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Merge pull request #543 to add edit_file tool and time context to sub agent

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fix(subagent): add edit_file tool and time context to sub agent
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Xubin Ren 2026-02-12 15:53:10 +08:00 committed by GitHub
commit a05e58cf79
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2 changed files with 12 additions and 5 deletions
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2
README.md
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@ -16,7 +16,7 @@
⚡️ Delivers core agent functionality in just **~4,000** lines of code — **99% smaller** than Clawdbot's 430k+ lines. ⚡️ Delivers core agent functionality in just **~4,000** lines of code — **99% smaller** than Clawdbot's 430k+ lines.
📏 Real-time line count: **3,510 lines** (run `bash core_agent_lines.sh` to verify anytime) 📏 Real-time line count: **3,578 lines** (run `bash core_agent_lines.sh` to verify anytime)
## 📢 News ## 📢 News

15
nanobot/agent/subagent.py
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@ -12,7 +12,7 @@ from nanobot.bus.events import InboundMessage
from nanobot.bus.queue import MessageBus from nanobot.bus.queue import MessageBus
from nanobot.providers.base import LLMProvider from nanobot.providers.base import LLMProvider
from nanobot.agent.tools.registry import ToolRegistry from nanobot.agent.tools.registry import ToolRegistry
from nanobot.agent.tools.filesystem import ReadFileTool, WriteFileTool, ListDirTool from nanobot.agent.tools.filesystem import ReadFileTool, WriteFileTool, EditFileTool, ListDirTool
from nanobot.agent.tools.shell import ExecTool from nanobot.agent.tools.shell import ExecTool
from nanobot.agent.tools.web import WebSearchTool, WebFetchTool from nanobot.agent.tools.web import WebSearchTool, WebFetchTool
@ -101,6 +101,7 @@ class SubagentManager:
allowed_dir = self.workspace if self.restrict_to_workspace else None allowed_dir = self.workspace if self.restrict_to_workspace else None
tools.register(ReadFileTool(allowed_dir=allowed_dir)) tools.register(ReadFileTool(allowed_dir=allowed_dir))
tools.register(WriteFileTool(allowed_dir=allowed_dir)) tools.register(WriteFileTool(allowed_dir=allowed_dir))
tools.register(EditFileTool(allowed_dir=allowed_dir))
tools.register(ListDirTool(allowed_dir=allowed_dir)) tools.register(ListDirTool(allowed_dir=allowed_dir))
tools.register(ExecTool( tools.register(ExecTool(
working_dir=str(self.workspace), working_dir=str(self.workspace),
@ -210,12 +211,17 @@ Summarize this naturally for the user. Keep it brief (1-2 sentences). Do not men
def _build_subagent_prompt(self, task: str) -> str: def _build_subagent_prompt(self, task: str) -> str:
"""Build a focused system prompt for the subagent.""" """Build a focused system prompt for the subagent."""
from datetime import datetime
import time as _time
now = datetime.now().strftime("%Y-%m-%d %H:%M (%A)")
tz = _time.strftime("%Z") or "UTC"
return f"""# Subagent return f"""# Subagent
You are a subagent spawned by the main agent to complete a specific task. ## Current Time
{now} ({tz})
## Your Task You are a subagent spawned by the main agent to complete a specific task.
{task}
## Rules ## Rules
1. Stay focused - complete only the assigned task, nothing else 1. Stay focused - complete only the assigned task, nothing else
@ -236,6 +242,7 @@ You are a subagent spawned by the main agent to complete a specific task.
## Workspace ## Workspace
Your workspace is at: {self.workspace} Your workspace is at: {self.workspace}
Skills are available at: {self.workspace}/skills/ (read SKILL.md files as needed)
When you have completed the task, provide a clear summary of your findings or actions.""" When you have completed the task, provide a clear summary of your findings or actions."""