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rocket-catchup

rocket-catchup is a skill for Claude Code, Codex from jeanfbrito/rocket-cli. It costs 120 tokens per session (898 once invoked), scanned A, original, MIT.

A skill for recapping one Rocket.Chat room or discussion thread. Rocket.Chat is a team messaging platform, and the skill reads available message history before summarizing it.

In plain words
What is it for?
Use it to summarize a named channel, direct message, or thread, explain what happened, and state how much message history was available.
Why use it?
It helps someone catch up on a specific conversation without reading the entire room or thread themselves.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

not rated 3repo 2mo ago A scan 120 tokens original MIT

Good fit Use it to summarize a named channel, direct message, or thread, explain what happened, and state how much message history was available.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jeanfbrito/rocket-cli/rocket-catchup
View source ↗ jeanfbrito/rocket-cli
Install

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.

Any agent
npx skills add jeanfbrito/rocket-cli --skill rocket-catchup
Clone the repo
git clone --depth 1 https://github.com/jeanfbrito/rocket-cli

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for rocket-catchup

README.md
[![agentmods](https://agentmods.dev/badge/skills/jeanfbrito/rocket-cli/rocket-catchup/github.svg)](https://agentmods.dev/skills/jeanfbrito/rocket-cli/rocket-catchup)
Your own site
<a href="https://agentmods.dev/skills/jeanfbrito/rocket-cli/rocket-catchup"><img src="https://agentmods.dev/badge/skills/jeanfbrito/rocket-cli/rocket-catchup/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for rocket-catchup

Your own site · 80×15
<a href="https://agentmods.dev/skills/jeanfbrito/rocket-cli/rocket-catchup"><img src="https://agentmods.dev/badge/skills/jeanfbrito/rocket-cli/rocket-catchup.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 120 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 898 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00120 $0.00898
Opus 5.5 $0.00048 $0.00359
Sonnet 5.5 $0.00024 $0.00180
Haiku 4.5 $0.00012 $0.00090

Measured 1mo ago against content hash c044db0140cf, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

rocket-catchup scanned grade A with 0 findings 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 1mo 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/rocket-catchup/SKILL.md · 33 lines

How it starts

The opening of the file, as written. The whole thing — 33 lines — stays where its author put it; the contents beside it link to each section on GitHub.

rocket-catchup

Recap a single named room or thread. Bounded read, honest about how far back the cache reaches.

Transport

  • Prefer MCP tools when connected: list_rooms, get_messages, list_threads, get_thread_messages, sync_history.
  • Otherwise shell out: rocket-cli rooms --json, rocket-cli messages <room> --json, rocket-cli threads <room> --json, rocket-cli thread <id> --json, rocket-cli sync [room].
  • Multi-server: --profile <name> (CLI) or ROCKET_CLI_PROFILE (MCP env).

Workflow

  1. Resolve the room. If the user named it precisely (#general, @alice, an id), pass it straight to get_messages — its room arg accepts id, #channel, @username, name, or display name. If the name is fuzzy or ambiguous, call list_rooms with filter (and type = channel/group/dm) first and confirm the match.
  2. Read the window. Call get_messages (params: room, count 1-100 default 30, before/after ISO-8601 for paging, includeSystem default false). Newest-first. The response is an envelope with room, syncedThrough, coverage, and possibly refreshing: true.
  3. State coverage honestly. Summarize only what syncedThrough / coverage actually span. Never imply you've read the whole channel's history if the cache only reaches back e.g. 30 messages / a few hours. If refreshing: true, note the data may be seconds stale.
  4. Go deeper only on demand. Use sync_history ONLY when the user explicitly asks beyond the cached window ("the last month", "since last Tuesday"). Params: room (omit = most stale unread room — but here always pass the room), depth (1-5000, additional older messages). After it completes, re-read with get_messages using before/after. Never call sync_history ambiently to "be thorough".
  5. Handle threads when the content is thread-shaped. Thread parents in get_messages carry a replyCount — those are conversations, not one-offs.
    • For a broad room recap with active discussions: list_threads (params: room, count 1-100 default 25, text filter) to enumerate active threads, then get_thread_messages (params: threadId, count 1-200 default 50) on the ones worth summarizing.
    • If the user pointed at a thread specifically ("summarize this thread"), go straight to get_thread_messages with its parent id (a pasted message link also works as threadId).
  6. Summarize with permalinks. Group by topic/thread. For each key point, include the permalink to the anchoring message so the user can jump straight in. Call out decisions, open questions, and anything that names or pings the user.

Read the full file on GitHub · 33 lines

Changes

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.

  1. 1mo ago First seen · 33 lines · 120 tokens per session scan A c044db0140cf

Subscribe to this mod's changes

rocket-catchup is a skill published in the GitHub repository jeanfbrito/rocket-cli (3 stars, last pushed 2mo ago), licensed MIT. It adds 120 tokens to every session and 898 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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