Read, search, and navigate IETF RFCs from your terminal.

From JSR:

deno install -g -A --name rfc jsr:@dgellow/rfc/cli

From source:

git clone https://github.com/dgellow/rfc && cd rfc
deno task install

rfc                      Interactive TUI
rfc <number>             Read in $PAGER
rfc search <query>       Search RFCs
rfc info <number>        Show metadata
rfc sync                 Download all RFCs via rsync
rfc sync --index         Refresh the index only
rfc list                 List cached RFCs
rfc path <number>        Print local file path

Free text and structured queries, powered by SQLite FTS5:

rfc search HTTP/2
rfc search author:fielding
rfc search status:standard wg:httpbis
rfc search year:2022 TLS

CLI output is colored by default. Respects $NO_COLOR. Use --no-color to disable.

rfc with no arguments opens an interactive browser.

• / to search, j/k to navigate, Enter to open
• Tab to filter by status, s to cycle sort order
• i for metadata panel, ? for full keybindings
• In-document search, cross-reference navigation, history

Supports vim (default) and emacs keybindings. Set RFC_KEYMAP=emacs.

import { ensureIndex, getRfc, search } from "jsr:@dgellow/rfc";

const db = await ensureIndex();
const { results } = search(db, "HTTP semantics", { orderBy: "relevance" });

RFCs are cached locally in ~/.cache/rfc/ (Linux) or ~/Library/Caches/rfc/ (macOS). The index is fetched from rfc-editor.org on first run and refreshed daily. Individual RFCs are fetched on demand and cached permanently.

• Deno
• @dgellow/weew — TUI
• @libs/xml — XML parsing
• @db/sqlite — SQLite + FTS5