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import config from "../../../config.mjs"export const typesUrl = `${config.github}/blob/dev/packages/sdk/js/src/gen/types.gen.ts`
The `opencode serve` command runs a headless HTTP server that exposes an OpenAPI endpoint that an opencode client can use.
---
### Usage
```bashopencode serve [--port <number>] [--hostname <string>] [--cors <origin>]```
#### Options
| Flag | Description | Default || --------------- | ----------------------------------- | ---------------- || `--port` | Port to listen on | `4096` || `--hostname` | Hostname to listen on | `127.0.0.1` || `--mdns` | Enable mDNS discovery | `false` || `--mdns-domain` | Custom domain name for mDNS service | `opencode.local` || `--cors` | Additional browser origins to allow | `[]` |
`--cors` can be passed multiple times:
```bashopencode serve --cors http://localhost:5173 --cors https://app.example.com```
---
### Authentication
Set `OPENCODE_SERVER_PASSWORD` to protect the server with HTTP basic auth. The username defaults to `opencode`, or set `OPENCODE_SERVER_USERNAME` to override it. This applies to both `opencode serve` and `opencode web`.
```bashOPENCODE_SERVER_PASSWORD=your-password opencode serve```
---
### How it works
When you run `opencode` it starts a TUI and a server. Where the TUI is theclient that talks to the server. The server exposes an OpenAPI 3.1 specendpoint. This endpoint is also used to generate an [SDK](/docs/sdk).
:::tipUse the opencode server to interact with opencode programmatically.:::
This architecture lets opencode support multiple clients and allows you to interact with opencode programmatically.
You can run `opencode serve` to start a standalone server. If you have theopencode TUI running, `opencode serve` will start a new server.
---
#### Connect to an existing server
When you start the TUI it randomly assigns a port and hostname. You can instead pass in the `--hostname` and `--port` [flags](/docs/cli). Then use this to connect to its server.
The [`/tui`](#tui) endpoint can be used to drive the TUI through the server. For example, you can prefill or run a prompt. This setup is used by the OpenCode [IDE](/docs/ide) plugins.
---
## Spec
The server publishes an OpenAPI 3.1 spec that can be viewed at:
```http://<hostname>:<port>/doc```
For example, `http://localhost:4096/doc`. Use the spec to generate clients or inspect request and response types. Or view it in a Swagger explorer.
---
## APIs
The opencode server exposes the following APIs.
---
### Global
| Method | Path | Description | Response || ------ | ---------------- | ------------------------------ | ------------------------------------ || `GET` | `/global/health` | Get server health and version | `{ healthy: true, version: string }` || `GET` | `/global/event` | Get global events (SSE stream) | Event stream |
---
### Project
| Method | Path | Description | Response || ------ | ------------------ | ----------------------- | --------------------------------------------- || `GET` | `/project` | List all projects | <a href={typesUrl}><code>Project[]</code></a> || `GET` | `/project/current` | Get the current project | <a href={typesUrl}><code>Project</code></a> |
---
### Path & VCS
| Method | Path | Description | Response || ------ | ------- | ------------------------------------ | ------------------------------------------- || `GET` | `/path` | Get the current path | <a href={typesUrl}><code>Path</code></a> || `GET` | `/vcs` | Get VCS info for the current project | <a href={typesUrl}><code>VcsInfo</code></a> |
---
### Instance
| Method | Path | Description | Response || ------ | ------------------- | ---------------------------- | --------- || `POST` | `/instance/dispose` | Dispose the current instance | `boolean` |
---
### Config
| Method | Path | Description | Response || ------- | ------------------- | --------------------------------- | ---------------------------------------------------------------------------------------- || `GET` | `/config` | Get config info | <a href={typesUrl}><code>Config</code></a> || `PATCH` | `/config` | Update config | <a href={typesUrl}><code>Config</code></a> || `GET` | `/config/providers` | List providers and default models | `{ providers: `<a href={typesUrl}>Provider[]</a>`, default: { [key: string]: string } }` |
---
### Provider
| Method | Path | Description | Response || ------ | -------------------------------- | ------------------------------------ | ----------------------------------------------------------------------------------- || `GET` | `/provider` | List all providers | `{ all: `<a href={typesUrl}>Provider[]</a>`, default: {...}, connected: string[] }` || `GET` | `/provider/auth` | Get provider authentication methods | `{ [providerID: string]: `<a href={typesUrl}>ProviderAuthMethod[]</a>` }` || `POST` | `/provider/{id}/oauth/authorize` | Authorize a provider using OAuth | <a href={typesUrl}><code>ProviderAuthAuthorization</code></a> || `POST` | `/provider/{id}/oauth/callback` | Handle OAuth callback for a provider | `boolean` |
---
### Sessions
| Method | Path | Description | Notes || -------- | ---------------------------------------- | ------------------------------------- | ---------------------------------------------------------------------------------- || `GET` | `/session` | List all sessions | Returns <a href={typesUrl}><code>Session[]</code></a> || `POST` | `/session` | Create a new session | body: `{ parentID?, title? }`, returns <a href={typesUrl}><code>Session</code></a> || `GET` | `/session/status` | Get session status for all sessions | Returns `{ [sessionID: string]: `<a href={typesUrl}>SessionStatus</a>` }` || `GET` | `/session/:id` | Get session details | Returns <a href={typesUrl}><code>Session</code></a> || `DELETE` | `/session/:id` | Delete a session and all its data | Returns `boolean` || `PATCH` | `/session/:id` | Update session properties | body: `{ title? }`, returns <a href={typesUrl}><code>Session</code></a> || `GET` | `/session/:id/children` | Get a session's child sessions | Returns <a href={typesUrl}><code>Session[]</code></a> || `POST` | `/session/:id/init` | Analyze app and create `AGENTS.md` | body: `{ messageID, providerID, modelID }`, returns `boolean` || `POST` | `/session/:id/fork` | Fork an existing session at a message | body: `{ messageID? }`, returns <a href={typesUrl}><code>Session</code></a> || `POST` | `/session/:id/abort` | Abort a running session | Returns `boolean` || `POST` | `/session/:id/share` | Share a session | Returns <a href={typesUrl}><code>Session</code></a> || `DELETE` | `/session/:id/share` | Unshare a session | Returns <a href={typesUrl}><code>Session</code></a> || `GET` | `/session/:id/diff` | Get the diff for this session | query: `messageID?`, returns <a href={typesUrl}><code>FileDiff[]</code></a> || `POST` | `/session/:id/summarize` | Summarize the session | body: `{ providerID, modelID }`, returns `boolean` || `POST` | `/session/:id/revert` | Revert a message | body: `{ messageID, partID? }`, returns `boolean` || `POST` | `/session/:id/unrevert` | Restore all reverted messages | Returns `boolean` || `POST` | `/session/:id/permissions/:permissionID` | Respond to a permission request | body: `{ response, remember? }`, returns `boolean` |
---
### Messages
| Method | Path | Description | Notes || ------ | --------------------------------- | --------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------- || `GET` | `/session/:id/message` | List messages in a session | query: `limit?`, returns `{ info: `<a href={typesUrl}>Message</a>`, parts: `<a href={typesUrl}>Part[]</a>`}[]` || `POST` | `/session/:id/message` | Send a message and wait for response | body: `{ messageID?, model?, agent?, noReply?, system?, tools?, parts }`, returns `{ info: `<a href={typesUrl}>Message</a>`, parts: `<a href={typesUrl}>Part[]</a>`}` || `GET` | `/session/:id/message/:messageID` | Get message details | Returns `{ info: `<a href={typesUrl}>Message</a>`, parts: `<a href={typesUrl}>Part[]</a>`}` || `POST` | `/session/:id/prompt_async` | Send a message asynchronously (no wait) | body: same as `/session/:id/message`, returns `204 No Content` || `POST` | `/session/:id/command` | Execute a slash command | body: `{ messageID?, agent?, model?, command, arguments }`, returns `{ info: `<a href={typesUrl}>Message</a>`, parts: `<a href={typesUrl}>Part[]</a>`}` || `POST` | `/session/:id/shell` | Run a shell command | body: `{ agent, model?, command }`, returns `{ info: `<a href={typesUrl}>Message</a>`, parts: `<a href={typesUrl}>Part[]</a>`}` |
---
### Commands
| Method | Path | Description | Response || ------ | ---------- | ----------------- | --------------------------------------------- || `GET` | `/command` | List all commands | <a href={typesUrl}><code>Command[]</code></a> |
---
### Files
| Method | Path | Description | Response || ------ | ------------------------ | ---------------------------------- | ------------------------------------------------------------------------------------------- || `GET` | `/find?pattern=<pat>` | Search for text in files | Array of match objects with `path`, `lines`, `line_number`, `absolute_offset`, `submatches` || `GET` | `/find/file?query=<q>` | Find files and directories by name | `string[]` (paths) || `GET` | `/find/symbol?query=<q>` | Find workspace symbols | <a href={typesUrl}><code>Symbol[]</code></a> || `GET` | `/file?path=<path>` | List files and directories | <a href={typesUrl}><code>FileNode[]</code></a> || `GET` | `/file/content?path=<p>` | Read a file | <a href={typesUrl}><code>FileContent</code></a> || `GET` | `/file/status` | Get status for tracked files | <a href={typesUrl}><code>File[]</code></a> |
#### `/find/file` query parameters
- `query` (required) — search string (fuzzy match)- `type` (optional) — limit results to `"file"` or `"directory"`- `directory` (optional) — override the project root for the search- `limit` (optional) — max results (1–200)- `dirs` (optional) — legacy flag (`"false"` returns only files)
---
### Tools (Experimental)
| Method | Path | Description | Response || ------ | ------------------------------------------- | ---------------------------------------- | -------------------------------------------- || `GET` | `/experimental/tool/ids` | List all tool IDs | <a href={typesUrl}><code>ToolIDs</code></a> || `GET` | `/experimental/tool?provider=<p>&model=<m>` | List tools with JSON schemas for a model | <a href={typesUrl}><code>ToolList</code></a> |
---
### LSP, Formatters & MCP
| Method | Path | Description | Response || ------ | ------------ | -------------------------- | -------------------------------------------------------- || `GET` | `/lsp` | Get LSP server status | <a href={typesUrl}><code>LSPStatus[]</code></a> || `GET` | `/formatter` | Get formatter status | <a href={typesUrl}><code>FormatterStatus[]</code></a> || `GET` | `/mcp` | Get MCP server status | `{ [name: string]: `<a href={typesUrl}>MCPStatus</a>` }` || `POST` | `/mcp` | Add MCP server dynamically | body: `{ name, config }`, returns MCP status object |
---
### Agents
| Method | Path | Description | Response || ------ | -------- | ------------------------- | ------------------------------------------- || `GET` | `/agent` | List all available agents | <a href={typesUrl}><code>Agent[]</code></a> |
---
### Logging
| Method | Path | Description | Response || ------ | ------ | ------------------------------------------------------------ | --------- || `POST` | `/log` | Write log entry. Body: `{ service, level, message, extra? }` | `boolean` |
---
### TUI
| Method | Path | Description | Response || ------ | ----------------------- | ------------------------------------------- | ---------------------- || `POST` | `/tui/append-prompt` | Append text to the prompt | `boolean` || `POST` | `/tui/open-help` | Open the help dialog | `boolean` || `POST` | `/tui/open-sessions` | Open the session selector | `boolean` || `POST` | `/tui/open-themes` | Open the theme selector | `boolean` || `POST` | `/tui/open-models` | Open the model selector | `boolean` || `POST` | `/tui/submit-prompt` | Submit the current prompt | `boolean` || `POST` | `/tui/clear-prompt` | Clear the prompt | `boolean` || `POST` | `/tui/execute-command` | Execute a command (`{ command }`) | `boolean` || `POST` | `/tui/show-toast` | Show toast (`{ title?, message, variant }`) | `boolean` || `GET` | `/tui/control/next` | Wait for the next control request | Control request object || `POST` | `/tui/control/response` | Respond to a control request (`{ body }`) | `boolean` |
---
### Auth
| Method | Path | Description | Response || ------ | ----------- | --------------------------------------------------------------- | --------- || `PUT` | `/auth/:id` | Set authentication credentials. Body must match provider schema | `boolean` |
---
### Events
| Method | Path | Description | Response || ------ | -------- | ----------------------------------------------------------------------------- | ------------------------- || `GET` | `/event` | Server-sent events stream. First event is `server.connected`, then bus events | Server-sent events stream |
---
### Docs
| Method | Path | Description | Response || ------ | ------ | ------------------------- | --------------------------- || `GET` | `/doc` | OpenAPI 3.1 specification | HTML page with OpenAPI spec |