Agent skill

Comms

by grandamenium in grandamenium/cortextos

A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE.

MITAuto-check passed

Install Comms

skills CLI
$ npx skills add grandamenium/cortextos --skill comms -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install grandamenium/cortextos comms --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/grandamenium/cortextos.git skills-src && mkdir -p .claude/skills && cp -r skills-src/community/skills/comms .claude/skills/comms && rm -rf skills-src

Use ~/.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/

Facts

Skill name
comms
GitHub stars
101
Token cost
~602 tokens
SKILL.md length
219 words
Files
1
Skills in repo
55
Repo updated
First seen
Licence
MIT

At a glance

A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE.

  • Works in 4 steps: Read every message block in the injected… → For each message, take action or respond… → For agent messages, always include the… → …
  • SKILL.md covers Message Format, What To Do, Priority and Waiting for a Response, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Comms is an agent skill from grandamenium/cortextos. A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE. Read it, decide what action to take, and reply using the command shown in the message header. If it is from the user, they are waiting for your response right now. If it is from another agent, they may be blocked on your reply. Handle all messages before returning to other work.

Its SKILL.md is about 600 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

  • “/comms”

Workflow steps

4 steps, taken from the first numbered list in SKILL.md.

  1. Read every message block in the injected content
  2. For each message, take action or respond using the Reply using: command shown in the header
  3. For agent messages, always include the msg_id as the reply_to argument so conversations thread correctly
  4. The fast-checker handles temp file cleanup automatically

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.

    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

Comms loads about 602 tokens when it runs. Until then it costs about 106 tokens; SKILL.md has 219 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~106
When it runs · the whole SKILL.md, loaded when a task matches
~602

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). 219 words, ~602 tokens.

Download SKILL.mdSave it as .claude/skills/comms/SKILL.md (or your agent's skills folder).
name
comms
description
A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE. Read it, decide what action to take, and reply using the command shown in the message header. If it is from the user, they are waiting for your response right now. If it is from another agent, they may be blocked on your reply. Handle all messages before returning to other work.
triggers
=== TELEGRAM, === AGENT MESSAGE, message received, incoming message, reply to, telegram from, agent message from, fast-checker, message injected, respond to…

Handling Incoming Messages

Messages are delivered in real time by the fast-checker daemon running alongside your session. You will see them appear in your input as formatted blocks.

Message Format

=== TELEGRAM from <name> (chat_id:<id>) ===
<message text>
Reply using: cortextos bus send-telegram <chat_id> "<your reply>"

=== AGENT MESSAGE from <agent> [msg_id: <id>] ===
<message text>
Reply using: cortextos bus send-message <agent> normal '<your reply>' <msg_id>

What To Do

  1. Read every message block in the injected content
  2. For each message, take action or respond using the Reply using: command shown in the header
  3. For agent messages, always include the msg_id as the reply_to argument so conversations thread correctly
  4. The fast-checker handles temp file cleanup automatically

Priority

  • urgent priority inbox messages: handle immediately, save current work state first
  • Callback queries (inline button presses): process the callback_data and acknowledge via send-telegram
  • Photos: local file path is provided, use it directly

Waiting for a Response

If you send a Telegram message that asks a question and you need the answer before continuing your work, you MUST end your current response entirely (stop all tool execution, produce no more output). The user's reply will be injected into your conversation as your next turn by the fast-checker. If you keep executing tools after sending the question, the reply gets queued by Claude Code and you will never see it until your turn ends. End your turn, and the reply arrives.

Done

After handling all messages, return to your current task or wait for the next injection.

© 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/comms of grandamenium/cortextos.

Open the folder on GitHubat commit 6f93838

Compare with similar skills

Comms 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.

Comms compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Comms this skillgrandamenium/cortextos101—~602Automated safety check: PassMIT
Perform Tasktelegramdesktop/tdesktop33k2 repos~3kAutomated safety check: PassGPL-3.0
Custom Mode Creator for claude-memthedotmack/claude-mem99k—~2.4kAutomated safety check: PassApache-2.0
Dependency Watchtelegramdesktop/tdesktop33k—~2.2kAutomated safety check: PassGPL-3.0
Continuetelegramdesktop/tdesktop33k2 repos~9.4kAutomated safety check: PassGPL-3.0
Process InboxTDesktop-x64/tdesktop3k1 repos~4.3kAutomated safety check: PassGPL-3.0

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Works with

Questions about Comms

What does Comms do?

A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE. Comms is an agent skill from grandamenium/cortextos. A message has just arrived in your session from the fast-checker daemon — you see a block starting with === TELEGRAM or === AGENT MESSAGE.

How do I install Comms in Claude Code?

Run `npx skills add grandamenium/cortextos --skill comms -a claude-code`. Or copy the skill folder (community/skills/comms in grandamenium/cortextos) into .claude/skills/comms in your project. Claude Code loads it when a task matches its description.

How do I install Comms in Codex?

Run `npx skills add grandamenium/cortextos --skill comms -a codex`. Or copy the skill folder (community/skills/comms in grandamenium/cortextos) into .agents/skills/comms in your project. Codex loads it when a task matches its description.

Can I use Comms 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 comms -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/comms, .gemini/skills/comms, .github/skills/comms and .opencode/skills/comms in your project.

What does Comms need to run?

SKILL.md names no scripts, command-line tools or credentials: Comms is instructions for the agent only.

Does Comms 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 Comms 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 Comms use?

Comms 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 Comms use?

About 602 tokens (SKILL.md is roughly 2.4k 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 Comms?

Skills that share tags, products or a category with Comms: Perform Task (telegramdesktop/tdesktop, 33k stars), Custom Mode Creator for claude-mem (thedotmack/claude-mem, 99k stars), Dependency Watch (telegramdesktop/tdesktop, 33k 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 Comms?

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.