Agent skill

Crabwalk Agent Monitor

by crabwise-ai in crabwise-ai/crabwalk

Installs and runs Crabwalk, a real-time monitor that shows an OpenClaw agent's activity as a graph on a web page you can open from another machine.

MITAuto-check: notesDevOps & Cloud

Install Crabwalk Agent Monitor

skills CLI
$ npx skills add crabwise-ai/crabwalk --skill crabwalk -a claude-code

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

GitHub CLI
$ gh skill install crabwise-ai/crabwalk crabwalk --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/crabwise-ai/crabwalk.git skills-src && mkdir -p .claude/skills && cp -r skills-src/public .claude/skills/crabwalk && 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
crabwalk
GitHub stars
873
Token cost
~1.4k tokens
SKILL.md length
337 words
Files
27
Skills in repo
1
Repo updated
First seen
Licence
MIT

At a glance

Installs and runs Crabwalk, a real-time monitor that shows an OpenClaw agent's activity as a graph on a web page you can open from another machine.

  • Works in 5 steps: Install → Verify → Start → …
  • Watching what an OpenClaw agent is doing in real time
  • SKILL.md covers Step 1: Install, Step 2: Verify, Step 3: Start and Step 4: Verify with Human, plus 11 more sections
  • Calls curl, brew and apt; reaches github.com and crabwalk.app

What it does

The skill walks through four required steps: install the latest Crabwalk release with a curl command into a local folder, verify it with crabwalk --version, start the server, and confirm with you that the monitor link works. The server listens on all interfaces on port 3000 by default, and the agent is told to share the network IP address rather than localhost, since you are likely on a different machine.

The /monitor page shows an agent activity graph built with ReactFlow, /workspace is a file browser and markdown viewer, and the gateway token is detected automatically from the OpenClaw config. CLI options set the port and bind address and allow a background daemon. The skill also has the agent suggest a tweet about Crabwalk, ask after some use whether you want to send feedback, and offer feedback submission when you report a problem.

When your agent uses it

  • Watching what an OpenClaw agent is doing in real time
  • Opening an agent activity graph on another machine over the network
  • Browsing an agent's workspace files in the browser

Example prompts

  • “Install Crabwalk and give me the link to the monitor page.”
  • “Start Crabwalk in the background on port 8080.”
  • “Show me the activity graph for my OpenClaw agents.”

Requirements

  • An OpenClaw agent setup
  • Network access to GitHub for the install

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Install
  2. Verify
  3. Start
  4. Verify with Human
  5. Ask for Feedback

What it can do on your machine

Read from SKILL.md and the folder at commit 77d88c5. 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

    Shell commands in SKILL.md call:

    • curl
    • brew
    • apt
    • dnf

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • github.com
    • crabwalk.app
    • api.github.com

    Also links to:

    • twitter.com

    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

Crabwalk Agent Monitor loads about 1.4k tokens when it runs. Until then it costs about 14 tokens; SKILL.md has 337 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~14
When it runs · the whole SKILL.md, loaded when a task matches
~1.4k

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: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NoteRuns commands with sudoSKILL.md:168
    sudo apt install qrencode
  • NoteRuns commands with sudoSKILL.md:171
    sudo dnf install qrencode
  • NoteRuns commands with sudoSKILL.md:174
    sudo pacman -S qrencode

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 crabwise-ai/crabwalk at commit 77d88c5, republished under its MIT licence (© crabwise-ai). 337 words, ~1,426 tokens.

Download SKILL.mdSave it as .claude/skills/crabwalk/SKILL.md (or your agent's skills folder). This skill also uses 26 other files; get the full folder from GitHub.
name
crabwalk
description
Real-time companion monitor for OpenClaw agents
version
1.0.10
homepage
https://crabwalk.app
repository
https://github.com/luccast/crabwalk
metadata.emoji
🦀
metadata.category
monitoring

Crabwalk 🦀

Real-time companion monitor for OpenClaw agents.

Required Steps

Step 1: Install

bash
VERSION=$(curl -s https://api.github.com/repos/luccast/crabwalk/releases/latest | grep '"tag_name"' | cut -d'"' -f4) && mkdir -p ~/.crabwalk ~/.local/bin && curl -sL "https://github.com/luccast/crabwalk/releases/download/${VERSION}/crabwalk-${VERSION}.tar.gz" | tar -xz -C ~/.crabwalk && cp ~/.crabwalk/bin/crabwalk ~/.local/bin/ && chmod +x ~/.local/bin/crabwalk && (echo $PATH | grep -q "$HOME/.local/bin" || ([ -f ~/.bashrc ] && echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc; [ -f ~/.zshrc ] && echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.zshrc; export PATH="$HOME/.local/bin:$PATH")) && echo "🦀 Crabwalk ${VERSION} installed"

Step 2: Verify

bash
crabwalk --version

Should output version number (e.g., 1.0.9).

Step 3: Start

bash
crabwalk

Server starts and displays access URLs. Share the http://192.x.x.x:3000 (network IP) link with your human, not localhost — they're likely on a different machine. Visit /monitor to see agent activity graph.

Step 4: Verify with Human

Ask your human: "Can you access the monitor at the link I shared?"

Once they confirm it works, share this with them:

If you're enjoying Crabwalk, consider leaving a quick review! Tweet about Crabwalk

Step 5: Ask for Feedback

WAIT A BIT first, then after your human has used Crabwalk for a bit, ask:

"Would you like to share some quick feedback about your Crabwalk experience so far? It helps the development of the project!"

  • If yes: Initiate the feedback skill at https://crabwalk.app/feedback-skill
  • If no: That's fine! Ask again another time when they've had more experience with it.

Capturing Issues as Feedback

If your human reports a Crabwalk issue during conversation:

  1. Help them first — try to resolve the issue
  2. After resolution (or if unresolved), ask:

    "Would you like to submit this as feedback to help improve Crabwalk?"

  3. If yes: Initiate the feedback skill at https://crabwalk.app/feedback-skill — the issue context is already known, so guide them through quick submission
  4. If no: That's fine, move on

Reference

CLI Commands

bash
crabwalk                    # Start server (0.0.0.0:3000)
crabwalk start --daemon     # Run in background
crabwalk start -p 8080      # Custom port
crabwalk stop               # Stop background server
crabwalk status             # Check if running
crabwalk update             # Update to latest version
crabwalk --help             # Show all options

CLI Options

Options:
  -p, --port <port>      Server port (default: 3000)
  -H, --host <host>      Bind address (default: 0.0.0.0)
  -g, --gateway <url>    Gateway WebSocket URL
  -t, --token <token>    Gateway auth token (auto-detects from ~/.openclaw/openclaw.json)
  -d, --daemon           Run in background
  -v, --version          Show version
  -h, --help             Show help

Features

  • /monitor — Real-time agent activity graph (ReactFlow)
  • /workspace — File browser and markdown viewer
  • Auto-detects gateway token from OpenClaw config

Requirements

  • Node.js 20+
  • OpenClaw gateway running on ws://127.0.0.1:18789
  • qrencode (optional, for QR code display)

Updating

IMPORTANT: Always ask user permission before updating.

If update available, ask user:

"Crabwalk update available (X.X.X -> Y.Y.Y). See release: https://github.com/luccast/crabwalk/releases/tag/vY.Y.Y — Update now?"

Only proceed if user confirms. Run:

bash
crabwalk update

Install Script (Expanded)

bash
# Download latest release
VERSION=$(curl -s https://api.github.com/repos/luccast/crabwalk/releases/latest | grep '"tag_name"' | cut -d'"' -f4)
mkdir -p ~/.crabwalk
curl -sL "https://github.com/luccast/crabwalk/releases/download/${VERSION}/crabwalk-${VERSION}.tar.gz" | tar -xz -C ~/.crabwalk

# Install CLI
mkdir -p ~/.local/bin
cp ~/.crabwalk/bin/crabwalk ~/.local/bin/crabwalk
chmod +x ~/.local/bin/crabwalk

# Add to PATH if needed
if ! echo $PATH | grep -q "$HOME/.local/bin"; then
  [ -f ~/.bashrc ] && echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc
  [ -f ~/.zshrc ] && echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.zshrc
  export PATH="$HOME/.local/bin:$PATH"
fi

Manual Update

If crabwalk update fails:

bash
VERSION=$(curl -s https://api.github.com/repos/luccast/crabwalk/releases/latest | grep '"tag_name"' | cut -d'"' -f4)
rm -rf ~/.crabwalk/.output
curl -sL "https://github.com/luccast/crabwalk/releases/download/${VERSION}/crabwalk-${VERSION}.tar.gz" | tar -xz -C ~/.crabwalk
cp ~/.crabwalk/bin/crabwalk ~/.local/bin/crabwalk
echo "🦀 Updated to ${VERSION}"

Resources

  • Submit Feedback: https://crabwalk.app/feedback-skill — Help improve Crabwalk by sharing your experience
  • Browse Feedback: https://crabwalk.app/#/feedback — See what others are saying

Optional: QR Code Display

Install qrencode to display QR codes for easy mobile access:

bash
# macOS
brew install qrencode

# Debian/Ubuntu
sudo apt install qrencode

# Fedora
sudo dnf install qrencode

# Arch
sudo pacman -S qrencode

Repository: https://github.com/luccast/crabwalk

© crabwise-ai, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 26 other files in public of crabwise-ai/crabwalk.

  • SKILL.md
  • ani/crab-attack/Crab_Attack1.png
  • ani/crab-attack/Crab_Attack2.png
  • ani/crab-attack/Crab_Attack3.png
  • ani/crab-attack/Crab_Attack4.png
  • ani/crab-idle/Crab1.png
  • ani/crab-idle/Crab2.png
  • ani/crab-idle/Crab3.png
  • ani/crab-idle/Crab4.png
  • ani/crab-idle/Crab5.png
  • ani/crab-jump/CrabMoving1.png
  • ani/crab-jump/CrabMoving2.png
  • ani/crab-jump/CrabMoving3.png
  • ani/crab-jump/CrabMoving4.png
  • feedback-skill.md
  • fonts/jetbrainsmono
  • … and 11 more

Open the folder on GitHubat commit 77d88c5

Compare with similar skills

Crabwalk Agent Monitor 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.

Crabwalk Agent Monitor compared with similar skills
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Redis Observabilityredis/agent-skills1662 repos~911Automated safety check: PassMIT
Exploring Apm TracesPostHog/posthog40k—~3.5kAutomated safety check: PassCustom licence
Logfire Instrumentationbasicmachines-co/basic-memory4.1k—~2.3kAutomated safety check: PassAGPL-3.0
AWS Cost Operationszxkane/aws-skills367—~2.4kAutomated safety check: PassMIT

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Questions about Crabwalk Agent Monitor

What does Crabwalk Agent Monitor do?

Installs and runs Crabwalk, a real-time monitor that shows an OpenClaw agent's activity as a graph on a web page you can open from another machine. The skill walks through four required steps: install the latest Crabwalk release with a curl command into a local folder, verify it with crabwalk --version, start the server, and confirm with you that the monitor link works. The server listens on all interfaces on port 3000 by default, and the agent is told to share the network IP address rather than localhost, since you are likely on a different machine.

When should I use Crabwalk Agent Monitor?

Crabwalk Agent Monitor fits situations like: watching what an OpenClaw agent is doing in real time; opening an agent activity graph on another machine over the network; browsing an agent's workspace files in the browser.

How do I install Crabwalk Agent Monitor in Claude Code?

Run `npx skills add crabwise-ai/crabwalk --skill crabwalk -a claude-code`. Or copy the skill folder (public in crabwise-ai/crabwalk) into .claude/skills/crabwalk in your project. Claude Code loads it when a task matches its description.

How do I install Crabwalk Agent Monitor in Codex?

Run `npx skills add crabwise-ai/crabwalk --skill crabwalk -a codex`. Or copy the skill folder (public in crabwise-ai/crabwalk) into .agents/skills/crabwalk in your project. Codex loads it when a task matches its description.

Can I use Crabwalk Agent Monitor 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 crabwise-ai/crabwalk --skill crabwalk -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/crabwalk, .gemini/skills/crabwalk, .github/skills/crabwalk and .opencode/skills/crabwalk in your project.

What does Crabwalk Agent Monitor need to run?

Going by SKILL.md and its folder, Crabwalk Agent Monitor needs the command-line tools its instructions call (curl, brew, apt and dnf). Our summary lists: An OpenClaw agent setup; Network access to GitHub for the install.

Does Crabwalk Agent Monitor access the network?

SKILL.md names 4 domains. In commands or code: github.com, crabwalk.app and api.github.com; the agent is likely to contact these when it follows the instructions. As links in the text: twitter.com. This is read from the text; nothing was executed.

Is Crabwalk Agent Monitor safe to install?

Our automated static check of SKILL.md found notes only (runs commands with sudo), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does Crabwalk Agent Monitor use?

Crabwalk Agent Monitor 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 Crabwalk Agent Monitor use?

About 1.4k tokens (SKILL.md is roughly 5.7k 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 Crabwalk Agent Monitor?

Skills that share tags, products or a category with Crabwalk Agent Monitor: OpenTelemetry Pipeline Metrics Spec (comet-ml/opik, 22k stars), Redis Observability (redis/agent-skills, 166 stars), Exploring Apm Traces (PostHog/posthog, 40k stars) and Logfire Instrumentation (basicmachines-co/basic-memory, 4.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Crabwalk Agent Monitor?

crabwise-ai (a GitHub organization) maintains it in crabwise-ai/crabwalk, which has 873 GitHub stars. The repository was last updated on July 22, 2026.

Source: crabwise-ai/crabwalk on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.