Ferritin - Rust documentation MCP Server

[ci]: https://github.com/jbr/ferritin/actions?query=workflow%3ACI [ci-badge]: https://github.com/jbr/ferritin/workflows/CI/badge.svg. It is available as a remote MCP endpoint.

Teams that want a hosted documentation endpoint instead of running a local process. The project is written in Rust.

VERIFIED ACTIVE

LAST COMMIT 2026-08-24 · ★ 36 · #108 OF 183 MAINTAINED DOCUMENTATION · VERIFIED 2026-08-25

Apache-2.0 · Rust servers · how we verify → /methodology

01 · Install Ferritin - Rust documentation

Claude Code

claude mcp add jbr-ferritin --transport http https://ferritin.rs/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "jbr-ferritin": {
      "url": "https://ferritin.rs/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://ferritin.rs/mcp

transport: streamable-http

endpoint alive - responded to MCP initialize · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to ferritin.rs

endpoint auth accepted our unauthenticated MCP initialize - no credentials needed to connect

license Apache-2.0 - declared in the repository

registry vendor namespace rs.ferritin - domain-verified with the official MCP registry

03 · What Ferritin - Rust documentation can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

ferritin-v0.17.0 · 2026-08-07

Added · improve display of trait impls · improve rendering of generics · (serve) crate search as the query surface - /api/crates and crateless MCP search · (serve) match typeahead queries against stemmed crate…

rustdoc-mcp-v0.10.0 · 2026-08-07

Added · improve display of trait impls · improve rendering of generics · (serve) crate search as the query surface - /api/crates and crateless MCP search · Other · update snaps to rustc 1.99.0-nightly (7608eb7b0…

ferritin-v0.16.0 · 2026-07-30

Added · update format version to 61 · log the mcp tool call · (design) redesign web ui · (serve) add og tags · add /~mcp · MCP HTTP endpoint (/mcp) exposing get and search as tools · Other · update/upgrade deps…

04 · Who maintains Ferritin - Rust documentation

Ferritin - Rust documentation is maintained by jbr. It's the only MCP server we track from this author; the repo dates to Jul 2025.

05 · Facts

repository: github.com/jbr/ferritin
website: https://ferritin.rs/
category: documentation - ranked #108 of 183 actively-maintained documentation servers as of 2026-08-25.
release cadence: 10+ releases in the last 90 days (latest 2026-08-07)
registry: rs.ferritin/rustdoc (active, first published 2026-07-22 · 2 versions)

06 · Ferritin - Rust documentation FAQ

What is Ferritin - Rust documentation?

[ci]: https://github.com/jbr/ferritin/actions?query=workflow%3ACI [ci-badge]: https://github.com/jbr/ferritin/workflows/CI/badge.svg. It is available as a remote MCP endpoint.

Is Ferritin - Rust documentation still maintained?

Yes - as of 2026-08-25, its last commit was 2026-08-24 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Ferritin - Rust documentation?

Run `claude mcp add jbr-ferritin --transport http https://ferritin.rs/mcp`. You can also paste the ready-made client config above.

Does Ferritin - Rust documentation require authentication?

No - the endpoint accepted our unauthenticated MCP initialize when probed on 2026-08-25; you can connect without credentials.

07 · Alternatives to Ferritin - Rust documentation

Alternatives to Ferritin - Rust documentation

Maintained documentation servers if Ferritin - Rust documentation isn't the fit.

Pairs well with

Servers that cover what Ferritin - Rust documentation doesn't - only shown when the pairing reason fits the companion.

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