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This is a Next.js project bootstrapped with create-next-app.

Environment variables

See the canonical environment-variable guide before starting local development.

Getting Started

First, run the development server:

npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev

Open http://localhost:3000 with your browser to see the result.

You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.

This project uses next/font to automatically optimize and load Inter, a custom Google Font.

Learn More

To learn more about Next.js, take a look at the following resources:

You can check out the Next.js GitHub repository - your feedback and contributions are welcome!

Deploy on Vercel

The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.

Check out our Next.js deployment documentation for more details.

Blog Roadmap

How to Pre-Configure files for Deep Agents

fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()

About

No description, website, or topics provided.

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0 stars

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Forks

1 fork
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
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Used by
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
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Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
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Used by
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Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
About
No description, website, or topics provided.
Resources
Readme
Activity
Custom properties
Stars
0 stars
Watchers
0 watching
Forks
1 fork
Report repository
Releases
Packages
Used by
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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This is a Next.js project bootstrapped with create-next-app.
Environment variables
See the canonical environment-variable guide before starting local development.
Getting Started
First, run the development server:
npm run dev
# or
yarn dev
# or
pnpm dev
# or
bun dev
Open http://localhost:3000 with your browser to see the result.
You can start editing the page by modifying app/page.tsx. The page auto-updates as you edit the file.
This project uses next/font to automatically optimize and load Inter, a custom Google Font.
Learn More
To learn more about Next.js, take a look at the following resources:
You can check out the Next.js GitHub repository - your feedback and contributions are welcome!
Deploy on Vercel
The easiest way to deploy your Next.js app is to use the Vercel Platform from the creators of Next.js.
Check out our Next.js deployment documentation for more details.
Blog Roadmap
How to Pre-Configure files for Deep Agents
fromdeepagentsimportcreate_deep_agentfromdeepagents.middleware.filesystemimportFilesystemMiddlewarefromdeepagents.backends.utilsimportcreate_file_datafromdeepagents.backends.stateimportStateBackendfromlangchain.toolsimportToolRuntimefromlangchain.chat_modelsimportinit_chat_modelfromlanggraph.store.memoryimportInMemoryStore# Pre-configure files initial_files= { "/project/README.md": create_file_data("# My Project\n\nInitial documentation."), "/project/src/app.py": create_file_data("def main():\n print('Hello!')") } # Create runtime with pre-populated state runtime=ToolRuntime( state={"messages": [], "files": initial_files}, context=None, tool_call_id="tc", store=InMemoryStore(), stream_writer=lambda_: None, config={}, ) # Create backend with pre-configured files backend=StateBackend(runtime)
model=init_chat_model(model="openai:gpt-4.1-mini")
agent=create_deep_agent(backend=backend, model=model)
input= {
"messages": [{"role": "user", "content": "List the project files."}],
"files": initial_files,
}
forchunkinagent.stream( input, config={"configurable": {"thread_id": "openai"}}, # Dual-mode for HITL support stream_mode=["values"],
): if"messages"inchunk:
chunk["messages"][-1].pretty_print()
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