description.

Can I use Vendor Submodules 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 wado-lang/wado --skill vendor-submodules -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/vendor-submodules, .gemini/skills/vendor-submodules, .github/skills/vendor-submodules and .opencode/skills/vendor-submodules in your project.

What does Vendor Submodules need to run?

Going by SKILL.md and its folder, Vendor Submodules needs the command-line tools its instructions call (mise and git).

Does Vendor Submodules access the network?

SKILL.md contains no URLs. Its commands use git, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Vendor Submodules safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Vendor Submodules use?

Vendor Submodules is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Vendor Submodules use?

About 828 tokens (SKILL.md is roughly 3.3k 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 Vendor Submodules?

Skills that share tags, products or a category with Vendor Submodules: Spider King (aoyunyang/spider-king-skill, 509 stars), Yaak Changelog (mountain-loop/yaak, 19k stars), Release Generate Release Notes (mountain-loop/yaak, 19k stars) and Connection Import Wasm (feigeCode/navop, 1.8k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Vendor Submodules?

wado-lang (a GitHub organization) maintains it in wado-lang/wado, which has 117 GitHub stars. The repository holds 15 skills in this directory. The repository was last updated on October 9, 2026.

Source: wado-lang/wado on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.