refactor: demo agent (#81)

Argcfile.sh

@@ -422,15 +422,16 @@ test@agent() {
 # @alias agent:test-demo
 test-demo@agent() {
     echo "---- Test demo agent ---"
-    argc run@agent demo get_sysinfo '{}'
+    args=(demo get_ipinfo '{}')
+    argc run@agent "${args[@]}"
     for item in "${LANG_CMDS[@]}"; do
         cmd="${item#*:}"
         lang="${item%:*}"
         echo "---- Test agents/demo/tools.$lang ---"
         if [[ "$cmd" == "sh" ]]; then
-            "$(argc --argc-shell-path)" ./scripts/run-agent.sh demo get_sysinfo '{}'
+            "$(argc --argc-shell-path)" ./scripts/run-agent.sh "${args[@]}"
         elif command -v "$cmd" &> /dev/null; then
-            $cmd ./scripts/run-agent.$lang demo get_sysinfo '{}'
+            $cmd ./scripts/run-agent.$lang "${args[@]}"
             echo
         fi
     done

agents/demo/README.md

@@ -1,22 +1,14 @@
 # Demo
 
-This is demo agent.
-
-## tools.{sh,js,py}
-
-You only need one of the `tools.sh`, `tools.js`, or `tools.py` files. All three are provided so that everyone can understand how to implement the tools in each language.
-
-## tools.txt
-
-The `tools.txt` is used to reuse the tools in the `tools/` directory.
+This agent serves as a demo to guide agent development and showcase various agent capabilities.
 
 ## index.yaml
 
-This document is essential as it defines the agent.
+This file defines the agent.
 
 ### variables
 
-Variables are generally used to record a certain behavior or preference of a user.
+Variables are generally used to store information about a user's behavior or preferences.
 
 ```yaml
 variables:
@@ -27,11 +19,23 @@ variables:
     default: val
 ```
 
-Variables can be used in the `instructions`.
+When use define variables, please avoid these built-in variables:
+
+| name          | description                                   | example                  |
+| :------------ | :-------------------------------------------- | :----------------------- |
+| __os__        | Operating system name                         | linux                    |
+| __os_family__ | Operating system family                       | unix                     |
+| __arch__      | System architecture                           | x86_64                   |
+| __shell__     | Current user's default shell                  | bash                     |
+| __locale__    | User's preferred language and region settings | en-US                    |
+| __now__       | Current timestamp in ISO 8601 format          | 2024-07-29T08:11:24.367Z |
+| __cwd__       | Current working directory                     | /tmp                     |
+
+Variables should be used in the `instructions` field.
 
 ```yaml
 instructions: |
-  The instructions can inline {{foo}} and {{bar}} variables.
+  The instructions can inline user defined variables: {{foo}}, {{bar}} and builtin variables {{__shell__}}.
 ```
 
 ### documents
@@ -43,4 +47,14 @@ documents:
   - local-file.txt
   - local-dir/
   - https://example.com/remote-file.txt
-```
+```
+
+## tools.{sh,js,py}
+
+The tool script implements agent-specific tools.
+
+> You only need one of the `tools.sh`, `tools.js`, or `tools.py`.
+
+## tools.txt
+
+The `tools.txt` file enables tool reuse from the `/tools` folder in this project.

agents/demo/index.yaml

@@ -2,17 +2,34 @@ name: Demo
 description: This is demo agent.
 version: 0.1.0
 instructions: |
-  You are a AI agent designed to demonstrate agent capabilities.
-  Use prefer language {{lang}} to answer the question, regardless of the input language.
-  When the user asks for the system info, retrieve it by running the get_sysinfo tool.
-  When the user asks for the current time, retrieve it by using the get_current_time tool.
+  You are a AI agent designed to demonstrate agent capabilities. 
+
+  <tools>
+  __TOOLS__
+  </tools>
+
+  <system>
+  os: {{__os__}}
+  os_family: {{__os_family__}}
+  arch: {{__arch__}}
+  shell: {{__shell__}}
+  locale: {{__locale__}}
+  now: {{__now__}}
+  cwd: {{__cwd__}}
+  </system>
+
+  <user>
+  username: {{username}}
+  </user>
 variables:
-  - name: lang
-    description: Your prefer language
+  - name: username
+    description: Your user name
 conversation_starters:
-  - What is the prefer language?
-  - What is the llm-functions?
-  - Show me the system info
-  - Tell me the current time
+  - What is my username?
+  - What is my current shell?
+  - What is my ip?
+  - How much disk space is left on my PC??
+  - How to create an agent?
 documents:
-  - https://raw.githubusercontent.com/sigoden/llm-functions/main/README.md
+  - README.md
+  - https://github.com/sigoden/llm-functions/blob/main/README.md

agents/demo/tools.js

@@ -1,8 +1,7 @@
-const os = require("node:os");
 /**
  * Get the system info
  */
-exports.get_sysinfo = function getSysinfo() {
-    return `OS: ${os.type()}
-Arch: ${os.arch()}`
+exports.get_ipinfo = async function getIpinfo() {
+   const res = await fetch("https://httpbin.org/ip")
+   return res.json();
 }

agents/demo/tools.py

@@ -1,11 +1,9 @@
-import os
-import platform
+import urllib.request
 
-def get_sysinfo():
+def get_ipinfo():
   """
-  Get the system info
+  Get the ip info
   """
-  return "\n".join([
-    f"OS: {platform.system()}",
-    f"Arch: {platform.machine()}",
-  ])
+  with urllib.request.urlopen("https://httpbin.org/ip") as response:
+    data = response.read()
+    return data.decode('utf-8')

agents/demo/tools.sh

@@ -1,12 +1,9 @@
 #!/usr/bin/env bash
 set -e
 
-# @cmd Get the system info
-get_sysinfo() {
-    cat <<EOF >> "$LLM_OUTPUT"
-OS: $(uname)
-Arch: $(arch)
-EOF
+# @cmd Get the ip info
+get_ipinfo() {
+    curl -fsSL https://httpbin.org/ip >> "$LLM_OUTPUT"
 }
 
 # See more details at https://github.com/sigoden/argc

agents/demo/tools.txt

@@ -1 +1 @@
-get_current_time.sh
+execute_command.sh