Dependency Watch
telegramdesktop/tdesktop
Audit Telegram Desktop dependencies on freshly fetched origin/dev for releases and security fixes, including upstream lag and backport candidates in patched forks.
You have completed something significant and want the whole org — all agents and the user — to know about it.
MITAuto-check passed
Install Activity Channel
$ npx skills add grandamenium/cortextos --skill activity-channel -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install grandamenium/cortextos activity-channel --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .claude/skills && cp -r skills-src/community/skills/activity-channel .claude/skills/activity-channel && rm -rf skills-srcUse ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.
Claude Code skills documentation · loads skills from .claude/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .claude/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$skill-installer install https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channelType this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.
$ npx skills add grandamenium/cortextos --skill activity-channel -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install grandamenium/cortextos activity-channel --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .agents/skills && cp -r skills-src/community/skills/activity-channel .agents/skills/activity-channel && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .agents/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add grandamenium/cortextos --skill activity-channel -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install grandamenium/cortextos activity-channel --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/community/skills/activity-channel .cursor/skills/activity-channel && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .cursor/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gemini skills install https://github.com/grandamenium/cortextos.git --path community/skills/activity-channel--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add grandamenium/cortextos --skill activity-channel -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install grandamenium/cortextos activity-channel --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/community/skills/activity-channel .gemini/skills/activity-channel && rm -rf skills-srcUse ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.
Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .gemini/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ gh skill install grandamenium/cortextos activity-channelInstalls for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).
$ npx skills add grandamenium/cortextos --skill activity-channel -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .github/skills && cp -r skills-src/community/skills/activity-channel .github/skills/activity-channel && rm -rf skills-srcUse ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.
GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .github/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
$ npx skills add grandamenium/cortextos --skill activity-channel -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install grandamenium/cortextos activity-channel --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/community/skills/activity-channel .opencode/skills/activity-channel && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "activity-channel" agent skill from https://github.com/grandamenium/cortextos/tree/main/community/skills/activity-channel into .opencode/skills/activity-channel/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "activity-channel", then confirm the skill loads.OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.
Facts
- Skill name
activity-channel- GitHub stars
- 101
- Token cost
- ~624 tokens
- SKILL.md length
- 170 words
- Files
- 1
- Skills in repo
- 55
- Repo updated
- First seen
- Licence
- MIT
At a glance
You have completed something significant and want the whole org — all agents and the user — to know about it.
- SKILL.md covers Posting to the Activity Channel, Agent-to-Agent Messages Are…, Direct Telegram vs Activity… and Examples, plus 1 more section
- Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
What it does
Activity Channel is an agent skill from grandamenium/cortextos. You have completed something significant and want the whole org — all agents and the user — to know about it. Or you need to broadcast a status update, a briefing summary, or a coordination announcement that is not directed at one specific agent. Use this skill any time the audience is the entire org rather than a single person or agent.
Its SKILL.md is about 620 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.
It works with Telegram. The licence is MIT.
Example prompts
- “/activity-channel”
What it can do on your machine
Read from SKILL.md and the folder at commit 6f93838. It shows what the files ask for, not the result of running them.
Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md (its code samples are bash).
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.
Context cost
Activity Channel loads about 624 tokens when it runs. Until then it costs about 89 tokens; SKILL.md has 170 words of instructions outside code blocks.
Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.
Safety
Auto-check passed
The automated check found no risky patterns in SKILL.md.
Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.
SKILL.md
The full file from grandamenium/cortextos at commit 6f93838, republished under its MIT licence (© grandamenium). 170 words, ~624 tokens.
Download SKILL.mdSave it as
.claude/skills/activity-channel/SKILL.md (or your agent's skills folder).- name
- activity-channel
- description
- You have completed something significant and want the whole org — all agents and the user — to know about it. Or you need to broadcast a status update, a briefing summary, or a coordination announcement that is not directed at one specific agent. Use this skill any time the audience is the entire org rather than a single person or agent.
- triggers
- post activity, activity channel, broadcast, announce to everyone, org announcement, post to channel, notify all agents, team update, org-wide update, let…
Activity Channel
The activity channel is a shared Telegram group where all agents and the user can observe coordination in real time. Use it for org-wide announcements, not for direct messages to a specific agent.
Posting to the Activity Channel
cortextos bus post-activity "<message>"When to use:
- Announcing a major task completion that affects the whole org
- Broadcasting a status update during the day
- Sharing a briefing summary
- Announcing a system change (new agent online, agent restarting, etc.)
Agent-to-Agent Messages Are Automatically Logged
When you send a message to another agent via send-message, it is automatically logged to the activity channel. You do not need to post-activity separately for those.
Direct Telegram vs Activity Channel
| Use case | Command |
|---|---|
| Private message to user | send-telegram $CTX_TELEGRAM_CHAT_ID |
| Message to a specific agent | send-message <agent> <priority> '<msg>' |
| Org-wide announcement | post-activity "<message>" |
Examples
# Morning briefing summary
cortextos bus post-activity "Morning briefing complete. Today's focus: <goals>. Active agents: <list>."
# Major completion
cortextos bus post-activity "researcher completed competitive analysis — 3 key findings in task task_abc123."
# Agent coming online
cortextos bus post-activity "analyst (sentinel) is online and running nightly metrics."
# System change
cortextos bus post-activity "New agent 'writer' is now online and onboarding."Keep It Signal, Not Noise
Post to the activity channel for things worth the whole org knowing. Don't post every small action — only significant events that affect coordination or that the user would want to see.
© grandamenium, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
Just SKILL.md in community/skills/activity-channel of grandamenium/cortextos.
Open the folder on GitHubat commit 6f93838
Compare with similar skills
Activity Channel next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.
| Skill | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Activity Channel this skillgrandamenium/cortextos | 101 | — | ~624 | Automated safety check: Pass | MIT | |
| Dependency Watchtelegramdesktop/tdesktop | 33k | 1 repos | ~2.2k | Automated safety check: Pass | GPL-3.0 | |
| Perform Tasktelegramdesktop/tdesktop | 33k | 2 repos | ~3k | Automated safety check: Pass | GPL-3.0 | |
| Custom Mode Creator for claude-memthedotmack/claude-mem | 99k | — | ~2.4k | Automated safety check: Pass | Apache-2.0 | |
| Continuetelegramdesktop/tdesktop | 33k | 2 repos | ~9.4k | Automated safety check: Pass | GPL-3.0 | |
| Process Inboxtelegramdesktop/tdesktop | 33k | 1 repos | ~5.4k | Automated safety check: Pass | GPL-3.0 |
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Questions about Activity Channel
What does Activity Channel do?
You have completed something significant and want the whole org — all agents and the user — to know about it. Activity Channel is an agent skill from grandamenium/cortextos. You have completed something significant and want the whole org — all agents and the user — to know about it.
How do I install Activity Channel in Claude Code?
Run `npx skills add grandamenium/cortextos --skill activity-channel -a claude-code`. Or copy the skill folder (community/skills/activity-channel in grandamenium/cortextos) into .claude/skills/activity-channel in your project. Claude Code loads it when a task matches its description.
How do I install Activity Channel in Codex?
Run `npx skills add grandamenium/cortextos --skill activity-channel -a codex`. Or copy the skill folder (community/skills/activity-channel in grandamenium/cortextos) into .agents/skills/activity-channel in your project. Codex loads it when a task matches its description.
Can I use Activity Channel in Cursor, Gemini CLI or GitHub Copilot?
Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add grandamenium/cortextos --skill activity-channel -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/activity-channel, .gemini/skills/activity-channel, .github/skills/activity-channel and .opencode/skills/activity-channel in your project.
What does Activity Channel need to run?
SKILL.md names no scripts, command-line tools or credentials: Activity Channel is instructions for the agent only.
Does Activity Channel access the network?
SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.
Is Activity Channel safe to install?
Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.
What licence does Activity Channel use?
Activity Channel is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Activity Channel use?
About 624 tokens (SKILL.md is roughly 2.5k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.
What are the alternatives to Activity Channel?
Skills that share tags, products or a category with Activity Channel: Dependency Watch (telegramdesktop/tdesktop, 33k stars), Perform Task (telegramdesktop/tdesktop, 33k stars), Custom Mode Creator for claude-mem (thedotmack/claude-mem, 99k stars) and Continue (telegramdesktop/tdesktop, 33k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Activity Channel?
grandamenium (a GitHub user) maintains it in grandamenium/cortextos, which has 101 GitHub stars. The repository holds 55 skills in this directory. The repository was last updated on September 23, 2026.
Source: grandamenium/cortextos on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.