{"id":20546197,"url":"https://github.com/potproject/claude-sdk-go","last_synced_at":"2026-01-14T21:38:10.659Z","repository":{"id":227257077,"uuid":"770900448","full_name":"potproject/claude-sdk-go","owner":"potproject","description":"Unofficial Go SDK for the Anthropic Claude API.","archived":false,"fork":false,"pushed_at":"2025-05-17T05:28:04.000Z","size":25,"stargazers_count":23,"open_issues_count":0,"forks_count":4,"subscribers_count":2,"default_branch":"main","last_synced_at":"2025-05-17T06:19:26.059Z","etag":null,"topics":["anthropic","claude","claude-api","golang"],"latest_commit_sha":null,"homepage":"","language":"Go","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/potproject.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null}},"created_at":"2024-03-12T11:07:03.000Z","updated_at":"2025-05-17T05:26:52.000Z","dependencies_parsed_at":"2025-05-17T06:29:09.470Z","dependency_job_id":null,"html_url":"https://github.com/potproject/claude-sdk-go","commit_stats":null,"previous_names":["potproject/claude-sdk-go"],"tags_count":13,"template":false,"template_full_name":null,"purl":"pkg:github/potproject/claude-sdk-go","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/potproject%2Fclaude-sdk-go","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/potproject%2Fclaude-sdk-go/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/potproject%2Fclaude-sdk-go/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/potproject%2Fclaude-sdk-go/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/potproject","download_url":"https://codeload.github.com/potproject/claude-sdk-go/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/potproject%2Fclaude-sdk-go/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28435759,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-14T21:32:52.117Z","status":"ssl_error","status_checked_at":"2026-01-14T21:32:33.442Z","response_time":107,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["anthropic","claude","claude-api","golang"],"created_at":"2024-11-16T02:00:42.193Z","updated_at":"2026-01-14T21:38:10.654Z","avatar_url":"https://github.com/potproject.png","language":"Go","funding_links":[],"categories":["API Wrappers"],"sub_categories":["Go"],"readme":"# claude-sdk-go\n[![Go Reference](https://pkg.go.dev/badge/github.com/potproject/claude-sdk-go.svg)](https://pkg.go.dev/github.com/potproject/claude-sdk-go)\n[![Go Report Card](https://goreportcard.com/badge/github.com/potproject/claude-sdk-go)](https://goreportcard.com/report/github.com/potproject/claude-sdk-go)\n\nThis is the unofficial Go SDK for the Anthropic Claude API.\n\nIt is designed with reference to the [sashabaranov/go-openai](https://github.com/sashabaranov/go-openai).\n\nOfficial Docs: https://docs.anthropic.com/claude/\n\n## Supported\n* /v1/messages\n  * Text Message\n  * Image Message\n  * Streaming Messages\n  * Thinking\n  * Cache Control\n\n## Getting Started\n```bash\ngo get github.com/potproject/claude-sdk-go\n```\n\n## Example\n### Create a Message\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole:    claude.MessagesRoleUser,\n\t\t\t\tContent: \"Hello, world!\",\n\t\t\t\t// Alternatively, you can use ContentTypeText\n\t\t\t\t//\n\t\t\t\t// ContentTypeText: []claude.RequestBodyMessagesMessagesContentTypeText{\n\t\t\t\t// \t{\n\t\t\t\t// \t\tText: \"Hello, world!\",\n\t\t\t\t// \t},\n\t\t\t\t// },\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(res.Content[0].Text)\n\t// Output:\n\t// Hello! How can I assist you today?\n}\n\n```\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Message(Use Cache)\u003c/summary\u003e\n\n### Create a Message(Use Cache)\n```go\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tSystemTypeText: []claude.RequestBodySystemTypeText{\n\t\t\tclaude.UseSystemCacheEphemeral(\"Please speak in Japanese.\"),\n\t\t},\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole: claude.MessagesRoleUser,\n\t\t\t\tContentTypeText: []claude.RequestBodyMessagesMessagesContentTypeText{\n\t\t\t\t\t{\n\t\t\t\t\t\tText:         \"Hello!\",\n\t\t\t\t\t\tCacheControl: claude.UseCacheEphemeral(),\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(res.Content[0].Text)\n\t// Output:\n\t// こんにちは！日本語でお話しましょう。\n\n```\n\n\u003c/details\u003e\n\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Streaming Message\u003c/summary\u003e\n\n### Create a Streaming Message\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"errors\"\n\t\"fmt\"\n\t\"io\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole:    claude.MessagesRoleUser,\n\t\t\t\tContent: \"Hello, world!\",\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tstream, err := c.CreateMessagesStream(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tdefer stream.Close()\n\tfor {\n\t\tres, err := stream.Recv()\n\t\tif errors.Is(err, io.EOF) {\n\t\t\tbreak\n\t\t}\n\t\tif err != nil {\n\t\t\tpanic(err)\n\t\t}\n\t\tfmt.Printf(\"%s\", res.Content[0].Text)\n\t}\n\tfmt.Println()\n\t// Output:\n\t// Hello! How can I assist you today?\n\t//\n}\n\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Message with Image\u003c/summary\u003e\n\n### Create a Message with Image\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3.7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole: claude.MessagesRoleUser,\n\t\t\t\tContentTypeImage: []claude.RequestBodyMessagesMessagesContentTypeImage{\n\t\t\t\t\t{\n\t\t\t\t\t\tSource: claude.TypeImageSourceLoadBase64(\"image/png\", \"iVBORw0K...\"), // Media Type, Base64 String\n\t\t\t\t\t\tCacheControl: claude.UseCacheEphemeral(), // Use Propmt Caching. optional\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(res.Content[0].Text)\n}\n\n```\n\n\u003c/details\u003e\n\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Message with Image(Load File)\u003c/summary\u003e\n\n### Create a Message with Image(Load File)\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tsource, err := claude.TypeImageSourceLoadFile(\"image.png\")\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole: claude.MessagesRoleUser,\n\t\t\t\tContentTypeImage: []claude.RequestBodyMessagesMessagesContentTypeImage{\n\t\t\t\t\t{\n\t\t\t\t\t\tSource: source,\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(res.Content[0].Text)\n}\n\n```\n\n\u003c/details\u003e\n\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Message with Image(Load URL)\u003c/summary\u003e\n\n### Create a Message with Image(Load URL)\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 1024,\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole: claude.MessagesRoleUser,\n\t\t\t\tContentTypeImage: []claude.RequestBodyMessagesMessagesContentTypeImage{\n\t\t\t\t\t{\n\t\t\t\t\t\tSource: claude.TypeImageSourceLoadUrl(\"https://github.com/potproject/claude-sdk-go/blob/main/example/messages_image_file/image.png?raw=true\"),\n\t\t\t\t\t},\n\t\t\t\t},\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tfmt.Println(res.Content[0].Text)\n}\n\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Message (Use Thinking)\u003c/summary\u003e\n\n### Create a Message (Use Thinking)\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"fmt\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 8192,\n\t\tThinking:  claude.UseThinking(4096),\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole:    claude.MessagesRoleUser,\n\t\t\t\tContent: \"Hello, world!\",\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tres, err := c.CreateMessages(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\n\t// Output:\n\t// [thinking] This is a simple \"Hello, world!\" greeting from the user. It's a common first phrase in programming and also a standard greeting in conversations with AI assistants. I should respond in a friendly and welcoming manner.\n\t// [text] Hi there! It's nice to meet you. \"Hello, world!\" is such a classic greeting - it brings back memories of first programming lessons for many! How are you doing today? Is there something specific I can help you with?\n\tfor _, v := range res.Content {\n\t\tif v.Type == claude.ResponseBodyMessagesContentTypeThinking {\n\t\t\tfmt.Println(\"[thinking]\", v.Thinking)\n\t\t}\n\t\tif v.Type == claude.ResponseBodyMessagesContentTypeText {\n\t\t\tfmt.Println(\"[text]\", v.Text)\n\t\t}\n\t}\n}\n\n```\n\n\u003c/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eCreate a Streaming Message (Use Thinking)\u003c/summary\u003e\n\n### Create a Streaming Message (Use Thinking)\n```go\npackage main\n\nimport (\n\t\"context\"\n\t\"errors\"\n\t\"fmt\"\n\t\"io\"\n\t\"os\"\n\n\tclaude \"github.com/potproject/claude-sdk-go\"\n)\n\nfunc main() {\n\tapiKey := os.Getenv(\"API_KEY\")\n\tc := claude.NewClient(apiKey)\n\tm := claude.RequestBodyMessages{\n\t\tModel:     \"claude-3-7-sonnet-20250219\",\n\t\tMaxTokens: 8192,\n\t\tThinking:  claude.UseThinking(4096),\n\t\tMessages: []claude.RequestBodyMessagesMessages{\n\t\t\t{\n\t\t\t\tRole:    claude.MessagesRoleUser,\n\t\t\t\tContent: \"Guess the Earth's population in 2100\",\n\t\t\t},\n\t\t},\n\t}\n\tctx := context.Background()\n\tstream, err := c.CreateMessagesStream(ctx, m)\n\tif err != nil {\n\t\tpanic(err)\n\t}\n\tdefer stream.Close()\n\tstreamType := \"\"\n\tfor {\n\t\tres, err := stream.Recv()\n\t\tif errors.Is(err, io.EOF) {\n\t\t\tbreak\n\t\t}\n\t\tif err != nil {\n\t\t\tpanic(err)\n\t\t}\n\t\tif res.Content[0].Type == claude.ResponseBodyMessagesContentTypeThinking \u0026\u0026 streamType != claude.ResponseBodyMessagesContentTypeThinking {\n\t\t\tfmt.Println(\"[thinking]\")\n\t\t\tstreamType = claude.ResponseBodyMessagesContentTypeThinking\n\t\t}\n\t\tif res.Content[0].Type == claude.ResponseBodyMessagesContentTypeText \u0026\u0026 streamType != claude.ResponseBodyMessagesContentTypeText {\n\t\t\tfmt.Println()\n\t\t\tfmt.Println(\"[text]\")\n\t\t\tstreamType = claude.ResponseBodyMessagesContentTypeText\n\t\t}\n\n\t\tfmt.Printf(\"%s\", res.Content[0].Thinking)\n\t\tfmt.Printf(\"%s\", res.Content[0].Text)\n\t}\n\tfmt.Println()\n}\n\n\n```\n\n\u003c/details\u003e\n\n## LICENSE\nMIT","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpotproject%2Fclaude-sdk-go","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fpotproject%2Fclaude-sdk-go","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fpotproject%2Fclaude-sdk-go/lists"}