Automated summary
Enables Claude Code sessions to communicate with each other using the nclaude tool for multi-agent task coordination.
Strengths
- Simplified coordination across multiple Claude sessions
- Real-time progress updates and information sharing
- Clear role identification via descriptive session IDs
- Native integration with Bash and Read tools
Limitations
- Requires all sessions to run on the same machine or have access to the same nclaude script
- Messages are not persisted outside the session context
- No built-in encryption or authentication
Use this skill when you decompose a large project into subtasks executed by separate Claude agents and need synchronization.
Avoid using it for simple single-session communications or when message security is critical.
Security analysis
SafeThe skill only runs a local Python script for inter-session messaging. There are no destructive commands, network exfiltration, or obfuscation. The script is invoked without piping or shell injection risks. The allowed tools (Bash, Read) are used for legitimate coordination purposes.
No concerns found
How this analysis is madeExamples
Send a message to session 'claude-backend' saying 'Frontend login page is ready. Please expose the /api/login endpoint.'Read all new messages from session 'claude-frontend' to see if there are updates from the frontend agent.Send a message to session 'claude-lead' saying 'Blocked: dependency package X is missing. Can you install it?'name: nclaude-chat description: Communicate with other Claude Code sessions via nclaude. Use when coordinating multi-agent tasks, sharing progress updates, requesting help from other sessions, or collaborating on parallel work. allowed-tools: Bash, Read
NClaude Chat Skill
Use this skill to send and receive messages between Claude Code sessions.
When to Use
- Coordinating work across multiple Claude sessions
- Sharing progress updates with other agents
- Requesting information or assistance from another session
- Announcing task completion or blockers
Commands
Send a message
python3 ${CLAUDE_PLUGIN_ROOT}/scripts/nclaude.py send "SESSION_ID" "Your message here"
Read new messages
python3 ${CLAUDE_PLUGIN_ROOT}/scripts/nclaude.py read "SESSION_ID"
Read all messages (including previously read)
python3 ${CLAUDE_PLUGIN_ROOT}/scripts/nclaude.py read "SESSION_ID" --all
Check chat status
python3 ${CLAUDE_PLUGIN_ROOT}/scripts/nclaude.py status
Session ID
Use a descriptive session ID that identifies your role:
claude-frontend- Working on frontend codeclaude-backend- Working on backend/APIclaude-tests- Running testsclaude-review- Code review agent
Or use the NCLAUDE_ID environment variable if set.
Message Format
Messages are logged as: [TIMESTAMP] [SESSION_ID] MESSAGE
Example Workflow
- Session A:
send "claude-api" "Starting API endpoint implementation for /users" - Session B:
read "claude-frontend"to see the message - Session B:
send "claude-frontend" "API ready at /api/users, please integrate" - Session A:
read "claude-api"to see the reply
From the file to a first result
The download contains exactly the content displayed on this page. This copy may differ from the latest version in the source repository.
View the source and supporting filesThis download contains SKILL.md only. Any scripts, references, templates and dependencies are not included. Get the required files from the source, preserving their directory structure, before continuing.
1. Download the file
Download SKILL.mdFrom the root of a test project, save the file as .skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md, or use the command below. This folder is for inspecting the skill before installation.
Command for macOS/Linux or WSL: requires a POSIX shell and curl. On Windows without WSL, use the download button and create the folder manually.
mkdir -p '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1' && curl --fail --show-error --location 'https://skills-guides.com/api/skills/nclaude-chat-multi-session-communication-mm5t8aq1/download' --output '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md.part' && mv '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md.part' '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md'2. Check prerequisites
Read SKILL.md before using it. If it references scripts or external services, inspect them and prepare the required access in your test environment.
Tools declared by the author (check availability in your agent): Bash, Read
No recognized prerequisites section in this file. This does not mean it is self-contained: libraries, tools and access requirements may be mentioned elsewhere in the content or source repository.
The platforms on this page are catalog indications. The paths below follow tool documentation; they do not prove this skill has been run in those tools. No minimum tool version is confirmed for this listing.
3. Load the skill
After inspection, copy the complete folder into your project using one of the commands below, then open a new tool session. The command stops if a folder with the same name already exists: compare the files before replacing it.
Claude Code
test -f '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md' && test -s '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md' && mkdir -p '.claude/skills' && test ! -e '.claude/skills/nclaude-chat' && cp -R '.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1' '.claude/skills/nclaude-chat'OpenSkills
OpenSkills must already be installed. The local install/read procedure is checked with OpenSkills 1.5.0, which requires Node.js ≥ 20.6.0. Catalog slugs are not resolved automatically.
Official OpenSkills installationopenskills install './.skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1'openskills read 'nclaude-chat-multi-session-communication-mm5t8aq1'Reading should display the installed file content and its base directory. It does not run the skill or install its dependencies.
For an agent that reads AGENTS.md, then sync the index. This command changes AGENTS.md: review the diff before using it.
openskills syncManual method or another tool: attach SKILL.md to a conversation, or open it in an agent that can read files. Include any required supporting resources. No universal folder is recognized by every tool.
4. Try a first task
Use a short, synthetic input: an API endpoint, a small document or an interface brief. In a new conversation, attach the file or give the agent its path, then adapt this request:
Read .skill-downloads/nclaude-chat-multi-session-communication-mm5t8aq1/SKILL.md and apply its instructions to this example: [describe a test input]. Identify any missing files, dependencies or access. Produce the result requested by the skill without inventing data or running unreviewed scripts.Expected result: output matching the skill instructions, or a precise list of missing prerequisites. A read confirmation alone does not validate a first use. If an external resource is unavailable, that path remains untested.
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