SSvelte MCP (official)

Tested npm @sveltejs/mcp 0.1.30 (repo sveltejs/ai-tools, 337 GitHub stars when tested; registry name dev.svelte/mcp), started over stdio. Its 4 tools listed without credentials. Real calls (no LLM, no credentials): list-sections returned the Svelte/SvelteKit docs section index and get-documentation returned the '$state' docs page. svelte-autofixer and playground-link were not called. The npm README is a short pointer to the docs site, so README-based docs checks score low.
Tool-call test (2026-11-05, direct MCP stdio client, no LLM): pass. 2 of 2 read-only calls passed: list-sections and get-documentation. No credentials. Evidence: local test run, Nov 5, 2026.

Transport (tested 2026-11-05): stdio

Tested version: 0.1.30 · tested 2026-11-05

Score 90/100 · Tools 4 · Token cost approx. 1,181 tokens · Compare · Last tested 2026-11-05 · Version tested 0.1.30 · Package @sveltejs/mcp · Repo sveltejs/ai-tools

Summary: Svelte MCP (official) completed an MCP handshake without credentials and exposed 4 tools.

Evidence summary

Handshake

pass

Tools listed

4

Context cost

approx. 1181 tokens, cl100k estimate (4 tools, measured 2026-11-11, version 0.1.30; an estimate) ranking · add up your servers' context cost

API key

No key needed for the tools we called

Tested

2026-11-05

Test results

Local-model readiness

Token cost (estimate): approx. 1181 tokens, cl100k estimate for 4 tools · about 14% of an 8k context. This is an estimate from our testing (counted with cl100k_base).

Small-model friendly (schema heuristic, not a model result): unknown.

What we tested and what we didn't

Methodology: how we test. A high score means it installs and responds, not that giving it access to your data carries no risk.

{
  "name": "@sveltejs/mcp",
  "version": "0.1.30",
  "registry": "npm",
  "status": "working",
  "tested": "2026-11-05",
  "tools_count": 4,
  "deprecated": false,
  "archived": false,
  "tests": {
    "install": [
      "pass",
      20,
      "`npm install @sveltejs/mcp` (Node 20, Linux) succeeded in 2s."
    ],
    "handshake": [
      "pass",
      30,
      "MCP `initialize` + `tools/list` over stdio succeeded with no credentials; 4 tools listed in 12.7s."
    ],
    "maintenance": [
      "pass",
      25,
      "Repo pushed 0 days before test; 337 GitHub stars."
    ],
    "docs": [
      "partial",
      5,
      "install instructions present. Check of the package's own README (README shipped in npm package)."
    ],
    "license": [
      "pass",
      10,
      "MIT (OSI-approved)."
    ]
  }
}

Install

npx -y @sveltejs/mcpCopy

Pin the version we tested

npx -y @sveltejs/mcp@0.1.30Copy

tested 2026-11-05. Newer versions may differ and were not tested by us.

{
  "mcpServers": {
    "svelte-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sveltejs/mcp@0.1.30"
      ]
    }
  }
}

Tools listed

get-documentation, list-sections, playground-link, svelte-autofixer

Tool history: captured Nov 11, 2026. All tool history.

Quick config

{
  "mcpServers": {
    "svelte-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sveltejs/mcp"
      ]
    }
  }
}

Add to config Opens the config generator with this server selected.

{
  "mcpServers": {
    "svelte-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sveltejs/mcp"
      ]
    }
  }
}

Related: Best dev MCP servers

FAQ

Is Svelte MCP deprecated?

No. @sveltejs/mcp was not deprecated or archived when we last tested it on 2026-11-05.

What replaces Svelte MCP?

Nothing; Svelte MCP (official) is not deprecated as of 2026-11-05.

Does Svelte MCP need an API key?

No. It completed an MCP handshake with no credentials and listed 4 tools.

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