Rust DocsBox
A Model Context Protocol server that gives LLM coding agents typed access to Rust docs, clippy, rustfmt, crates.io and the Rust Playground — over one streamable HTTP endpoint.
Endpoint
POST https://rust-mcp.afterrealism.com/mcpSpeaks MCP streamable HTTP. Add it to OpenCode, Claude Code, Cursor, Continue, etc.
Tools
list_sections
Browse the indexed std + popular crates documentation.
get_documentation
Markdown for a single section path.
clippy_check
Lint a Rust snippet, JSON diagnostics.
clippy_fix
Auto-apply clippy suggestions.
rustfmt
Canonical formatting via rustfmt.
playground_link
Shareable play.rust-lang.org permalink.
playground_run
Execute on the official Playground sandbox.
crate_search
Top crates.io results for a query.
crate_info
Versions, features, deps, repo, docs URL.
rustc_explain
Reference text for a compiler error code.
run_locally
Plan of shell commands for the agent's bash tool.
OpenCode example
{
"mcp": {
"rust-docsbox": {
"type": "remote",
"url": "https://rust-mcp.afterrealism.com/mcp",
"enabled": true
}
}
}