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This repository was archived by the owner on Sep 18, 2025. It is now read-only.
/opencodePublic archive

Commitb9bedba

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feat: add github copilot provider (#230)
* feat: add github copilot* fix: add support for claude4
1 parent73729ef commitb9bedba

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13 files changed

+1276
-48
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13 files changed

+1276
-48
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‎.gitignore‎

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -44,3 +44,4 @@ Thumbs.db
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.opencode/
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opencode
47+
opencode.md

‎README.md‎

Lines changed: 56 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -96,22 +96,23 @@ You can enable or disable this feature in your configuration file:
9696

9797
You can configure OpenCode using environment variables:
9898

99-
| Environment Variable| Purpose|
100-
| --------------------------| ------------------------------------------------------|
101-
|`ANTHROPIC_API_KEY`| For Claude models|
102-
|`OPENAI_API_KEY`| For OpenAI models|
103-
|`GEMINI_API_KEY`| For Google Gemini models|
104-
|`VERTEXAI_PROJECT`| For Google Cloud VertexAI (Gemini)|
105-
|`VERTEXAI_LOCATION`| For Google Cloud VertexAI (Gemini)|
106-
|`GROQ_API_KEY`| For Groq models|
107-
|`AWS_ACCESS_KEY_ID`| For AWS Bedrock (Claude)|
108-
|`AWS_SECRET_ACCESS_KEY`| For AWS Bedrock (Claude)|
109-
|`AWS_REGION`| For AWS Bedrock (Claude)|
110-
|`AZURE_OPENAI_ENDPOINT`| For Azure OpenAI models|
111-
|`AZURE_OPENAI_API_KEY`| For Azure OpenAI models (optional when using Entra ID)|
112-
|`AZURE_OPENAI_API_VERSION`| For Azure OpenAI models|
113-
|`LOCAL_ENDPOINT`| For self-hosted models|
114-
|`SHELL`| Default shell to use (if not specified in config)|
99+
| Environment Variable| Purpose|
100+
| --------------------------| --------------------------------------------------------------------------------|
101+
|`ANTHROPIC_API_KEY`| For Claude models|
102+
|`OPENAI_API_KEY`| For OpenAI models|
103+
|`GEMINI_API_KEY`| For Google Gemini models|
104+
|`GITHUB_TOKEN`| For Github Copilot models (see[Using Github Copilot](#using-github-copilot))|
105+
|`VERTEXAI_PROJECT`| For Google Cloud VertexAI (Gemini)|
106+
|`VERTEXAI_LOCATION`| For Google Cloud VertexAI (Gemini)|
107+
|`GROQ_API_KEY`| For Groq models|
108+
|`AWS_ACCESS_KEY_ID`| For AWS Bedrock (Claude)|
109+
|`AWS_SECRET_ACCESS_KEY`| For AWS Bedrock (Claude)|
110+
|`AWS_REGION`| For AWS Bedrock (Claude)|
111+
|`AZURE_OPENAI_ENDPOINT`| For Azure OpenAI models|
112+
|`AZURE_OPENAI_API_KEY`| For Azure OpenAI models (optional when using Entra ID)|
113+
|`AZURE_OPENAI_API_VERSION`| For Azure OpenAI models|
114+
|`LOCAL_ENDPOINT`| For self-hosted models|
115+
|`SHELL`| Default shell to use (if not specified in config)|
115116

116117
###Shell Configuration
117118

@@ -146,6 +147,9 @@ This is useful if you want to use a different shell than your default system she
146147
"apiKey":"your-api-key",
147148
"disabled":false
148149
},
150+
"copilot": {
151+
"disabled":false
152+
},
149153
"groq": {
150154
"apiKey":"your-api-key",
151155
"disabled":false
@@ -216,6 +220,23 @@ OpenCode supports a variety of AI models from different providers:
216220
- Claude 3 Haiku
217221
- Claude 3 Opus
218222

223+
###GitHub Copilot
224+
225+
- GPT-3.5 Turbo
226+
- GPT-4
227+
- GPT-4o
228+
- GPT-4o Mini
229+
- GPT-4.1
230+
- Claude 3.5 Sonnet
231+
- Claude 3.7 Sonnet
232+
- Claude 3.7 Sonnet Thinking
233+
- Claude Sonnet 4
234+
- O1
235+
- O3 Mini
236+
- O4 Mini
237+
- Gemini 2.0 Flash
238+
- Gemini 2.5 Pro
239+
219240
###Google
220241

221242
- Gemini 2.5
@@ -579,6 +600,25 @@ The AI assistant can access LSP features through the `diagnostics` tool, allowin
579600

580601
While the LSP client implementation supports the full LSP protocol (including completions, hover, definition, etc.), currently only diagnostics are exposed to the AI assistant.
581602

603+
##Using Github Copilot
604+
605+
_Copilot support is currently experimental._
606+
607+
###Requirements
608+
-[Copilot chat in the IDE](https://github.com/settings/copilot) enabled in GitHub settings
609+
- One of:
610+
- VSCode Github Copilot chat extension
611+
- Github`gh` CLI
612+
- Neovim Github Copilot plugin (`copilot.vim` or`copilot.lua`)
613+
- Github token with copilot permissions
614+
615+
If using one of the above plugins or cli tools, make sure you use the authenticate
616+
the tool with your github account. This should create a github token at one of the following locations:
617+
-~/.config/github-copilot/[hosts,apps].json
618+
- $XDG_CONFIG_HOME/github-copilot/[hosts,apps].json
619+
620+
If using an explicit github token, you may either set the $GITHUB_TOKEN environment variable or add it to the opencode.json config file at`providers.copilot.apiKey`.
621+
582622
##Using a self-hosted model provider
583623

584624
OpenCode can also load and use models from a self-hosted (OpenAI-like) provider.

‎internal/config/config.go‎

Lines changed: 108 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -7,6 +7,7 @@ import (
77
"log/slog"
88
"os"
99
"path/filepath"
10+
"runtime"
1011
"strings"
1112

1213
"github.com/opencode-ai/opencode/internal/llm/models"
@@ -161,6 +162,7 @@ func Load(workingDir string, debug bool) (*Config, error) {
161162
}
162163
ifos.Getenv("OPENCODE_DEV_DEBUG")=="true" {
163164
loggingFile:=fmt.Sprintf("%s/%s",cfg.Data.Directory,"debug.log")
165+
messagesPath:=fmt.Sprintf("%s/%s",cfg.Data.Directory,"messages")
164166

165167
// if file does not exist create it
166168
if_,err:=os.Stat(loggingFile);os.IsNotExist(err) {
@@ -172,6 +174,13 @@ func Load(workingDir string, debug bool) (*Config, error) {
172174
}
173175
}
174176

177+
if_,err:=os.Stat(messagesPath);os.IsNotExist(err) {
178+
iferr:=os.MkdirAll(messagesPath,0o756);err!=nil {
179+
returncfg,fmt.Errorf("failed to create directory: %w",err)
180+
}
181+
}
182+
logging.MessageDir=messagesPath
183+
175184
sloggingFileWriter,err:=os.OpenFile(loggingFile,os.O_CREATE|os.O_WRONLY|os.O_APPEND,0o666)
176185
iferr!=nil {
177186
returncfg,fmt.Errorf("failed to open log file: %w",err)
@@ -245,6 +254,7 @@ func setDefaults(debug bool) {
245254
// environment variables and configuration file.
246255
funcsetProviderDefaults() {
247256
// Set all API keys we can find in the environment
257+
// Note: Viper does not default if the json apiKey is ""
248258
ifapiKey:=os.Getenv("ANTHROPIC_API_KEY");apiKey!="" {
249259
viper.SetDefault("providers.anthropic.apiKey",apiKey)
250260
}
@@ -267,16 +277,32 @@ func setProviderDefaults() {
267277
// api-key may be empty when using Entra ID credentials – that's okay
268278
viper.SetDefault("providers.azure.apiKey",os.Getenv("AZURE_OPENAI_API_KEY"))
269279
}
280+
ifapiKey,err:=LoadGitHubToken();err==nil&&apiKey!="" {
281+
viper.SetDefault("providers.copilot.apiKey",apiKey)
282+
ifviper.GetString("providers.copilot.apiKey")=="" {
283+
viper.Set("providers.copilot.apiKey",apiKey)
284+
}
285+
}
270286

271287
// Use this order to set the default models
272-
// 1. Anthropic
273-
// 2. OpenAI
274-
// 3. Google Gemini
275-
// 4. Groq
276-
// 5. OpenRouter
277-
// 6. AWS Bedrock
278-
// 7. Azure
279-
// 8. Google Cloud VertexAI
288+
// 1. Copilot
289+
// 2. Anthropic
290+
// 3. OpenAI
291+
// 4. Google Gemini
292+
// 5. Groq
293+
// 6. OpenRouter
294+
// 7. AWS Bedrock
295+
// 8. Azure
296+
// 9. Google Cloud VertexAI
297+
298+
// copilot configuration
299+
ifkey:=viper.GetString("providers.copilot.apiKey");strings.TrimSpace(key)!="" {
300+
viper.SetDefault("agents.coder.model",models.CopilotGPT4o)
301+
viper.SetDefault("agents.summarizer.model",models.CopilotGPT4o)
302+
viper.SetDefault("agents.task.model",models.CopilotGPT4o)
303+
viper.SetDefault("agents.title.model",models.CopilotGPT4o)
304+
return
305+
}
280306

281307
// Anthropic configuration
282308
ifkey:=viper.GetString("providers.anthropic.apiKey");strings.TrimSpace(key)!="" {
@@ -399,6 +425,14 @@ func hasVertexAICredentials() bool {
399425
returnfalse
400426
}
401427

428+
funchasCopilotCredentials()bool {
429+
// Check for explicit Copilot parameters
430+
iftoken,_:=LoadGitHubToken();token!="" {
431+
returntrue
432+
}
433+
returnfalse
434+
}
435+
402436
// readConfig handles the result of reading a configuration file.
403437
funcreadConfig(errerror)error {
404438
iferr==nil {
@@ -440,6 +474,9 @@ func applyDefaultValues() {
440474
// It validates model IDs and providers, ensuring they are supported.
441475
funcvalidateAgent(cfg*Config,nameAgentName,agentAgent)error {
442476
// Check if model exists
477+
// TODO:If a copilot model is specified, but model is not found,
478+
// it might be new model. The https://api.githubcopilot.com/models
479+
// endpoint should be queried to validate if the model is supported.
443480
model,modelExists:=models.SupportedModels[agent.Model]
444481
if!modelExists {
445482
logging.Warn("unsupported model configured, reverting to default",
@@ -584,6 +621,7 @@ func Validate() error {
584621
// Validate providers
585622
forprovider,providerCfg:=rangecfg.Providers {
586623
ifproviderCfg.APIKey==""&&!providerCfg.Disabled {
624+
fmt.Printf("provider has no API key, marking as disabled %s",provider)
587625
logging.Warn("provider has no API key, marking as disabled","provider",provider)
588626
providerCfg.Disabled=true
589627
cfg.Providers[provider]=providerCfg
@@ -631,6 +669,18 @@ func getProviderAPIKey(provider models.ModelProvider) string {
631669

632670
// setDefaultModelForAgent sets a default model for an agent based on available providers
633671
funcsetDefaultModelForAgent(agentAgentName)bool {
672+
ifhasCopilotCredentials() {
673+
maxTokens:=int64(5000)
674+
ifagent==AgentTitle {
675+
maxTokens=80
676+
}
677+
678+
cfg.Agents[agent]=Agent{
679+
Model:models.CopilotGPT4o,
680+
MaxTokens:maxTokens,
681+
}
682+
returntrue
683+
}
634684
// Check providers in order of preference
635685
ifapiKey:=os.Getenv("ANTHROPIC_API_KEY");apiKey!="" {
636686
maxTokens:=int64(5000)
@@ -878,3 +928,53 @@ func UpdateTheme(themeName string) error {
878928
config.TUI.Theme=themeName
879929
})
880930
}
931+
932+
// Tries to load Github token from all possible locations
933+
funcLoadGitHubToken() (string,error) {
934+
// First check environment variable
935+
iftoken:=os.Getenv("GITHUB_TOKEN");token!="" {
936+
returntoken,nil
937+
}
938+
939+
// Get config directory
940+
varconfigDirstring
941+
ifxdgConfig:=os.Getenv("XDG_CONFIG_HOME");xdgConfig!="" {
942+
configDir=xdgConfig
943+
}elseifruntime.GOOS=="windows" {
944+
iflocalAppData:=os.Getenv("LOCALAPPDATA");localAppData!="" {
945+
configDir=localAppData
946+
}else {
947+
configDir=filepath.Join(os.Getenv("HOME"),"AppData","Local")
948+
}
949+
}else {
950+
configDir=filepath.Join(os.Getenv("HOME"),".config")
951+
}
952+
953+
// Try both hosts.json and apps.json files
954+
filePaths:= []string{
955+
filepath.Join(configDir,"github-copilot","hosts.json"),
956+
filepath.Join(configDir,"github-copilot","apps.json"),
957+
}
958+
959+
for_,filePath:=rangefilePaths {
960+
data,err:=os.ReadFile(filePath)
961+
iferr!=nil {
962+
continue
963+
}
964+
965+
varconfigmap[string]map[string]interface{}
966+
iferr:=json.Unmarshal(data,&config);err!=nil {
967+
continue
968+
}
969+
970+
forkey,value:=rangeconfig {
971+
ifstrings.Contains(key,"github.com") {
972+
ifoauthToken,ok:=value["oauth_token"].(string);ok {
973+
returnoauthToken,nil
974+
}
975+
}
976+
}
977+
}
978+
979+
return"",fmt.Errorf("GitHub token not found in standard locations")
980+
}

‎internal/llm/agent/agent.go‎

Lines changed: 21 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -162,6 +162,7 @@ func (a *agent) generateTitle(ctx context.Context, sessionID string, content str
162162
iferr!=nil {
163163
returnerr
164164
}
165+
ctx=context.WithValue(ctx,tools.SessionIDContextKey,sessionID)
165166
parts:= []message.ContentPart{message.TextContent{Text:content}}
166167
response,err:=a.titleProvider.SendMessages(
167168
ctx,
@@ -230,6 +231,7 @@ func (a *agent) Run(ctx context.Context, sessionID string, content string, attac
230231
}
231232

232233
func (a*agent)processGeneration(ctx context.Context,sessionID,contentstring,attachmentParts []message.ContentPart)AgentEvent {
234+
cfg:=config.Get()
233235
// List existing messages; if none, start title generation asynchronously.
234236
msgs,err:=a.messages.List(ctx,sessionID)
235237
iferr!=nil {
@@ -288,7 +290,13 @@ func (a *agent) processGeneration(ctx context.Context, sessionID, content string
288290
}
289291
returna.err(fmt.Errorf("failed to process events: %w",err))
290292
}
291-
logging.Info("Result","message",agentMessage.FinishReason(),"toolResults",toolResults)
293+
ifcfg.Debug {
294+
seqId:= (len(msgHistory)+1)/2
295+
toolResultFilepath:=logging.WriteToolResultsJson(sessionID,seqId,toolResults)
296+
logging.Info("Result","message",agentMessage.FinishReason(),"toolResults","{}","filepath",toolResultFilepath)
297+
}else {
298+
logging.Info("Result","message",agentMessage.FinishReason(),"toolResults",toolResults)
299+
}
292300
if (agentMessage.FinishReason()==message.FinishReasonToolUse)&&toolResults!=nil {
293301
// We are not done, we need to respond with the tool response
294302
msgHistory=append(msgHistory,agentMessage,*toolResults)
@@ -312,6 +320,7 @@ func (a *agent) createUserMessage(ctx context.Context, sessionID, content string
312320
}
313321

314322
func (a*agent)streamAndHandleEvents(ctx context.Context,sessionIDstring,msgHistory []message.Message) (message.Message,*message.Message,error) {
323+
ctx=context.WithValue(ctx,tools.SessionIDContextKey,sessionID)
315324
eventChan:=a.provider.StreamResponse(ctx,msgHistory,a.tools)
316325

317326
assistantMsg,err:=a.messages.Create(ctx,sessionID, message.CreateMessageParams{
@@ -325,7 +334,6 @@ func (a *agent) streamAndHandleEvents(ctx context.Context, sessionID string, msg
325334

326335
// Add the session and message ID into the context if needed by tools.
327336
ctx=context.WithValue(ctx,tools.MessageIDContextKey,assistantMsg.ID)
328-
ctx=context.WithValue(ctx,tools.SessionIDContextKey,sessionID)
329337

330338
// Process each event in the stream.
331339
forevent:=rangeeventChan {
@@ -357,10 +365,17 @@ func (a *agent) streamAndHandleEvents(ctx context.Context, sessionID string, msg
357365
default:
358366
// Continue processing
359367
vartool tools.BaseTool
360-
for_,availableTools:=rangea.tools {
361-
ifavailableTools.Info().Name==toolCall.Name {
362-
tool=availableTools
368+
for_,availableTool:=rangea.tools {
369+
ifavailableTool.Info().Name==toolCall.Name {
370+
tool=availableTool
371+
break
363372
}
373+
// Monkey patch for Copilot Sonnet-4 tool repetition obfuscation
374+
// if strings.HasPrefix(toolCall.Name, availableTool.Info().Name) &&
375+
// strings.HasPrefix(toolCall.Name, availableTool.Info().Name+availableTool.Info().Name) {
376+
// tool = availableTool
377+
// break
378+
// }
364379
}
365380

366381
// Tool not found
@@ -553,6 +568,7 @@ func (a *agent) Summarize(ctx context.Context, sessionID string) error {
553568
a.Publish(pubsub.CreatedEvent,event)
554569
return
555570
}
571+
summarizeCtx=context.WithValue(summarizeCtx,tools.SessionIDContextKey,sessionID)
556572

557573
iflen(msgs)==0 {
558574
event=AgentEvent{

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