1package config
2
3import (
4 "cmp"
5 "context"
6 "fmt"
7 "log/slog"
8 "maps"
9 "net/http"
10 "net/url"
11 "os"
12 "path/filepath"
13 "slices"
14 "strings"
15 "time"
16
17 "github.com/charmbracelet/catwalk/pkg/catwalk"
18 hyperp "github.com/charmbracelet/crush/internal/agent/hyper"
19 "github.com/charmbracelet/crush/internal/csync"
20 "github.com/charmbracelet/crush/internal/env"
21 "github.com/charmbracelet/crush/internal/oauth"
22 "github.com/charmbracelet/crush/internal/oauth/claude"
23 "github.com/charmbracelet/crush/internal/oauth/copilot"
24 "github.com/charmbracelet/crush/internal/oauth/hyper"
25 "github.com/invopop/jsonschema"
26 "github.com/tidwall/gjson"
27 "github.com/tidwall/sjson"
28)
29
30const (
31 appName = "crush"
32 defaultDataDirectory = ".crush"
33 defaultInitializeAs = "AGENTS.md"
34)
35
36var defaultContextPaths = []string{
37 ".github/copilot-instructions.md",
38 ".cursorrules",
39 ".cursor/rules/",
40 "CLAUDE.md",
41 "CLAUDE.local.md",
42 "GEMINI.md",
43 "gemini.md",
44 "crush.md",
45 "crush.local.md",
46 "Crush.md",
47 "Crush.local.md",
48 "CRUSH.md",
49 "CRUSH.local.md",
50 "AGENTS.md",
51 "agents.md",
52 "Agents.md",
53}
54
55type SelectedModelType string
56
57const (
58 SelectedModelTypeLarge SelectedModelType = "large"
59 SelectedModelTypeSmall SelectedModelType = "small"
60)
61
62const (
63 AgentCoder string = "coder"
64 AgentTask string = "task"
65)
66
67type SelectedModel struct {
68 // The model id as used by the provider API.
69 // Required.
70 Model string `json:"model" jsonschema:"required,description=The model ID as used by the provider API,example=gpt-4o"`
71 // The model provider, same as the key/id used in the providers config.
72 // Required.
73 Provider string `json:"provider" jsonschema:"required,description=The model provider ID that matches a key in the providers config,example=openai"`
74
75 // Only used by models that use the openai provider and need this set.
76 ReasoningEffort string `json:"reasoning_effort,omitempty" jsonschema:"description=Reasoning effort level for OpenAI models that support it,enum=low,enum=medium,enum=high"`
77
78 // Used by anthropic models that can reason to indicate if the model should think.
79 Think bool `json:"think,omitempty" jsonschema:"description=Enable thinking mode for Anthropic models that support reasoning"`
80
81 // Overrides the default model configuration.
82 MaxTokens int64 `json:"max_tokens,omitempty" jsonschema:"description=Maximum number of tokens for model responses,maximum=200000,example=4096"`
83 Temperature *float64 `json:"temperature,omitempty" jsonschema:"description=Sampling temperature,minimum=0,maximum=1,example=0.7"`
84 TopP *float64 `json:"top_p,omitempty" jsonschema:"description=Top-p (nucleus) sampling parameter,minimum=0,maximum=1,example=0.9"`
85 TopK *int64 `json:"top_k,omitempty" jsonschema:"description=Top-k sampling parameter"`
86 FrequencyPenalty *float64 `json:"frequency_penalty,omitempty" jsonschema:"description=Frequency penalty to reduce repetition"`
87 PresencePenalty *float64 `json:"presence_penalty,omitempty" jsonschema:"description=Presence penalty to increase topic diversity"`
88
89 // Override provider specific options.
90 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for the model"`
91}
92
93type ProviderConfig struct {
94 // The provider's id.
95 ID string `json:"id,omitempty" jsonschema:"description=Unique identifier for the provider,example=openai"`
96 // The provider's name, used for display purposes.
97 Name string `json:"name,omitempty" jsonschema:"description=Human-readable name for the provider,example=OpenAI"`
98 // The provider's API endpoint.
99 BaseURL string `json:"base_url,omitempty" jsonschema:"description=Base URL for the provider's API,format=uri,example=https://api.openai.com/v1"`
100 // The provider type, e.g. "openai", "anthropic", etc. if empty it defaults to openai.
101 Type catwalk.Type `json:"type,omitempty" jsonschema:"description=Provider type that determines the API format,enum=openai,enum=openai-compat,enum=anthropic,enum=gemini,enum=azure,enum=vertexai,default=openai"`
102 // The provider's API key.
103 APIKey string `json:"api_key,omitempty" jsonschema:"description=API key for authentication with the provider,example=$OPENAI_API_KEY"`
104 // The original API key template before resolution (for re-resolution on auth errors).
105 APIKeyTemplate string `json:"-"`
106 // OAuthToken for providers that use OAuth2 authentication.
107 OAuthToken *oauth.Token `json:"oauth,omitempty" jsonschema:"description=OAuth2 token for authentication with the provider"`
108 // Marks the provider as disabled.
109 Disable bool `json:"disable,omitempty" jsonschema:"description=Whether this provider is disabled,default=false"`
110
111 // Custom system prompt prefix.
112 SystemPromptPrefix string `json:"system_prompt_prefix,omitempty" jsonschema:"description=Custom prefix to add to system prompts for this provider"`
113
114 // Extra headers to send with each request to the provider.
115 ExtraHeaders map[string]string `json:"extra_headers,omitempty" jsonschema:"description=Additional HTTP headers to send with requests"`
116 // Extra body
117 ExtraBody map[string]any `json:"extra_body,omitempty" jsonschema:"description=Additional fields to include in request bodies, only works with openai-compatible providers"`
118
119 ProviderOptions map[string]any `json:"provider_options,omitempty" jsonschema:"description=Additional provider-specific options for this provider"`
120
121 // Used to pass extra parameters to the provider.
122 ExtraParams map[string]string `json:"-"`
123
124 // The provider models
125 Models []catwalk.Model `json:"models,omitempty" jsonschema:"description=List of models available from this provider"`
126}
127
128// ToProvider converts the [ProviderConfig] to a [catwalk.Provider].
129func (pc *ProviderConfig) ToProvider() catwalk.Provider {
130 // Convert config provider to provider.Provider format
131 provider := catwalk.Provider{
132 Name: pc.Name,
133 ID: catwalk.InferenceProvider(pc.ID),
134 Models: make([]catwalk.Model, len(pc.Models)),
135 }
136
137 // Convert models
138 for i, model := range pc.Models {
139 provider.Models[i] = catwalk.Model{
140 ID: model.ID,
141 Name: model.Name,
142 CostPer1MIn: model.CostPer1MIn,
143 CostPer1MOut: model.CostPer1MOut,
144 CostPer1MInCached: model.CostPer1MInCached,
145 CostPer1MOutCached: model.CostPer1MOutCached,
146 ContextWindow: model.ContextWindow,
147 DefaultMaxTokens: model.DefaultMaxTokens,
148 CanReason: model.CanReason,
149 ReasoningLevels: model.ReasoningLevels,
150 DefaultReasoningEffort: model.DefaultReasoningEffort,
151 SupportsImages: model.SupportsImages,
152 }
153 }
154
155 return provider
156}
157
158func (pc *ProviderConfig) SetupClaudeCode() {
159 pc.SystemPromptPrefix = "You are Claude Code, Anthropic's official CLI for Claude."
160 pc.ExtraHeaders["anthropic-version"] = "2023-06-01"
161
162 value := pc.ExtraHeaders["anthropic-beta"]
163 const want = "oauth-2025-04-20"
164 if !strings.Contains(value, want) {
165 if value != "" {
166 value += ","
167 }
168 value += want
169 }
170 pc.ExtraHeaders["anthropic-beta"] = value
171}
172
173func (pc *ProviderConfig) SetupGitHubCopilot() {
174 maps.Copy(pc.ExtraHeaders, copilot.Headers())
175}
176
177type MCPType string
178
179const (
180 MCPStdio MCPType = "stdio"
181 MCPSSE MCPType = "sse"
182 MCPHttp MCPType = "http"
183)
184
185type MCPConfig struct {
186 Command string `json:"command,omitempty" jsonschema:"description=Command to execute for stdio MCP servers,example=npx"`
187 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set for the MCP server"`
188 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the MCP server command"`
189 Type MCPType `json:"type" jsonschema:"required,description=Type of MCP connection,enum=stdio,enum=sse,enum=http,default=stdio"`
190 URL string `json:"url,omitempty" jsonschema:"description=URL for HTTP or SSE MCP servers,format=uri,example=http://localhost:3000/mcp"`
191 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this MCP server is disabled,default=false"`
192 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of tools from this MCP server to disable,example=get-library-doc"`
193 Timeout int `json:"timeout,omitempty" jsonschema:"description=Timeout in seconds for MCP server connections,default=15,example=30,example=60,example=120"`
194
195 // TODO: maybe make it possible to get the value from the env
196 Headers map[string]string `json:"headers,omitempty" jsonschema:"description=HTTP headers for HTTP/SSE MCP servers"`
197}
198
199type LSPConfig struct {
200 Disabled bool `json:"disabled,omitempty" jsonschema:"description=Whether this LSP server is disabled,default=false"`
201 Command string `json:"command,omitempty" jsonschema:"required,description=Command to execute for the LSP server,example=gopls"`
202 Args []string `json:"args,omitempty" jsonschema:"description=Arguments to pass to the LSP server command"`
203 Env map[string]string `json:"env,omitempty" jsonschema:"description=Environment variables to set to the LSP server command"`
204 FileTypes []string `json:"filetypes,omitempty" jsonschema:"description=File types this LSP server handles,example=go,example=mod,example=rs,example=c,example=js,example=ts"`
205 RootMarkers []string `json:"root_markers,omitempty" jsonschema:"description=Files or directories that indicate the project root,example=go.mod,example=package.json,example=Cargo.toml"`
206 InitOptions map[string]any `json:"init_options,omitempty" jsonschema:"description=Initialization options passed to the LSP server during initialize request"`
207 Options map[string]any `json:"options,omitempty" jsonschema:"description=LSP server-specific settings passed during initialization"`
208}
209
210type TUIOptions struct {
211 CompactMode bool `json:"compact_mode,omitempty" jsonschema:"description=Enable compact mode for the TUI interface,default=false"`
212 DiffMode string `json:"diff_mode,omitempty" jsonschema:"description=Diff mode for the TUI interface,enum=unified,enum=split"`
213 // Here we can add themes later or any TUI related options
214 //
215
216 Completions Completions `json:"completions,omitzero" jsonschema:"description=Completions UI options"`
217}
218
219// Completions defines options for the completions UI.
220type Completions struct {
221 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
222 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
223}
224
225func (c Completions) Limits() (depth, items int) {
226 return ptrValOr(c.MaxDepth, 0), ptrValOr(c.MaxItems, 0)
227}
228
229type Permissions struct {
230 AllowedTools []string `json:"allowed_tools,omitempty" jsonschema:"description=List of tools that don't require permission prompts,example=bash,example=view"` // Tools that don't require permission prompts
231 SkipRequests bool `json:"-"` // Automatically accept all permissions (YOLO mode)
232}
233
234type TrailerStyle string
235
236const (
237 TrailerStyleNone TrailerStyle = "none"
238 TrailerStyleCoAuthoredBy TrailerStyle = "co-authored-by"
239 TrailerStyleAssistedBy TrailerStyle = "assisted-by"
240)
241
242type Attribution struct {
243 TrailerStyle TrailerStyle `json:"trailer_style,omitempty" jsonschema:"description=Style of attribution trailer to add to commits,enum=none,enum=co-authored-by,enum=assisted-by,default=assisted-by"`
244 CoAuthoredBy *bool `json:"co_authored_by,omitempty" jsonschema:"description=Deprecated: use trailer_style instead"`
245 GeneratedWith bool `json:"generated_with,omitempty" jsonschema:"description=Add Generated with Crush line to commit messages and issues and PRs,default=true"`
246}
247
248// JSONSchemaExtend marks the co_authored_by field as deprecated in the schema.
249func (Attribution) JSONSchemaExtend(schema *jsonschema.Schema) {
250 if schema.Properties != nil {
251 if prop, ok := schema.Properties.Get("co_authored_by"); ok {
252 prop.Deprecated = true
253 }
254 }
255}
256
257type Options struct {
258 ContextPaths []string `json:"context_paths,omitempty" jsonschema:"description=Paths to files containing context information for the AI,example=.cursorrules,example=CRUSH.md"`
259 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
260 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
261 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
262 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
263 DataDirectory string `json:"data_directory,omitempty" jsonschema:"description=Directory for storing application data (relative to working directory),default=.crush,example=.crush"` // Relative to the cwd
264 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of built-in tools to disable and hide from the agent,example=bash,example=sourcegraph"`
265 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
266 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
267 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
268 InitializeAs string `json:"initialize_as,omitempty" jsonschema:"description=Name of the context file to create/update during project initialization,default=AGENTS.md,example=AGENTS.md,example=CRUSH.md,example=CLAUDE.md,example=docs/LLMs.md"`
269}
270
271type MCPs map[string]MCPConfig
272
273type MCP struct {
274 Name string `json:"name"`
275 MCP MCPConfig `json:"mcp"`
276}
277
278func (m MCPs) Sorted() []MCP {
279 sorted := make([]MCP, 0, len(m))
280 for k, v := range m {
281 sorted = append(sorted, MCP{
282 Name: k,
283 MCP: v,
284 })
285 }
286 slices.SortFunc(sorted, func(a, b MCP) int {
287 return strings.Compare(a.Name, b.Name)
288 })
289 return sorted
290}
291
292type LSPs map[string]LSPConfig
293
294type LSP struct {
295 Name string `json:"name"`
296 LSP LSPConfig `json:"lsp"`
297}
298
299func (l LSPs) Sorted() []LSP {
300 sorted := make([]LSP, 0, len(l))
301 for k, v := range l {
302 sorted = append(sorted, LSP{
303 Name: k,
304 LSP: v,
305 })
306 }
307 slices.SortFunc(sorted, func(a, b LSP) int {
308 return strings.Compare(a.Name, b.Name)
309 })
310 return sorted
311}
312
313func (l LSPConfig) ResolvedEnv() []string {
314 return resolveEnvs(l.Env)
315}
316
317func (m MCPConfig) ResolvedEnv() []string {
318 return resolveEnvs(m.Env)
319}
320
321func (m MCPConfig) ResolvedHeaders() map[string]string {
322 resolver := NewShellVariableResolver(env.New())
323 for e, v := range m.Headers {
324 var err error
325 m.Headers[e], err = resolver.ResolveValue(v)
326 if err != nil {
327 slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
328 continue
329 }
330 }
331 return m.Headers
332}
333
334type Agent struct {
335 ID string `json:"id,omitempty"`
336 Name string `json:"name,omitempty"`
337 Description string `json:"description,omitempty"`
338 // This is the id of the system prompt used by the agent
339 Disabled bool `json:"disabled,omitempty"`
340
341 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
342
343 // The available tools for the agent
344 // if this is nil, all tools are available
345 AllowedTools []string `json:"allowed_tools,omitempty"`
346
347 // this tells us which MCPs are available for this agent
348 // if this is empty all mcps are available
349 // the string array is the list of tools from the AllowedMCP the agent has available
350 // if the string array is nil, all tools from the AllowedMCP are available
351 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
352
353 // Overrides the context paths for this agent
354 ContextPaths []string `json:"context_paths,omitempty"`
355}
356
357type Tools struct {
358 Ls ToolLs `json:"ls,omitzero"`
359}
360
361type ToolLs struct {
362 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
363 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
364}
365
366func (t ToolLs) Limits() (depth, items int) {
367 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
368}
369
370// Config holds the configuration for crush.
371type Config struct {
372 Schema string `json:"$schema,omitempty"`
373
374 // We currently only support large/small as values here.
375 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
376 // Recently used models stored in the data directory config.
377 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"description=Recently used models sorted by most recent first"`
378
379 // The providers that are configured
380 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
381
382 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
383
384 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
385
386 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
387
388 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
389
390 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
391
392 Agents map[string]Agent `json:"-"`
393
394 // Internal
395 workingDir string `json:"-"`
396 // TODO: find a better way to do this this should probably not be part of the config
397 resolver VariableResolver
398 dataConfigDir string `json:"-"`
399 knownProviders []catwalk.Provider `json:"-"`
400}
401
402func (c *Config) WorkingDir() string {
403 return c.workingDir
404}
405
406func (c *Config) EnabledProviders() []ProviderConfig {
407 var enabled []ProviderConfig
408 for p := range c.Providers.Seq() {
409 if !p.Disable {
410 enabled = append(enabled, p)
411 }
412 }
413 return enabled
414}
415
416// IsConfigured return true if at least one provider is configured
417func (c *Config) IsConfigured() bool {
418 return len(c.EnabledProviders()) > 0
419}
420
421func (c *Config) GetModel(provider, model string) *catwalk.Model {
422 if providerConfig, ok := c.Providers.Get(provider); ok {
423 for _, m := range providerConfig.Models {
424 if m.ID == model {
425 return &m
426 }
427 }
428 }
429 return nil
430}
431
432func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
433 model, ok := c.Models[modelType]
434 if !ok {
435 return nil
436 }
437 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
438 return &providerConfig
439 }
440 return nil
441}
442
443func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
444 model, ok := c.Models[modelType]
445 if !ok {
446 return nil
447 }
448 return c.GetModel(model.Provider, model.Model)
449}
450
451func (c *Config) LargeModel() *catwalk.Model {
452 model, ok := c.Models[SelectedModelTypeLarge]
453 if !ok {
454 return nil
455 }
456 return c.GetModel(model.Provider, model.Model)
457}
458
459func (c *Config) SmallModel() *catwalk.Model {
460 model, ok := c.Models[SelectedModelTypeSmall]
461 if !ok {
462 return nil
463 }
464 return c.GetModel(model.Provider, model.Model)
465}
466
467func (c *Config) SetCompactMode(enabled bool) error {
468 if c.Options == nil {
469 c.Options = &Options{}
470 }
471 c.Options.TUI.CompactMode = enabled
472 return c.SetConfigField("options.tui.compact_mode", enabled)
473}
474
475func (c *Config) Resolve(key string) (string, error) {
476 if c.resolver == nil {
477 return "", fmt.Errorf("no variable resolver configured")
478 }
479 return c.resolver.ResolveValue(key)
480}
481
482func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
483 c.Models[modelType] = model
484 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
485 return fmt.Errorf("failed to update preferred model: %w", err)
486 }
487 if err := c.recordRecentModel(modelType, model); err != nil {
488 return err
489 }
490 return nil
491}
492
493func (c *Config) HasConfigField(key string) bool {
494 data, err := os.ReadFile(c.dataConfigDir)
495 if err != nil {
496 return false
497 }
498 return gjson.Get(string(data), key).Exists()
499}
500
501func (c *Config) SetConfigField(key string, value any) error {
502 data, err := os.ReadFile(c.dataConfigDir)
503 if err != nil {
504 if os.IsNotExist(err) {
505 data = []byte("{}")
506 } else {
507 return fmt.Errorf("failed to read config file: %w", err)
508 }
509 }
510
511 newValue, err := sjson.Set(string(data), key, value)
512 if err != nil {
513 return fmt.Errorf("failed to set config field %s: %w", key, err)
514 }
515 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
516 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
517 }
518 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
519 return fmt.Errorf("failed to write config file: %w", err)
520 }
521 return nil
522}
523
524// RefreshOAuthToken refreshes the OAuth token for the given provider.
525func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
526 providerConfig, exists := c.Providers.Get(providerID)
527 if !exists {
528 return fmt.Errorf("provider %s not found", providerID)
529 }
530
531 if providerConfig.OAuthToken == nil {
532 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
533 }
534
535 var newToken *oauth.Token
536 var refreshErr error
537 switch providerID {
538 case string(catwalk.InferenceProviderAnthropic):
539 newToken, refreshErr = claude.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
540 case string(catwalk.InferenceProviderCopilot):
541 newToken, refreshErr = copilot.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
542 case hyperp.Name:
543 newToken, refreshErr = hyper.ExchangeToken(ctx, providerConfig.OAuthToken.RefreshToken)
544 default:
545 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
546 }
547 if refreshErr != nil {
548 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, refreshErr)
549 }
550
551 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
552 providerConfig.OAuthToken = newToken
553
554 switch providerID {
555 case string(catwalk.InferenceProviderAnthropic):
556 providerConfig.APIKey = fmt.Sprintf("Bearer %s", newToken.AccessToken)
557 providerConfig.SetupClaudeCode()
558 case string(catwalk.InferenceProviderCopilot):
559 providerConfig.APIKey = newToken.AccessToken
560 providerConfig.SetupGitHubCopilot()
561 }
562
563 c.Providers.Set(providerID, providerConfig)
564
565 if err := cmp.Or(
566 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), newToken.AccessToken),
567 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), newToken),
568 ); err != nil {
569 return fmt.Errorf("failed to persist refreshed token: %w", err)
570 }
571
572 return nil
573}
574
575func (c *Config) SetProviderAPIKey(providerID string, apiKey any) error {
576 var providerConfig ProviderConfig
577 var exists bool
578 var setKeyOrToken func()
579
580 switch v := apiKey.(type) {
581 case string:
582 if err := c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v); err != nil {
583 return fmt.Errorf("failed to save api key to config file: %w", err)
584 }
585 setKeyOrToken = func() { providerConfig.APIKey = v }
586 case *oauth.Token:
587 if err := cmp.Or(
588 c.SetConfigField(fmt.Sprintf("providers.%s.api_key", providerID), v.AccessToken),
589 c.SetConfigField(fmt.Sprintf("providers.%s.oauth", providerID), v),
590 ); err != nil {
591 return err
592 }
593 setKeyOrToken = func() {
594 providerConfig.APIKey = v.AccessToken
595 providerConfig.OAuthToken = v
596 switch providerID {
597 case string(catwalk.InferenceProviderAnthropic):
598 providerConfig.APIKey = fmt.Sprintf("Bearer %s", v.AccessToken)
599 providerConfig.SetupClaudeCode()
600 case string(catwalk.InferenceProviderCopilot):
601 providerConfig.SetupGitHubCopilot()
602 }
603 }
604 }
605
606 providerConfig, exists = c.Providers.Get(providerID)
607 if exists {
608 setKeyOrToken()
609 c.Providers.Set(providerID, providerConfig)
610 return nil
611 }
612
613 var foundProvider *catwalk.Provider
614 for _, p := range c.knownProviders {
615 if string(p.ID) == providerID {
616 foundProvider = &p
617 break
618 }
619 }
620
621 if foundProvider != nil {
622 // Create new provider config based on known provider
623 providerConfig = ProviderConfig{
624 ID: providerID,
625 Name: foundProvider.Name,
626 BaseURL: foundProvider.APIEndpoint,
627 Type: foundProvider.Type,
628 Disable: false,
629 ExtraHeaders: make(map[string]string),
630 ExtraParams: make(map[string]string),
631 Models: foundProvider.Models,
632 }
633 setKeyOrToken()
634 } else {
635 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
636 }
637 // Store the updated provider config
638 c.Providers.Set(providerID, providerConfig)
639 return nil
640}
641
642const maxRecentModelsPerType = 5
643
644func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
645 if model.Provider == "" || model.Model == "" {
646 return nil
647 }
648
649 if c.RecentModels == nil {
650 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
651 }
652
653 eq := func(a, b SelectedModel) bool {
654 return a.Provider == b.Provider && a.Model == b.Model
655 }
656
657 entry := SelectedModel{
658 Provider: model.Provider,
659 Model: model.Model,
660 }
661
662 current := c.RecentModels[modelType]
663 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
664 return eq(existing, entry)
665 })
666
667 updated := append([]SelectedModel{entry}, withoutCurrent...)
668 if len(updated) > maxRecentModelsPerType {
669 updated = updated[:maxRecentModelsPerType]
670 }
671
672 if slices.EqualFunc(current, updated, eq) {
673 return nil
674 }
675
676 c.RecentModels[modelType] = updated
677
678 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
679 return fmt.Errorf("failed to persist recent models: %w", err)
680 }
681
682 return nil
683}
684
685func allToolNames() []string {
686 return []string{
687 "agent",
688 "bash",
689 "job_output",
690 "job_kill",
691 "download",
692 "edit",
693 "multiedit",
694 "lsp_diagnostics",
695 "lsp_references",
696 "fetch",
697 "agentic_fetch",
698 "glob",
699 "grep",
700 "ls",
701 "sourcegraph",
702 "todos",
703 "view",
704 "write",
705 }
706}
707
708func resolveAllowedTools(allTools []string, disabledTools []string) []string {
709 if disabledTools == nil {
710 return allTools
711 }
712 // filter out disabled tools (exclude mode)
713 return filterSlice(allTools, disabledTools, false)
714}
715
716func resolveReadOnlyTools(tools []string) []string {
717 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
718 // filter to only include tools that are in allowedtools (include mode)
719 return filterSlice(tools, readOnlyTools, true)
720}
721
722func filterSlice(data []string, mask []string, include bool) []string {
723 filtered := []string{}
724 for _, s := range data {
725 // if include is true, we include items that ARE in the mask
726 // if include is false, we include items that are NOT in the mask
727 if include == slices.Contains(mask, s) {
728 filtered = append(filtered, s)
729 }
730 }
731 return filtered
732}
733
734func (c *Config) SetupAgents() {
735 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
736
737 agents := map[string]Agent{
738 AgentCoder: {
739 ID: AgentCoder,
740 Name: "Coder",
741 Description: "An agent that helps with executing coding tasks.",
742 Model: SelectedModelTypeLarge,
743 ContextPaths: c.Options.ContextPaths,
744 AllowedTools: allowedTools,
745 },
746
747 AgentTask: {
748 ID: AgentCoder,
749 Name: "Task",
750 Description: "An agent that helps with searching for context and finding implementation details.",
751 Model: SelectedModelTypeLarge,
752 ContextPaths: c.Options.ContextPaths,
753 AllowedTools: resolveReadOnlyTools(allowedTools),
754 // NO MCPs or LSPs by default
755 AllowedMCP: map[string][]string{},
756 },
757 }
758 c.Agents = agents
759}
760
761func (c *Config) Resolver() VariableResolver {
762 return c.resolver
763}
764
765func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
766 testURL := ""
767 headers := make(map[string]string)
768 apiKey, _ := resolver.ResolveValue(c.APIKey)
769 switch c.Type {
770 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
771 baseURL, _ := resolver.ResolveValue(c.BaseURL)
772 if baseURL == "" {
773 baseURL = "https://api.openai.com/v1"
774 }
775 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
776 testURL = baseURL + "/credits"
777 } else {
778 testURL = baseURL + "/models"
779 }
780 headers["Authorization"] = "Bearer " + apiKey
781 case catwalk.TypeAnthropic:
782 baseURL, _ := resolver.ResolveValue(c.BaseURL)
783 if baseURL == "" {
784 baseURL = "https://api.anthropic.com/v1"
785 }
786 testURL = baseURL + "/models"
787 // TODO: replace with const when catwalk is released
788 if c.ID == "kimi-coding" {
789 testURL = baseURL + "/v1/models"
790 }
791 headers["x-api-key"] = apiKey
792 headers["anthropic-version"] = "2023-06-01"
793 case catwalk.TypeGoogle:
794 baseURL, _ := resolver.ResolveValue(c.BaseURL)
795 if baseURL == "" {
796 baseURL = "https://generativelanguage.googleapis.com"
797 }
798 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
799 }
800 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
801 defer cancel()
802 client := &http.Client{}
803 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
804 if err != nil {
805 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
806 }
807 for k, v := range headers {
808 req.Header.Set(k, v)
809 }
810 for k, v := range c.ExtraHeaders {
811 req.Header.Set(k, v)
812 }
813 b, err := client.Do(req)
814 if err != nil {
815 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
816 }
817 if c.ID == string(catwalk.InferenceProviderZAI) {
818 if b.StatusCode == http.StatusUnauthorized {
819 // for z.ai just check if the http response is not 401
820 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
821 }
822 } else {
823 if b.StatusCode != http.StatusOK {
824 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
825 }
826 }
827 _ = b.Body.Close()
828 return nil
829}
830
831func resolveEnvs(envs map[string]string) []string {
832 resolver := NewShellVariableResolver(env.New())
833 for e, v := range envs {
834 var err error
835 envs[e], err = resolver.ResolveValue(v)
836 if err != nil {
837 slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
838 continue
839 }
840 }
841
842 res := make([]string, 0, len(envs))
843 for k, v := range envs {
844 res = append(res, fmt.Sprintf("%s=%s", k, v))
845 }
846 return res
847}
848
849func ptrValOr[T any](t *T, el T) T {
850 if t == nil {
851 return el
852 }
853 return *t
854}