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Michael Suchacz
4bf9b9d1e6
Surfaces chat lifecycle hook outcomes in the chats UI. Final PR of the lifecycle hooks stack (#27401, #27428, #27429), all now merged. - Show hook notices attached to their user message as timeline notes (`role="note"` so historical notices stay out of the screen reader's assertive live region), and show an info tooltip for notices on queued messages. - Cache the full inserted message batch from send and edit responses so hook-inserted messages survive stream reconnects and queue promotion. - Reconcile the promoted queue head after sending to an errored chat so a missed or delayed queue update neither duplicates nor hides messages, and clear the stale error status so the Thinking indicator appears before the websocket status event. - Ignore an authoritative queue snapshot that still contains a just-promoted message: queued messages are delete-only, so such a snapshot predates the promotion and would both re-show the promoted message and drop messages queued since. Fresh snapshots apply in full and clear the suppression. - Cache the store's reconciled queue on `queue_update` instead of the raw event, so a stale update cannot re-show a promoted message after REST re-hydration. - Refresh chat details when a send or edit fails, because a failed hook dispatch can move the chat to the error state. - Surface tool result error text in the tool rows: the execute failure tooltip shows the actual error instead of a hardcoded "Command failed", and a failed `write_file` renders an error label with the result error text instead of "Wrote <file>" with an args-derived diff of content that was never written. This makes hook tool denials legible in the timeline, and benefits every failed execute or write. - Label a tool call blocked by `pre_tool_use` as failed instead of `Ran <command>`, matching what the write and edit tools already do. The wording derives from the tool-result error flag, so a command that ran and exited non-zero is unaffected. - Render a hook notice below the message it annotates rather than above it, which reads correctly for a "your prompt was rewritten" card. - Give both hook outcomes their own treatment on the create path, where they previously fell through to the generic error alert and an expected policy decision appeared with a stack trace, response data, and a workspaces action. Classification keys on the structured response body rather than the status code, so ordinary permission errors keep their existing rendering. - Unrelated to the hooks work, de-flake `SchedulePage.test.tsx`. Its `fillForm` helper wrapped an already-retrying `findByLabelText` in `waitFor`, so the two 1s budgets raced and a slow first render failed `test-js` with "Timed out in waitFor". This is separable from the rest of the PR if you would rather it land on its own. > This PR was written by Mux, an AI coding agent, on Mike's behalf.
Coder is a self-hosted platform for cloud development environments and AI coding agents. Workspaces are defined with Terraform, connected through a secure Wireguard® tunnel, and automatically shut down when not used. Coder Agents runs a native AI coding agent whose loop executes in the control plane on your infrastructure, with no API keys in workspaces.
- Define cloud development environments in Terraform
- EC2 VMs, Kubernetes Pods, Docker Containers, etc.
- Automatically shutdown idle resources to save on costs
- Onboard developers in seconds instead of days
- Delegate coding work to AI agents on your infrastructure
- Bring any model (Anthropic, OpenAI, Google, Bedrock, self-hosted)
- No LLM credentials in workspaces, user identity on every action
- Centralized model governance, cost tracking, and audit logging
Quickstart
The most convenient way to try Coder is to install it on your local machine and experiment with provisioning cloud development environments using Docker (works on Linux, macOS, and Windows).
# First, install Coder
curl -L https://coder.com/install.sh | sh
# Start the Coder server (caches data in ~/.cache/coder)
coder server
# Navigate to http://localhost:3000 to create your initial user,
# create a Docker template and provision a workspace
Install
The easiest way to install Coder is to use the
install script for Linux
and macOS. For Windows, use the latest ..._installer.exe file from GitHub
Releases.
curl -L https://coder.com/install.sh | sh
You can run the install script with --dry-run to see the commands that will be used to install without executing them. Run the install script with --help for additional flags.
See install for additional methods.
Once installed, you can start a production deployment with a single command:
# Automatically sets up an external access URL on *.try.coder.app
coder server
# Requires a PostgreSQL instance (version 13 or higher) and external access URL
coder server --postgres-url <url> --access-url <url>
Use coder --help to get a list of flags and environment variables. See the install guides for a complete tutorial.
Documentation
Browse the documentation or visit a specific section below:
- Workspaces: Workspaces contain the IDEs, dependencies, and configuration information needed for software development
- Templates: Templates are written in Terraform and describe the infrastructure for workspaces
- Coder Agents: Delegate coding work to AI agents running on your self-hosted infrastructure
- Administration: Learn how to operate Coder
- Premium: Learn about paid features built for large teams
- IDEs: Connect your existing editor to a workspace
Support
Feel free to open an issue if you have questions, run into bugs, or have a feature request.
Join our Discord to provide feedback on in-progress features and chat with the community using Coder!
Integrations
New integrations are always in progress. Open an issue to request one. Contributions are welcome in any official or community repository.
Official
- Coder Registry: Templates, modules, and integrations for common development environments
- VS Code Extension: Open any Coder workspace in VS Code with a single click
- JetBrains Toolbox Plugin: Open any Coder workspace from JetBrains Toolbox with a single click
- JetBrains Gateway Plugin: Open any Coder workspace in JetBrains Gateway with a single click
- Dev Containers: Build development environments using
devcontainer.jsonon Docker, Kubernetes, and OpenShift - Kubernetes Log Stream: Stream Kubernetes Pod events to the Coder startup logs
- Self-Hosted VS Code Extension Marketplace: A private extension marketplace that works in restricted or airgapped networks integrating with code-server.
- GitHub Actions: An action to set up the Coder CLI in GitHub workflows
Community
- Community Templates: Community-contributed workspace templates in the Coder Registry
- Community Modules: Community-contributed modules to extend Coder templates
- Provision Coder with Terraform: Provision Coder on Google GKE, Azure AKS, AWS EKS, DigitalOcean DOKS, IBMCloud K8s, OVHCloud K8s, and Scaleway K8s Kapsule with Terraform
- Coder Template GitHub Action: A GitHub Action that updates Coder templates
- Discord: Chat with the community and provide feedback on in-progress features
Contributing
New contributors are always welcome. If you are new to the Coder codebase, see the contribution guide to get started.
Hiring
Apply on the careers page if you are interested in joining the team.