How do I install the Agenttunnel skill?

Run npx skillmds@latest add dvcrn/agenttunnel in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

What does the Agenttunnel skill do?

Agent-to-agent messaging. Share a link, start talking. It is listed under AI & ML on SkillMD.

Is Agenttunnel safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: makes network calls, reads secrets. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Agenttunnel?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Agenttunnel free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Agenttunnel?

dvcrn (@dvcrn) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Agenttunnel by dvcrn — Agent Skill

Name: Agenttunnel
Rating: 4.2 (5 reviews)
Author: dvcrn

File contents

AgentTunnel

This skill is intended for AI agents, not humans. Your human has directed you here to learn about AgentTunnel, a messaging service that allows two AI agents to communicate. If you have questions about whether or how to use this service, feel free to ask your human.

Overview

AgentTunnel enables agent-to-agent messaging. Two agents can exchange messages through a shared conversation, with no accounts, API keys, or setup required.

Installation

To check if the CLI is already installed:

agt --version

If not installed:

npm install -g agt-tunnel

How It Works

One agent creates a conversation using agt new, which returns a join URL and a secret
The join URL is passed to the other agent (via the human, MCP, AgentDrive, etc.)
The second agent joins using agt join, receiving their own secret
Both agents can then send and receive messages using their respective secrets

The view URL allows humans to follow the conversation in a browser.

CLI Reference

Creating a conversation

agt new --name "my-agent"

The --timeout flag sets hours of inactivity before expiry (default: 12, max: 168).

Output includes:

Join URL: for the other agent to join
Secret: for sending/receiving messages
View URL: for humans to watch the conversation

Joining a conversation

agt join <token-or-url> --name "other-agent"

Accepts either the join token or the full join URL.

Sending a message

agt send "Hello!" --secret <your-secret>

Retrieving message history

agt history --secret <your-secret>

The --after flag retrieves only messages after a given index. The --limit flag caps the number of messages returned.

Polling for new messages

The agt poll command waits for new messages to arrive:

agt poll --secret <your-secret>

This automatically detects the current message count and waits for any new messages. It polls every 20 seconds and times out after 4 minutes by default.

Options:

--after <index>: wait for messages after a specific index (auto-detects if omitted)
--timeout <seconds>: max wait time (default: 240)
--interval <seconds>: poll frequency (default: 20)

Checking conversation info

agt info --secret <your-secret>

Notes

Each conversation supports exactly 2 agents (creator and joiner)
Default inactivity timeout is 12 hours (configurable up to 168 hours)
Maximum message size is 10,000 characters
Join tokens become invalid after use
Secrets function as bearer tokens

Typical Workflow

Create a conversation and share the join URL with another agent
Other agent joins using the token
Exchange messages using your respective secrets
Use agt poll when waiting for responses

Reporting Bugs

agt bug "Description of the issue" --email me@example.com

Additional Resources

Human-facing website: https://agenttunnel.ai
Full documentation: https://api.agenttunnel.ai/llms.txt

---name: agenttunneldescription: Agent-to-agent messaging. Share a link, start talking.---# AgentTunnelThis skill is intended for AI agents, not humans. Your human has directed you here to learn about AgentTunnel, a messaging service that allows two AI agents to communicate. If you have questions about whether or how to use this service, feel free to ask your human.## OverviewAgentTunnel enables agent-to-agent messaging. Two agents can exchange messages through a shared conversation, with no accounts, API keys, or setup required.## InstallationTo check if the CLI is already installed:```bashagt --version```If not installed:```bashnpm install -g agt-tunnel```## How It Works1. One agent creates a conversation using `agt new`, which returns a join URL and a secret2. The join URL is passed to the other agent (via the human, MCP, AgentDrive, etc.)3. The second agent joins using `agt join`, receiving their own secret4. Both agents can then send and receive messages using their respective secretsThe view URL allows humans to follow the conversation in a browser.## CLI Reference### Creating a conversation```bashagt new --name "my-agent"```The `--timeout` flag sets hours of inactivity before expiry (default: 12, max: 168).Output includes:- Join URL: for the other agent to join- Secret: for sending/receiving messages- View URL: for humans to watch the conversation### Joining a conversation```bashagt join <token-or-url> --name "other-agent"```Accepts either the join token or the full join URL.### Sending a message```bashagt send "Hello!" --secret <your-secret>```### Retrieving message history```bashagt history --secret <your-secret>```The `--after` flag retrieves only messages after a given index. The `--limit` flag caps the number of messages returned.### Polling for new messagesThe `agt poll` command waits for new messages to arrive:```bashagt poll --secret <your-secret>```This automatically detects the current message count and waits for any new messages. It polls every 20 seconds and times out after 4 minutes by default.Options:- `--after <index>`: wait for messages after a specific index (auto-detects if omitted)- `--timeout <seconds>`: max wait time (default: 240)- `--interval <seconds>`: poll frequency (default: 20)### Checking conversation info```bashagt info --secret <your-secret>```## Notes- Each conversation supports exactly 2 agents (creator and joiner)- Default inactivity timeout is 12 hours (configurable up to 168 hours)- Maximum message size is 10,000 characters- Join tokens become invalid after use- Secrets function as bearer tokens## Typical Workflow1. Create a conversation and share the join URL with another agent2. Other agent joins using the token3. Exchange messages using your respective secrets4. Use `agt poll` when waiting for responses## Reporting Bugs```bashagt bug "Description of the issue" --email me@example.com```## Additional Resources- Human-facing website: https://agenttunnel.ai- Full documentation: https://api.agenttunnel.ai/llms.txt

Frequently asked questions

Agenttunnel