rdt-cli

Apps & Automation

Use rdt-cli for ALL Reddit operations — browsing feeds, reading posts, searching, viewing users, upvoting, saving, and subscribing. Invoke whenever the user requests any Reddit interaction.

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rdt-cli — Reddit CLI Tool

Binary: rdt Credentials: browser cookies (auto-extracted via browser-cookie3)

Setup

# Install (requires Python 3.10+)
uv tool install rdt-cli
# Or: pip install rdt-cli

# Upgrade
uv tool upgrade rdt-cli

Authentication

IMPORTANT FOR AGENTS: Before executing ANY rdt command that requires auth, check if credentials exist.

Step 0: Check if already authenticated

rdt status --json 2>/dev/null | jq -r '.data.authenticated' | grep -q true && echo "AUTH_OK" || echo "AUTH_NEEDED"

If AUTH_OK, skip to Command Reference. If AUTH_NEEDED, proceed to Step 1.

Step 1: Guide user to authenticate

Ensure user is logged into reddit.com in a supported browser (Chrome, Firefox, Edge, Brave, Arc, Chromium, Opera, Vivaldi, Safari, LibreWolf). Then:

rdt login

Verify with:

rdt status
rdt whoami --json | jq '.data.name // .data._session.username'

Step 2: Handle common auth issues

Symptom	Agent action
`No Reddit cookies found`	Guide user to login to reddit.com in browser
`Session expired`	Run `rdt logout && rdt login`
`database is locked`	Close browser, then retry

Agent Defaults

All machine-readable output uses the envelope documented in SCHEMA.md. Payloads live under .data.

Non-TTY stdout → auto YAML
--json / --yaml → explicit format
--compact → fewer fields (agent token-efficient)
--output file.json → save structured output to file
Rich output → stderr (safe for pipes: rdt search X --json | jq .data)
Most read commands work without auth (public Reddit JSON API)
Write actions (upvote, save, subscribe) require auth + built-in 1.5-4s delay

Command Reference

Browsing

Command	Description	Example
`rdt feed`	Browse home feed (requires login)	`rdt feed -n 10 --json`
`rdt feed --subs-only`	Subscriptions-only feed (no algorithm, sorted by time)	`rdt feed --subs-only -n 5 --json`
`rdt popular`	Browse /r/popular	`rdt popular -n 5 --json`
`rdt all`	Browse /r/all	`rdt all -n 10 --compact --json`
`rdt sub <name>`	Browse a subreddit	`rdt sub python -s top -t week`
`rdt sub-info <name>`	View subreddit info	`rdt sub-info rust --json`
`rdt user <name>`	View user profile	`rdt user spez --json`
`rdt user-posts <name>`	View user's posts	`rdt user-posts spez -n 5 --json`
`rdt user-comments <name>`	View user's comments	`rdt user-comments spez -n 5 --json`
`rdt saved`	View your saved items	`rdt saved -n 10 --json`
`rdt upvoted`	View your upvoted posts	`rdt upvoted -n 10 --json`
`rdt open <id_or_index>`	Open post in browser	`rdt open 3`

Reading

Command	Description	Example
`rdt read <post_id>`	Read a post + comments	`rdt read 1abc123 --json`
`rdt read <post_id> --expand-more`	Expand top-level `more comments`	`rdt read 1abc123 --expand-more --json`
`rdt show <index>`	Read by short-index	`rdt show 3`
`rdt show <index> --expand-more`	Expand `more comments` from cached result	`rdt show 3 --expand-more --json`
`rdt whoami`	View your profile (karma, age)	`rdt whoami --json`

Search & Export

Command	Description	Example
`rdt search <query>`	Search posts	`rdt search "python async" -s top -t year`
`rdt search <query> -r <sub>`	Search in subreddit	`rdt search "error" -r rust --json`
`rdt search <query> -o f.json`	Search + save to file	`rdt search "ML" -n 50 -o results.json`
`rdt export <query>`	Export to CSV/JSON	`rdt export "ML" -n 50 -o results.csv`

Interactions (require auth)

Command	Description	Example
`rdt upvote <id_or_index>`	Upvote	`rdt upvote 3`
`rdt upvote <id> --down`	Downvote	`rdt upvote 3 --down`
`rdt upvote <id> --undo`	Remove vote	`rdt upvote 3 --undo`
`rdt save <id_or_index>`	Save post	`rdt save 3`
`rdt save <id> --undo`	Unsave	`rdt save 3 --undo`
`rdt subscribe <sub>`	Subscribe	`rdt subscribe python`
`rdt subscribe <sub> --undo`	Unsubscribe	`rdt subscribe python --undo`
`rdt comment <id> <text>`	Post a comment	`rdt comment 3 "Great post!"`

Account

Command	Description
`rdt login`	Extract cookies from browser
`rdt logout`	Clear cached cookies
`rdt status`	Check authentication status
`rdt whoami`	View detailed profile info

Listing Options

All listing commands (feed, popular, all, sub, user-posts, user-comments, saved, upvoted, search) support:

Flag	Description
`--json`	JSON output (with SCHEMA envelope)
`--yaml`	YAML output (with SCHEMA envelope)
`-o, --output FILE`	Save structured output to file
`--full-text`	Show full title without truncation
`-c, --compact`	Agent-friendly compact output (fewer fields)

Feed-specific Options

Flag	Description
`--subs-only`	Show only posts from subscribed subreddits (sorted by time, no algorithm)
`--max-subs N`	Max subscriptions to fetch (default: 20)

Agent Workflow Examples

Browse → Read → Upvote pipeline

rdt sub python -s top -t week -n 5
rdt show 1 --expand-more
rdt upvote 1

Search → Export pipeline (structured)

rdt search "machine learning" -s top --compact --json | jq '.data'
rdt export "machine learning" -n 100 -o ml_posts.csv

Search → Save to file

rdt search "rust async" -n 50 -o results.json
rdt search "python tips" -n 20 --compact -o tips.json

User research

rdt user spez --json | jq '.data | {name, link_karma, comment_karma}'
rdt user-posts spez -n 10 --compact --json
rdt user-comments spez -n 10 --compact --json

Saved / Upvoted review

rdt saved -n 20 --compact --json
rdt upvoted -n 20 --compact --json

Subscriptions-only monitoring

rdt feed --subs-only -n 5 --compact --json
rdt feed --subs-only --max-subs 10 -o subs_feed.json

Subreddit discovery

rdt sub-info python --json | jq '.data | {subscribers, accounts_active}'
rdt sub python -s top -t month -n 5 --full-text

Sort Options

Listing sort: hot, new, top, rising, controversial, best
Search sort: relevance, hot, top, new, comments
Time filter (for top/controversial): hour, day, week, month, year, all
Comment sort: best, top, new, controversial, old, qa

Error Codes

Structured error codes returned in the error.code field (see SCHEMA.md):

not_authenticated — cookies expired or missing
rate_limited — too many requests
not_found — subreddit/user/post does not exist
forbidden — private subreddit or blocked user
api_error — upstream Reddit API error
unknown_error — unexpected error

Limitations

No DMs — cannot access private messages
No live/streaming — live features not supported
No media download — cannot download images/videos
Single account — one set of cookies at a time
Rate limited — built-in Gaussian jitter (~1s) between requests
Public API only — uses .json suffix API, not OAuth endpoints

Anti-Detection Notes for Agents

Do NOT parallelize requests — the built-in rate-limit delay is for account safety
Write operation delay: 1.5-4s random delay after each write (upvote/save/subscribe/comment)
Batch operations: add delays between CLI calls when doing bulk work
Chrome 133 fingerprint: all requests use consistent browser identity
Exponential backoff: 429/5xx errors are auto-retried with backoff

Safety Notes

Do not ask users to share raw cookie values in chat logs
Prefer browser cookie extraction over manual secret copy/paste
If auth fails, ask the user to re-login via rdt login
Built-in rate-limit delay protects accounts; do not bypass it