Page 6 | Best AI Coding Agents in the UK of 2026

Clears

Clears is an autonomous software delivery platform that carries engineering work from requirements to reviewed pull requests across the software development lifecycle. It scores incoming tickets by agent confidence, risk, and complexity, identifies the repositories each issue touches, and helps teams determine which work is ready for automation before committing it to a sprint. Agentic workflows coordinate analysis, approval, implementation, validation, and PR review, with each agent picking up where the previous one left off. Every issue has a persistent AI session that can explore the codebase, refine requirements, answer questions, propose changes, and retain context across runs. A shared Context Layer stores organization-wide conventions, repository patterns, previous decisions, API contracts, known pitfalls, and execution history so agents do not start from scratch.

Starting Price: $89 per month

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fx

Vercel

fx is a tiny, open, native coding agent harness and CLI written in Zig, optimized for research, performance, and embeddability as part of larger systems. Its design focuses on minimalism across the system prompt, tools, feature set, memory use, and a 6 MB binary, with an interface intended to feel closer to a Unix shell than a heavy terminal IDE. fx cold starts in microseconds and performs no unnecessary work or I/O before accepting input, making it suitable for programmatic use, resource-constrained environments, and agent sandboxes. Developers can start it inside a project and ask it to read files, search code, run commands, make changes, execute tests, and stream tool calls as they happen. The core is model- and provider-agnostic, supporting local models, gateways, direct provider access, and cloud inference. It is context-efficient by design, using a minimal system prompt and toolset to reduce token overhead and improve time to first token.

Starting Price: Free

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AtomCode

AtomGit

AtomCode is an open source AI coding agent that lives in the terminal and autonomously reads files, edits code, runs commands, searches the web, executes tests, and self-verifies until a task is complete. It is designed as a multi-model alternative to tools such as Claude Code and Cursor Agent, supporting Claude, OpenAI, DeepSeek, GLM, Qwen, Ollama, SiliconFlow, and any OpenAI-compatible API. Its built-in code graph tools provide symbol indexing, reference lookup, caller and callee tracing, dependency analysis, and blast-radius analysis to help the agent understand large codebases more deeply than basic text search. Developers can attach screenshots and images, while vision preprocessing can extract useful context when the selected primary model does not support images directly. AtomCode integrates natively with AtomGit for OAuth login, repository management, issues, and pull requests, and supports MCP, reusable Skills, plugins, custom slash commands, hooks, and workflows.

Starting Price: Free

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Copperhead

Copperhead is an open source AI engineering platform that helps hardware teams design, verify, and ship circuit boards. You describe a change or provide a product brief, and the agent edits real KiCad files, updates the documents that reference them, and runs KiCad’s own checks until they pass. Its end-to-end workflow moves through specification, architecture, parts selection, schematic, layout, outputs, firmware, and development planning, with each stage required to leave a real artifact on disk before the next begins. Gates verify budgets, subsystem reasoning, datasheet-backed part numbers, ERC-clean schematics, DRC-clean layouts, generated Gerbers, firmware sources, and written bring-up plans. Copperhead is also designed for existing boards: point it at a KiCad repository, initialize the project, and ask for changes. Edits are surgical changes to KiCad source files, keeping diffs small and reviewable while untouched portions remain unchanged.

Starting Price: $49 per month

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Snowflake CoCo

Snowflake

Snowflake CoCo is a data-native AI coding agent that turns complex data engineering, analytics, machine learning, and AI workflows into simple conversations. It understands enterprise context, including catalog, lineage, RBAC policies, compute, and pipeline dependencies, helping generated code reference real objects with the correct permissions. Teams can use CoCo to identify data, build pipelines across dbt, Apache Airflow, Postgres, Spark, and AWS Glue, generate executable ML pipelines for Snowflake Notebooks, and create apps and AI agents grounded in enterprise data. Its agent harness includes Snowflake-specialized tools such as semantic catalog search, data diffing, and sandboxed runtimes rather than relying on generic code wrappers. For complex, multi-step tasks, orchestration can coordinate sub-agents and route between models automatically. CoCo is available as a desktop development environment with access to local files, terminals, and Snowflake.

Starting Price: $2 per credit

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Atlarix

NorahLabs

Atlarix is a private AI coding agent for developers. Use its macOS, Windows or Linux desktop app, terminal CLI, or extensions for VS Code, Cursor, Kiro, Zed, JetBrains IDEs and Chrome. Choose Atlarix Auto, Atlarix Core, your own provider API key or a local model. It offers Explore, Plan, Build, Debug and Review modes; Explore and Build sub-agents; MCP servers, skills and automations that wake the agent when they finish. A cloud agent runs in your GitHub Actions and opens pull requests. Atlarix Reviewer checks pull requests without running or changing code. Edits wait for your approval, and commands run in a sandbox. Only the file content needed for a request goes to cloud models; local models keep it on your machine. Free Atlarix Auto prompts are shared with its AI providers after you approve. Every feature is available on Free, but Core, Reviewer and Chrome use pay-as-you-go credit. Pro is $19/month, with Core and Chrome usage included for everyday work and Reviewer included.

Starting Price: $19/month

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Unstoppable AI

Unstoppable is a desktop agent IDE for software developers and engineering teams working with AI coding agents. It brings Claude Code, Codex, Cursor, and other command-line agents into one workspace, where tasks can run in parallel across repositories with separate Git worktrees, terminals, and browser tabs. Users can create repeatable workflows for code review, issue triage, ticket planning, and other development tasks, and connect project context through GitHub, Linear, and Model Context Protocol (MCP) servers. The desktop app is available for macOS and Windows, with web agents and a mobile companion for remote access to workspaces. App features are free; agent usage can rely on a user's existing provider subscription or optional AI credits.

Starting Price: Free

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Quadcode.ai

Quadcode

Quadcode.ai is a desktop workspace for coordinating AI agents across software development, design, and media production. It works with project files on the user's machine, provides a code editor, terminal, browser, debugger, Git tools, and live project views, and can hand tasks to specialist agents or external command-line agents. Users can connect MCP-compatible tools and data sources, including design and game-development software, databases, and other project services. The workspace also provides access to models and tools for generating and editing code, images, video, audio, and 3D assets, with generated files kept alongside project materials. Creators, developers, game makers, and teams can use it to build applications, work with project assets, create media, and run multi-step agent workflows in one desktop environment.

Starting Price: $20/month

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SyncStaff

SYNCStaff

SYNCStaff is a coordination platform for engineering teams that run multiple AI coding agents in the same repository. It provides a shared goal and project context, routes work among agents, tracks tasks and dependencies, and records decisions for human review. Before editing, each agent declares its intended changes and requests temporary file leases; SYNCStaff identifies overlapping work so agents can adjust their plans before conflicts occur. The system also publishes completed changes, monitors blockers, and escalates decisions requiring human judgment. It supports agent connections through the Model Context Protocol and can be self-hosted or used as a managed workspace. Teams can use it to coordinate coding agents across people, tools, and models while keeping repository source and local indexes on agent machines. A free self-hosted edition and a hosted plan with a 14-day trial are available.

Starting Price: $0

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GitLoop

Save precious development time by using natural language to effortlessly search and navigate through your project's codebase. Enhance debugging efficiency with AI that understands your application's architecture, swiftly identifying and pinpointing bugs. Get clear, concise explanations of code features, processes, and relationships, making project onboarding easier than ever. AI agents allows you to customize your interactions with your codebase. You can adjust query size, set accuracy thresholds and select AI models. This personalization enhances communication efficiency and accuracy, making GitLoop a tailored assistant for each user's unique needs. The Context-Aware AI Answers in GitLoop enhances the AI's responses by tailoring them specifically to your repository. This functionality ensures that every answer is relevant and adapted to the unique context of your project.

Starting Price: $15 per month

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GitStart

Assign tickets, and get high-quality production code powered by AI agents and our global developer community. Increase your capacity without increasing the engineering headcount. If you have more items on your plate than the capacity to ship them, assign them to GitStart. We believe coding can change lives and we are on a mission to grow the world's future software talent. Select which parts of your repo GitStart can access with our secure git-sharing tool. Share only what you want at all times, and keep your configuration file under your lock and key. Assign sprint-sized tickets and our LLM assistant will help you translate requirements into a fully-formed ticket. No one likes long review cycles, so GitStart pushes PRs that have been through internal code and QA checks. You review the work in your repo, request any necessary changes, and merge. You can approve or reject each PR cost estimate once we've understood the scope and before we start any work.

Starting Price: $11 per credit

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GPT Pilot

Pythagora

GPT Pilot is an open-source AI tool that acts as a full AI developer, capable of generating production-ready applications with minimal human input. Unlike simple code autocompletion tools, GPT Pilot can write complete features, debug code, communicate about issues, and even request code reviews. This tool aims to push the boundaries of AI-assisted software development by handling up to 95% of coding tasks, while leaving the final 5% to developers. It’s built to integrate with platforms like VS Code, enabling developers to collaborate seamlessly with AI in real-time.

Starting Price: Free

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gpt-engineer

gpt-engineer is an open-source platform designed to automate software development by enabling users to specify software requirements in natural language. The tool utilizes AI to generate and execute code based on user specifications, making the development process faster and more intuitive. gpt-engineer can also implement requested improvements and handle iterative development, allowing users to focus on high-level tasks rather than manual coding. Built with a terminal-based interface, it is ideal for developers seeking a customizable, hackable solution for experimenting with AI-assisted programming.

Starting Price: Free

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smol developer

smol-developer is an open-source library that enables developers to integrate a powerful AI-powered "junior developer" agent into their applications. This agent uses natural language processing to generate, scaffold, and assist with the development of code. Unlike conventional approaches, smol-developer allows for a more interactive development process, where the AI agent iterates and refines the code based on feedback, making it ideal for building project-specific scaffolds and automating repetitive tasks. Developers can leverage this tool to speed up the development cycle, create customized codebases, and collaborate with AI on development tasks in real-time.

Starting Price: Free

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Factory

Factory.ai

Factory.ai is an agent-native software development platform designed to automate and accelerate engineering workflows. It enables developers to delegate complex tasks like refactoring, migrations, and incident response to AI-powered agents called Droids. The platform integrates seamlessly into existing tools such as IDEs, terminals, and collaboration apps. Developers can continue using their preferred environments like VS Code, JetBrains, or command line interfaces. Factory.ai works across the entire development lifecycle, from coding to CI/CD pipelines. It is built with enterprise-grade security to protect data and intellectual property. Overall, Factory.ai enhances productivity by enabling AI agents to work alongside developers without disrupting workflows.

Starting Price: $80 per month

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Bind AI

Bind AI is an advanced AI-powered coding assistant platform that supports over 15 AI models, including Claude 4 Sonnet, GPT 4.1, and Gemini 2.5 Pro. It enables users to generate, edit, and execute code across a wide range of programming languages such as Python, Java, C++, JavaScript, and more within a built-in IDE. Bind AI can help create landing pages, backend scripts, SQL queries, and automate repetitive coding tasks. The platform integrates seamlessly with GitHub and Google Drive, allowing code synchronization and collaborative development. Users can preview HTML webpages and run code snippets directly in the AI-powered editor. Bind AI offers a free 3-day trial for new users to experience its capabilities.

Starting Price: $18/month

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Traycer

Traycer AI

Traycer transforms your ideas into clear, step-by-step plans that AI coding tools like Claude Code and Cursor can follow easily. Spend less time writing prompts and complete your projects faster. ✨ Detailed step by step implementation plans ✅ Perfect for large scale code refactoring and feature roll 🛠️ Seamless IDE integration (Copilot, Cursor, Windsurf, etc) 🤖 Powered by cutting-edge AI models like Sonnet 4, o3, GPT 4.1 and more 🎁 Free to use forever 🚀 14 day Pro trial, no credit card needed

Starting Price: Free

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VibeFlow

VibeFlow transforms plain-language prompts into full-stack web applications, combining a user-friendly visual backend editor with robust, production-ready code. Leveraging an n8n-style workflow canvas, it generates intuitive visual diagrams of your app’s logic, not opaque backend code, so you can edit, debug, and scale with precision. Connect your existing front end seamlessly via GitHub or custom UI, and VibeFlow will automatically craft data models, APIs, and business logic using TypeScript output. It supports powerful integrations, transparent AI-assisted generation, and full deployment through version-controlled repositories. Users especially love how it demystifies the backend, turning ideas into tangible, editable workflows that evolve as your app grows.

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GPT‑5-Codex

OpenAI

GPT-5-Codex is a version of GPT-5 further optimized for agentic coding within Codex, focusing on real-world software engineering tasks (building full projects from scratch, adding features & tests, debugging, large-scale refactors, and code reviews). Codex now moves faster, is more reliable, and works better in real-time across your development environments, whether in terminal/CLI, IDE extension, via the web, in GitHub, or even on mobile. GPT-5-Codex is the default model for cloud tasks and code review; developers can also opt to use it locally via Codex CLI or the IDE extension. It dynamically adjusts how much “reasoning time” it spends depending on task complexity; small, well-defined tasks are fast and snappy; more complex ones (refactors, large feature work) get more sustained effort. Code review is stronger; it catches critical bugs before shipping.

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Agentforce Vibes

Salesforce

Agentforce Vibes introduces vibe coding, a generative AI–powered approach that lets developers convert natural language instructions into production-ready Salesforce applications with enterprise-grade security, governance, and infrastructure. Unlike simpler vibe coding tools aimed at prototyping, Agentforce Vibes supports the full development lifecycle, ideation, building, testing, deployment, and observability, while integrating with Salesforce’s platform and trust layers. It functions as an AI-powered IDE (usable within VS Code or any VS Code-compatible environment) that understands your Salesforce schema and metadata, enabling features such as agentic code generation (Apex, HTML, CSS, JavaScript), intelligent rule enforcement, test case generation, debugging, rollbacks, and natural language DevOps. It supports multiple language models, is extensible via Model Context Protocol (MCP) with over 20 built-in tools, and allows reuse of existing code.

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GPT-5.1-Codex-Max

OpenAI

GPT-5.1-Codex-Max is the high-capability variant of the GPT-5.1-Codex series designed specifically for software engineering and agentic code workflows. It builds on the base GPT-5.1 architecture with a focus on long-horizon tasks such as full project generation, large-scale refactoring, and autonomous multi-step bug and test management. It introduces adaptive reasoning, meaning the system dynamically allocates more compute for complex problems and less for simpler ones, to improve efficiency and output quality. It also supports tool use (IDE-integrated workflows, version control, CI/CD pipelines) and offers higher fidelity in code review, debugging, and agentic behavior than general-purpose models. Alongside Max, there are lighter variants such as Codex-Mini for cost-sensitive or scale use-cases. The GPT-5.1-Codex family is available in developer previews, including via integrations like GitHub Copilot.

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Capacity

Capacity.so

Capacity.so is an AI-powered platform that lets anyone build full websites, SaaS apps, internal tools, and AI agents — without hiring developers or writing complex code. Simply describe what you want, and Capacity generates the entire project: pages, components, backend, database, API routes, authentication, dashboards, and more. Built for entrepreneurs, indie hackers, agencies, and teams, Capacity turns ideas into production-ready applications in minutes.

Starting Price: $25/month

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Zenflow

Zencoder

Zenflow is an AI orchestration platform built to bring discipline and structure to AI-assisted software development by coordinating multiple AI agents in spec-driven workflows, enforcing planning, implementation, testing, and review steps so output stays aligned with defined requirements rather than ad-hoc prompting. It organizes repeatable processes that run on autopilot or with human review, with built-in automated verification and cross-agent quality gates to reduce errors and “AI slop.” Zenflow enables parallel execution of tasks in isolated environments, provides visibility into agent work via project management views, and supports pre-built workflows for features, bug fixes, and refactors that users can extend or customize. It anchors tasks to a single source of truth such as PRDs or architecture documents to prevent drift and scope creep, and coordinates agent diversity to catch blind spots across model families.

Starting Price: $19 per user per month

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Kimi Code

Kimi

Kimi Code is a developer-centric AI coding agent included as part of the Kimi Membership, designed to boost productivity by automating software development tasks and seamlessly integrating into popular workflows. It offers high-performance CLI tools and supports integration with terminal environments and IDEs like VS Code, allowing developers to read and edit code, answer questions about codebases, generate features, fix bugs, refactor, and verify changes through a natural-language interface. With a dedicated console showing real-time logs, request quotas, and pace controls, the platform lets users configure API keys for use in tools such as Kimi CLI, Claude Code, and Roo Code, enabling faster coding with AI assistance within commits and existing workflows. In VS Code, Kimi Code features a native chat panel with slash commands, file and folder references, diff views, and integration with external tools for context-aware coding support.

Starting Price: $15 per month

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GLM Coding Plan

Z.ai

Z.ai DevPack (GLM Coding Plan) is a subscription-based AI coding platform designed to integrate high-performance language models into existing development tools, enabling a faster, more intelligent, and stable coding workflow. It provides access to advanced models such as GLM-4.7 and GLM-5, which can be used across popular AI coding environments like Claude Code, Cline, OpenCode, and other tools that support OpenAI-compatible APIs. The system allows developers to use natural language programming to describe requirements and automatically generate code, debug issues, and execute tasks, while also offering real-time, context-aware code completion to improve productivity. It includes intelligent debugging and repair capabilities, enabling models to analyze errors, suggest fixes, and maintain smooth execution throughout development. DevPack is designed with a structured interface that AI agents can understand, allowing seamless interaction between tools and models.

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Deep Code

Chongqing Parsec Technology Co., Ltd.

Deep Code is a VS Code extension that embeds a full AI coding agent directly into your sidebar. It goes beyond simple chat to handle real development workflows. Key capabilities include project-level persistent sessions that retain context across days, file read/write and command execution for tasks like code understanding, documentation, and task continuity. The Skills system lets you codify team workflows into reusable capabilities. It also supports OpenAI-compatible models for flexible integration. Designed for developers who want an AI that doesn’t just answer questions, but collaborates across the entire development lifecycle without leaving VS Code.

Starting Price: $0

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Cosmos

Augment Code

Cosmos by Augment Code is an AI agent orchestration platform designed to automate and coordinate software development workflows across engineering organizations. The platform enables teams to deploy specialized AI agents that handle tasks such as code generation, pull request reviews, vulnerability remediation, and incident investigation. Cosmos uses a Context Engine to provide agents with an understanding of codebases, dependencies, and existing development patterns. Its event-driven automation capabilities trigger workflows through repository activity, scheduled tasks, webhooks, and integrations with development tools. The platform supports shared organizational knowledge, isolated execution environments, and human approval checkpoints for managing automated operations. Cosmos integrates with GitHub, GitLab, Jira, Linear, Slack, and other engineering systems to connect AI agents with existing software delivery processes.

Starting Price: $20 per month

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GSD 2

Open GSD

GSD 2 is an AI software development framework designed to help teams move from simple prompting to a more structured, repeatable engineering process. The framework supports AI-assisted development by organizing work around specifications, context, execution, validation, and review. Instead of relying on isolated prompts, GSD 2 helps developers create clearer workflows that guide AI agents through planning, implementation, and quality checks. It is built for teams that want AI coding tools to operate with better direction, stronger traceability, and fewer ambiguous handoffs. The framework can help reduce drift between intended requirements and generated code by emphasizing persistent artifacts and human oversight. GSD 2 gives software teams a more disciplined way to use AI agents in real development projects.

Starting Price: Free

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JackHamr

JackHamr is the AI coding agent that ships software end-to-end. Instead of a single AI assistant, it orchestrates specialist agents: a spec agent writes requirements, a planner breaks them into tasks, a builder writes code, a tester runs tests, a reviewer checks quality, and a shipper deploys. Agents run on hosted cloud dev environments with VS Code, Docker, SSH, and WireGuard-encrypted networking, so you can close your laptop and they keep working. Talk to them with push-to-talk voice chat or type naturally. GitHub is built in: one-click clone, automatic branch-per-task, real-time commit sync, and PR creation. Bring your own LLM keys (OpenAI, Anthropic, Google, or self-hosted) or use ours at cost, and swap models mid-pipeline. Pay-as-you-go with itemized billing: infrastructure at cost, LLM tokens with zero markup. $10 free credit to start, no card required.

Starting Price: $0 to start, pay-as-you-go

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Bleenk

Bleenk is an AI software engineering platform for building, testing, and deploying full-stack applications using natural language. It combines an AI coding agent with a cloud development environment including a code editor, terminal, live preview, Git integration, automated testing, security scanning, and one-click deployment. Users can generate new applications, modify existing repositories, debug issues, and ship production-ready software from a single workspace. Bleenk supports modern web stacks and multiple AI models. It is designed for developers, startups, and teams building SaaS products, internal tools, APIs, AI agents, and automation systems. The platform focuses on end-to-end software lifecycle automation: planning, generation, coding, testing, review, and deployment in one unified environment.

Starting Price: $29/month

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Best AI Coding Agents in the UK - Page 6

Compare the Top AI Coding Agents in the UK as of November 2026 - Page 6

Clears

fx

AtomCode

Copperhead

Snowflake CoCo

Atlarix

Unstoppable AI

Quadcode.ai

SyncStaff

GitLoop

GitStart

GPT Pilot

gpt-engineer

smol developer

Factory

Bind AI

Traycer

VibeFlow

GPT‑5-Codex

Agentforce Vibes

GPT-5.1-Codex-Max

Capacity

Zenflow

Kimi Code

GLM Coding Plan

Deep Code

Cosmos

GSD 2

JackHamr

Bleenk

Best AI Coding Agents in the UK - Page 6

Compare the Top AI Coding Agents in the UK as of November 2026 - Page 6

Clears

fx

AtomCode

Copperhead

Snowflake CoCo

Atlarix

Unstoppable AI

Quadcode.ai

SyncStaff

GitLoop

GitStart

GPT Pilot

gpt-engineer

smol developer

Factory

Bind AI

Traycer

VibeFlow

GPT‑5-Codex

Agentforce Vibes

GPT-5.1-Codex-Max

Capacity

Zenflow

Kimi Code

GLM Coding Plan

Deep Code

Cosmos

GSD 2

JackHamr

Bleenk

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