Definition
A hosted MCP server is a Model Context Protocol endpoint operated by a vendor (rather than the user) that an agent attaches with a single config line, gaining typed tools without provisioning infrastructure or managing uptime.
In Depth
Most MCP servers in 2025 were self-hosted: builders ran a Python or Node process locally or on their own infrastructure. Hosted MCP shifts that burden to the vendor — Scavio's mcp.scavio.dev/mcp is the search-API hosted MCP example. The tradeoff is cost (per-credit billing vs $0/mo OSS) versus operational discipline (vendor SLA vs you-own-it). Hosted MCP servers became viable in 2026 once Claude Code, Cursor, VS Code, and Windsurf shipped MCP support that accepted remote URLs with header-based auth. The pattern that emerged: hosted MCP for tools that benefit from the vendor's infrastructure (search APIs, email senders, CRM integrations); self-hosted MCP for tools that need to live close to your data (internal databases, file system, secrets).
Example Usage
The team attached Scavio's hosted MCP server with one command and the agent immediately gained six typed tools (search, reddit_search, youtube_search, amazon_search, walmart_search, extract) without provisioning a single server.
Platforms
Hosted MCP Server is relevant across the following platforms, all accessible through Scavio's unified API:
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