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Michael Suchacz
9d6ef1e701
## Summary
Streamlines the agent instruction files, cutting per-session token
overhead by roughly 65%.
The core design change: `AGENTS.md` no longer `@`-imports WORKFLOWS.md,
package.json, the eight detailed guides, or `AGENTS.local.md` into every
session. Guidance moves from guaranteed-in-context to load-on-demand
through a routing table, betting that one-line guardrail summaries plus
links are enough to make agents pull the right doc when a task needs it.
- `AGENTS.md` (251 -> 80 lines): a routing table to the canonical docs
in `.claude/docs/`, the essential command table, and one-line guardrails
for the architectural footguns (SQLC workflow plus audit table, OAuth2
error conformance, chatd architecture-doc rule, Swagger annotations,
`InTx` discipline, test concurrency, workflow `permissions: {}`,
mandatory git hooks, commit/PR title format).
- `site/AGENTS.md` (364 -> 89 lines): keeps the FE1-FE10 contract
summary, TypeScript LSP navigation, pnpm command table, React Compiler
boundaries, accessibility rules, and the pre-PR `frontend-review`
requirement. Drops the generic React tutorial sections that restate
framework documentation.
- The persona and relationship prose ("Our relationship", foundational
rules) is deliberately removed. The behavioral gates worth keeping for
every agent survive as one-liners: get explicit permission before
excepting a rule, discuss architectural decisions before implementing,
and answer questions instead of jumping to implementation.
- Unique operational content is relocated rather than deleted:
Playwright failure-artifact paths and the CI `playwright-artifacts-`
naming convention move to `.claude/docs/AGENT_FAILURES.md`; the
`React.useId()` rule, the `key={String(booleanState)}` remount footgun,
date-as-prop Storybook determinism, and the suppression-comment rule
(updated from `eslint-disable` to `biome-ignore` to match current
tooling) move to `.claude/docs/FRONTEND_PATTERNS.md`.
Content reflects current main: the chatd rule says agents leave TODOs
and the human PR author writes the architecture doc, and MUI/Emotion are
described as removed, not deprecated.
Note for Claude Code users: `CLAUDE.md` symlinks to `AGENTS.md`, so
detailed workflow docs (hook internals, the new-feature checklist,
`AGENTS.local.md`) are no longer auto-loaded into every session; agents
must follow the links.
## Validation
- `pnpm exec markdownlint-cli2` on all four touched files: 0 errors
- `pnpm exec markdown-table-formatter --check` on all four touched
files: pass
- `make lint/emdash`: pass
- `make lint/agents`: pass
- All relative links verified to resolve
> Mux created this PR and description on behalf of Mike.
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
Check out our install guides for other methods and a complete tutorial.
Try Coder with the install script on Linux and macOS, or grab the latest binary or installer from GitHub Releases on Windows:
curl -L https://coder.com/install.sh | sh
Start the server and open http://localhost:3000 to create your initial user, create a Docker template, and provision your first workspace:
coder server
For a production deployment, add a PostgreSQL database (version 13 or later) and an external access URL, and see our validated architectures for sizing and infrastructure guidance:
coder server --postgres-url <url> --access-url <url>
Without these flags, Coder uses a built-in database and sets up a *.try.coder.app access URL for evaluation. Use coder --help for the full list of flags and environment variables.
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
- AI Gateway: Centralize authentication, auditing, and cost controls for AI tooling
- Administration: Learn how to operate Coder
- Premium: Learn about paid features built for large teams
- IDEs: Connect your existing editor to a workspace
Support
Open an issue for bugs and feature requests.
For community support, showcasing what you built, and feedback on in-progress features, join our Discord or GitHub Discussions.
Dedicated support is included in Coder Premium. For more information, visit coder.com/pricing.
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
- Coding Agents: Run agents like Claude Code, Codex, and OpenCode isolated in Coder workspaces
- coderd Terraform Provider: Declaratively manage your Coder deployment configuration as code
- 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
- 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
- Coder Discord: Chat with the community, get support, and hear about new product updates first
- Community Templates: Community-contributed workspace templates in the Coder Registry
- Community Modules: Community-contributed modules to extend Coder templates
- Coder Template GitHub Action: A GitHub Action that updates Coder templates
- Coder Agents Chat Action: A GitHub Action that starts a Coder Agents chat against a GitHub issue or pull request
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.