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vscode-deephaven

Deephaven Visual Studio Code Extension

Install / Use

claude mcp add deephaven -- npx -y github:deephaven/vscode-deephaven

If the server publishes to npm under a different name, use that package instead — check the repo README.

About this skill
🔌

MCP Server

Model Context Protocol server

Quality Score

35/100

Supported Platforms

Claude Code
Claude Desktop
Windsurf

Tags

Our assessment of vscode-deephaven

vscode-deephaven scores 35/100 on our quality scale, 1161st of 1,179 Content & Media skills we index.

Its MCP Server is 43 KB long, written without headings and no code examples: long enough that it reads more like full documentation than a focused instruction file, which agents can find harder to follow.

It has no GitHub stars yet, so there is no community track record; judge it on its content.

Substance
21/30
Structure
0/20
Description
8/15
Adoption
0/20
Freshness
5/15

Maintenance, license and trust

  • We could not determine when the repository was last updated.
  • No license is declared. By default that means all rights are reserved: you can read it, but reusing or redistributing it is not clearly permitted. Ask the author before building on it commercially.
  • Its trust signals score 68/100, with 3 cautions from licensing, adoption, age or documentation. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.

vscode-deephaven compared with similar skills

All 4 of these similar skills score higher than vscode-deephaven; compare them before choosing.

SkillScoreStarsUpdatedFormat
vscode-deephaven (this skill)by deephaven350—MCP Server
Agent-Reachby Panniantong10097.7ktodayCLAUDE.md
headroomby headroomlabs-ai10075.4ktodayCLAUDE.md
CowAgentby zhayujie10047.4ktodayCLAUDE.md
Scraplingby D4Vinci10087.9ktodayMCP Server

Frequently asked questions

How do I install vscode-deephaven?
Run claude mcp add deephaven -- npx -y github:deephaven/vscode-deephaven. The install tabs above show the steps for each supported agent.
Which AI agents does vscode-deephaven work with?
It is written for Claude Code, Claude Desktop and Windsurf, as a MCP Server file. Other agents that read the same format can often use it too.
Is vscode-deephaven safe to use?
It declares no license and scores 68/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
Is vscode-deephaven still maintained?
We could not determine when the repository was last updated.

{ "name": "vscode-deephaven", "version": "0.0.0-development", "displayName": "Deephaven VS Code", "description": "", "publisher": "deephaven", "icon": "images/dh-logo-128.png", "galleryBanner": { "color": "#040427", "theme": "dark" }, "repository": { "type": "git", "url": "https://github.com/deephaven/vscode-deephaven" }, "engines": { "vscode": "^1.105.0" }, "categories": [ "Data Science", "Snippets" ], "activationEvents": [ "onFileSystem:dhfs", "onStartupFinished" ], "main": "./out/extension.js", "workspaces": [ "packages/" ], "scripts": { "build:ts": "npm run clean && tsc --build ./tsconfig.json && tsc -p tsconfig.unit.json --noEmit --module preserve --moduleResolution bundler", "clean": "rm -rf dist out e2e-testing/out tsconfig.tsbuildinfo e2e-testing/tsconfig.tsbuildinfo", "compile": "npm run build:ts && node scripts/esbuild.js", "compile:prod": "npm run build:ts && npm run test:lint && node scripts/esbuild.js --production", "docs:start": "./scripts/startDocs", "docs:format": "./scripts/formatDocs", "docs:validate": "./scripts/validateDocs", "format": "prettier --write "src/**/.{ts,js}"", "icon:gen:dh": "node icons/generate.mjs dh", "icon:gen:ext": "node icons/generate.mjs dh-ext icons/src", "package:dev": "./scripts/package-dev.sh", "publish": "./scripts/publish.sh", "publish:prerelease": "./scripts/publish.sh --pre-release", "report:ctrfsummary": "github-actions-ctrf summary test-reports/ctrf-report.json && github-actions-ctrf failed test-reports/ctrf-report.json", "report:junit2ctrf": "junit-to-ctrf test-reports/vitest.junit.xml --output test-reports/ctrf-report.json", "report:prcomment": "mkdir -p ./pr-comment && cp $GITHUB_STEP_SUMMARY pr-comment/pr-comment.html", "test:ci": "npm run compile && npm run test:lint && npm run test:unit", "test:e2e": "npm run build:ts && ./scripts/e2e.sh", "test:e2e:docker": "npm run test:e2e -- --core --docker", "test:lint": "eslint . --ext ts", "test:unit": "vitest --reporter=default --reporter=junit --outputFile=./test-reports/vitest.junit.xml", "test": "npm run test:unit", "vscode:prepublish": "npm run compile:prod", "watch:esbuild": "node scripts/esbuild.js --watch", "watch:tsc": "tsc --build ./tsconfig.json --watch", "watch": "npm-run-all -p watch:*" }, "contributes": { "chatSkills": [ { "path": "./skills/deephaven-vscode-using/SKILL.md" }, { "path": "./skills/deephaven-docs-searching/SKILL.md" } ], "configuration": { "title": "Deephaven", "properties": { "deephaven.coreServers": { "description": "List of Deephaven Core servers that the extension can connect to.", "type": "array", "items": { "anyOf": [ { "type": "string", "description": "Deephaven Core server URL" }, { "type": "object", "description": "Deephaven Core server config", "properties": { "url": { "type": "string", "description": "Deephaven Core server URL" }, "label": { "type": "string", "title": "Label", "description": "Optional label for the server" } } } ] }, "default": [ "http://localhost:10000/" ] }, "deephaven.enterpriseServers": { "description": "List of Deephaven Enterprise servers that the extension can connect to.", "type": "array", "items": { "anyOf": [ { "type": "string", "description": "Deephaven Enterprise server URL" }, { "type": "object", "description": "Deephaven Enterprise server config", "properties": { "url": { "type": "string", "description": "Deephaven Enterprise server URL" }, "label": { "type": "string", "title": "Label", "description": "Optional label for the server" }, "experimentalWorkerConfig": { "type": "object", "description": "(experimental) Worker configuration used when creating new connections to the server", "properties": { "additionalMemory": { "type": "number", "description": "(GB) The amount of additional memory allocated to this worker process beyond the JVM heap memory. This allows Deephaven to account for memory allocated by Python native code, Java direct memory, and other types of non-heap memory." }, "classPaths": { "type": "string" }, "dbServerName": { "type": "string" }, "engine": { "type": "string", "description": "Core+ engine configuration name" }, "envVars": { "type": "string" }, "heapSize": { "type": "number" }, "jvmArgs": { "type": "string" }, "jvmProfile": { "type": "string" }, "scriptLanguage": { "type": "string" } } } } } ] }, "default": [] }, "deephaven.experimental.groovyRemoteFileSourcing": { "type": "boolean", "default": false, "markdownDescription": "(Experimental) Enable remote file sourcing for Groovy connections. Requires a Deephaven Core server with Groovy remote file source support. Takes effect for new connections." }, "deephaven.importPrefixes": { "type": [ "array", "null" ], "default": null, "items": { "type": "string" }, "markdownDescription": "Optional controller import prefixes for remote file sourcing. When set, overrides automatic detection from meta_import() calls in Python code. Defaults to automatic detection if not specified." }, "deephaven.mcp.enabled": { "type": "boolean", "default": false, "markdownDescription": "Enable Deephaven MCP server integration for supported editors (e.g., VS Code or Windsurf)." }, "deephaven.mcp.autoUpdateConfig": { "type": "boolean", "default": false, "markdownDescription": "Automatically update MCP config without prompting when the extension's MCP server port changes. Applies to supported editors (e.g., Windsurf)." }, "deephaven.mcp.docsEnabled": { "type": "boolean", "default": true, "markdownDescription": "Enable registration of the Deephaven Documentation MCP server for AI-assisted documentation queries. Only applies when deephaven.mcp.enabled is also enabled." } } }, "snippets": [ { "language": "python", "path": "./snippets.code-snippets" } ], "commands": [ { "command": "vscode-deephaven.runCode", "title": "Run Deephaven File", "icon": "$(run-all)" }, { "command": "vscode-deephaven.runMarkdownCodeblock", "title": "Run Deephaven Markdown Codeblock", "icon": "$(run)" }, { "command": "vscode-deephaven.runSelection", "title": "Run Deephaven Selected Lines", "icon": "$(run)" }, { "command": "vscode-deephaven.selectConnection", "title": "Deephaven: Select Connection" }, { "command": "vscode-deephaven.downloadLogs", "title": "Deephaven: Download Logs" }, { "command": "vscode-deephaven.clearSecretStorage", "title": "Deephaven: Clear Secrets" }, { "command": "vscode-deephaven.copyMcpUrl", "title": "Deephaven: Copy MCP Server URL" }, { "command": "vscode-deephaven.showMcpQuickPick", "title": "Deephaven: Manage MCP Server" }, { "command": "vscode-deephaven.toggleMcp", "title": "Deephaven: Toggle MCP Server" }, { "command": "vscode-deephaven.connectToServer", "title": "Connect to Server", "icon": "$(plug)" }, { "command": "vscode-deephaven.connectToServerOperateAs", "title": "Connect to Server as Another User", "icon": "$(account)" }, { "command": "vscode-deephaven.createWorker", "title": "Create Worker", "icon": "$(add)" }, { "command": "vscode-deephaven.createNewTextDoc", "title": "New File", "icon": "$(new-file)" }, { "command": "vscode-deephaven.disconnectEditor", "title": "Disconnect Editor", "icon": "$(debug-disconnect)" }, { "command": "vscode-deephaven.disconnectFromServer", "title": "Disconnect from Server", "icon": "$(debug-disconnect)" }, { "command": "vscode-deephaven.disconnectFromWorker", "title": "Disconnect from Worker", "icon": "$(debug-disconnect)" }, { "command": "vscode-deephaven.generateDHEKeyPair", "title": "Generate DHE Key Pair", "icon": "$(key)" }, { "command": "vscode-deephaven.generateRequirementsTxt", "title": "Generate requirements.txt", "icon": "$(cloud-download)" }, { "command": "vscode-deephaven.openInBrowser", "title": "Deephaven: Open in Browser", "icon": "$(globe)" }, { "command": "vscode-deephaven.openVariablePanels", "title": "Open Variable Panels" }, { "command": "vscode-deephaven.refreshVariablePanels", "title": "Refresh Variable Panels", "icon": "$(refresh)" }, { "command": "vscode-deephaven.refreshServerTree", "title": "Refresh Server Tree", "icon": "$(refresh)" }, { "command": "vscode-deephaven.refreshServerConnectionTree", "title": "Refresh Server Connection Tree", "icon": "$(refresh)" }, { "command": "vscode-deephaven.refreshPersistentQueryTree", "title": "Refresh Persistent Queries", "icon": "$(refresh)" }, { "command": "vscode-deephaven.refreshRemoteImportSourceTree", "title": "Refresh Remote Import Source Tree", "icon": "$(refresh)" }, { "command": "vscode-deephaven.createCoreAuthenticatedClient", "title": "Create Core Authenticated Client" }, { "command": "vscode-deephaven.createDHEAuthenticatedClient", "title": "Create DHE Authenticated Client" }, { "command": "vscode-deephaven.searchConnections", "title": "Search Connections", "icon": "$(search)" }, { "command": "vscode-deephaven.searchPersistentQueries", "title": "Search Persistent Queries", "icon": "$(search)" }, {

Truncated for display — read the full file on GitHub.

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GitHub Stars0
CategoryContent
UpdatedNaNy ago
Forks0

Trust signals

68/100

From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.

2 medium1 low