Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/therohitdas/slkcli/slkclinpx skills add therohitdas/slkcli --skill slkcligit clone --depth 1 https://github.com/therohitdas/slkcliWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00127 | $0.01351 |
| Opus 5 | $0.00063 | $0.00675 |
| Sonnet 5 | $0.00025 | $0.00270 |
| Haiku 4.5 | $0.00013 | $0.00135 |
Grade C, and why
slack-personal scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Harvests environment variableshighData exfiltration
Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.
- **Always Allow** — permanent, no future prompts (convenient but any process running as your user can extract credentials silently) How it starts
The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.
slk — Slack CLI
Session-based Slack CLI for macOS. Auto-authenticates from the Slack desktop app — no tokens, no OAuth, no app installs. Acts as your user (xoxc- session tokens).
Commands
# Auth
slk auth # Test authentication, show user/team
# Read
slk channels # List channels (alias: ch)
slk dms # List DM conversations with IDs (alias: dm)
slk read <channel> [count] # Read recent messages, default 20 (alias: r)
slk read @username [count] # Read DMs by username
slk read <channel> --threads # Auto-expand all threads
slk read <channel> --from 2026-02-01 # Date range filter
slk thread <channel> <ts> [count] # Read thread replies, default 50 (alias: t)
slk search <query> [count] # Search messages across workspace
slk users # List workspace users (alias: u)
# Activity
slk activity # All channels with unread/mention counts (alias: a)
slk unread # Only unreads, excludes muted (alias: ur)
slk starred # VIP users + starred items (alias: star)
slk saved [count] [--all] # Saved for later items (alias: sv)
slk pins <channel> # Pinned items in a channel (alias: pin)
# Write
slk send <channel> <message> # Send a message (alias: s)
slk upload <channel> <file> [caption] # Upload and share a file
slk react <channel> <ts> <emoji> # React to a message
# Drafts (synced to Slack editor UI)
slk draft <channel> <message> # Draft a channel message
slk draft thread <ch> <ts> <message> # Draft a thread reply
slk draft user <user_id> <message> # Draft a DM
slk drafts # List active drafts
slk draft drop <draft_id> # Delete a draft
Channel accepts name (general), ID (C08A8AQ2AFP), @username for DMs, or user ID (U07RQTFCLUC).
Auth
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 102 lines · 127 tokens per session scan C 964b6548a3e2
slack-personal is a skill published in the GitHub repository therohitdas/slkcli (12 stars, last pushed 12d ago), licensed MIT. It adds 127 tokens to every session and 1,351 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it C with 1 finding (harvests environment variables). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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