Cursor Extension Integration

What it does

When your agent uses it

• Cursor extensions
• Cursor vscode extensions
• Cursor marketplace

Example prompts

• “cursor extensions”
• “cursor vscode extensions”
• “cursor plugins”
• “/cursor-extension-integration”

Requirements

• Python 3
• Docker
• Compatibility (from SKILL.md): Designed for Claude Code
• Pre-approved tools (allowed-tools): Read, Write, Edit, Bash(cmd:*)

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

1. 1Review publisher, permissions, license, update history, and network/data behavior.
2. 2Test one extension in an isolated profile with a non-sensitive workspace.
3. 3Check conflicts with Cursor, rules, completion providers, and repository tooling.
4. 4Approve, document, and periodically review the extension; remove it on security or compatibility failure.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. 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:

  • Read
  • Write
  • Edit
  • Bash(cmd:*)

  From allowed-tools in the SKILL.md frontmatter.

• Runs code

  Shell commands in SKILL.md call:

  • cursor

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

• Network

  Links to these hosts (documentation or services it may open):

  • marketplace.visualstudio.com
  • docs.cursor.com
  • open-vsx.org

  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

  Designed for Claude Code

  From compatibility in the SKILL.md frontmatter.

Context cost

Cursor Extension Integration loads about 2.2k tokens when it runs, and up to ~3.7k if it reads all its reference files. Until then it costs about 76 tokens; SKILL.md has 697 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it

~76

When it runs · the whole SKILL.md, loaded when a task matches

~2.2k

With references · SKILL.md plus every file in references/, read only if the agent opens them

~3.7k

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

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 jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 697 words, ~2,172 tokens.

name

cursor-extension-integration

description

Integrate VS Code extensions with Cursor IDE: compatibility, Open VSX registry, VSIX installation, conflict resolution, and essential extensions. Triggers on "cursor extensions", "cursor vscode extensions", "cursor plugins", "cursor marketplace", "open vsx", "vsix install".

allowed-tools

Read, Write, Edit, Bash(cmd:*)

compatibility

Designed for Claude Code

version

1.19.0

license

MIT

author

Jeremy Longshore <jeremy@intentsolutions.io>

tags

saas, cursor, cursor-extension

Cmd+Shift+X → search extension name → Install

# Install from Open VSX
cursor --install-extension dbaeumer.vscode-eslint

# Install from VSIX file
cursor --install-extension ~/Downloads/extension.vsix

# List installed extensions
cursor --list-extensions

# Uninstall
cursor --uninstall-extension dbaeumer.vscode-eslint

// keybindings.json
[
  {
    "key": "ctrl+l",
    "command": "aichat.focus",
    "when": "!vim.active || vim.mode == 'Normal'"
  },
  {
    "key": "ctrl+k",
    "command": "cursor.edit",
    "when": "editorTextFocus && vim.mode == 'Normal'"
  },
  {
    "key": "ctrl+i",
    "command": "composer.open",
    "when": "!vim.active || vim.mode == 'Normal'"
  }
]

Required:
  dbaeumer.vscode-eslint          # Linting
  esbenp.prettier-vscode          # Formatting
  bradlc.vscode-tailwindcss       # Tailwind CSS (if using)

Recommended:
  formulahendry.auto-rename-tag   # HTML/JSX tag renaming
  usernamehw.errorlens            # Inline error display
  wix.vscode-import-cost          # Import size display
  christian-kohler.path-intellisense  # Path autocomplete

Required:
  ms-python.python                # Python language support
  charliermarsh.ruff              # Fast Python linter

Recommended:
  ms-python.debugpy               # Python debugger
  njpwerner.autodocstring         # Docstring generator
  ms-toolsai.jupyter              # Jupyter notebook support

Go:
  golang.go                       # Official Go extension

Rust:
  rust-lang.rust-analyzer         # Rust language server
  tamasfe.even-better-toml        # TOML config files

  ms-azuretools.vscode-docker     # Docker support
  redhat.vscode-yaml              # YAML validation
  hashicorp.terraform             # Terraform HCL support
  ms-kubernetes-tools.vscode-kubernetes-tools  # Kubernetes

// .vscode/settings.json (per project)
{
  "extensions.ignoreRecommendations": true
}

# Export extension list
cursor --list-extensions > cursor-extensions.txt

# On new machine, reinstall all
while read ext; do cursor --install-extension "$ext"; done < cursor-extensions.txt

© jeremylongshore, 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 8 other files (references) in skills/.curated/cursor-extension-integration of jeremylongshore/tons-of-skills-marketplace.

• SKILL.md
• references/errors.md
• references/essential-extensions.md
• references/examples.md
• references/installing-extensions.md
• references/managing-conflicts.md
• references/performance-optimization.md
• references/recommended-configurations.md
• references/troubleshooting.md

Open the folder on GitHubat commit cfae287