mcp-svelte-docs
An MCP (Model Context Protocol) server that provides a single tool to look up authoritative Svelte 5/SvelteKit definitions extracted from TypeScript declarations, with caching and fuzzy matching for identifier queries.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
No auth/TLS guarantees are described; MCP is likely local stdio transport, reducing network exposure but not eliminating risk from running untrusted npm packages. Includes a SQLite dependency (better-sqlite3) for caching; ensure local file permissions and avoid running with elevated privileges. No details provided about logging of queries or secret handling.
⚡ Reliability
Best When
You want assistant-integrated, type-driven reference lookups for Svelte 5 concepts during development or migration.
Avoid When
You need guaranteed up-to-date content without verifying source extraction, or you require OAuth/user-scoped access controls.
Use Cases
- • Get syntax/quick/full documentation for Svelte 5 runes and concepts inside an MCP-capable assistant
- • Answer Svelte 4-to-5 migration questions with structured guidance
- • Provide type-signature-level reference for Svelte template features (e.g., snippets, await expressions, remote functions)
- • Reduce documentation lookup latency via built-in caching
Not For
- • Direct execution of Svelte code or project scaffolding
- • Authoritative legal/compliance guidance (it’s documentation lookup)
- • Production API usage requiring REST/GraphQL interfaces
Interface
Authentication
No authentication is described in the provided README/manifest; MCP server is likely run locally via stdio (npx).
Pricing
Appears to be an MIT-licensed npm package; costs would be environment/hosting-related for your own usage, not described by the package.
Agent Metadata
Known Gotchas
- ⚠ Single-tool design means correct identifier selection is important; fuzzy matching exists but may still return unexpected related concepts for ambiguous queries.
- ⚠ Response size depends on requested format (syntax/quick/full); agents should choose a smaller format for brief answers.
- ⚠ Because it’s extracted from TypeScript declarations, behavior depends on the bundled/installed version of the underlying definitions/cached data.
Alternatives
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Scores are editorial opinions as of 2026-03-30.