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 SkillsPaths []string `json:"skills_paths,omitempty" jsonschema:"description=Paths to directories containing Agent Skills (folders with SKILL.md files),example=~/.config/crush/skills,example=./skills"`
260 TUI *TUIOptions `json:"tui,omitempty" jsonschema:"description=Terminal user interface options"`
261 Debug bool `json:"debug,omitempty" jsonschema:"description=Enable debug logging,default=false"`
262 DebugLSP bool `json:"debug_lsp,omitempty" jsonschema:"description=Enable debug logging for LSP servers,default=false"`
263 DisableAutoSummarize bool `json:"disable_auto_summarize,omitempty" jsonschema:"description=Disable automatic conversation summarization,default=false"`
264 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
265 DisabledTools []string `json:"disabled_tools,omitempty" jsonschema:"description=List of built-in tools to disable and hide from the agent,example=bash,example=sourcegraph"`
266 DisableProviderAutoUpdate bool `json:"disable_provider_auto_update,omitempty" jsonschema:"description=Disable providers auto-update,default=false"`
267 Attribution *Attribution `json:"attribution,omitempty" jsonschema:"description=Attribution settings for generated content"`
268 DisableMetrics bool `json:"disable_metrics,omitempty" jsonschema:"description=Disable sending metrics,default=false"`
269 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"`
270}
271
272type MCPs map[string]MCPConfig
273
274type MCP struct {
275 Name string `json:"name"`
276 MCP MCPConfig `json:"mcp"`
277}
278
279func (m MCPs) Sorted() []MCP {
280 sorted := make([]MCP, 0, len(m))
281 for k, v := range m {
282 sorted = append(sorted, MCP{
283 Name: k,
284 MCP: v,
285 })
286 }
287 slices.SortFunc(sorted, func(a, b MCP) int {
288 return strings.Compare(a.Name, b.Name)
289 })
290 return sorted
291}
292
293type LSPs map[string]LSPConfig
294
295type LSP struct {
296 Name string `json:"name"`
297 LSP LSPConfig `json:"lsp"`
298}
299
300func (l LSPs) Sorted() []LSP {
301 sorted := make([]LSP, 0, len(l))
302 for k, v := range l {
303 sorted = append(sorted, LSP{
304 Name: k,
305 LSP: v,
306 })
307 }
308 slices.SortFunc(sorted, func(a, b LSP) int {
309 return strings.Compare(a.Name, b.Name)
310 })
311 return sorted
312}
313
314func (l LSPConfig) ResolvedEnv() []string {
315 return resolveEnvs(l.Env)
316}
317
318func (m MCPConfig) ResolvedEnv() []string {
319 return resolveEnvs(m.Env)
320}
321
322func (m MCPConfig) ResolvedHeaders() map[string]string {
323 resolver := NewShellVariableResolver(env.New())
324 for e, v := range m.Headers {
325 var err error
326 m.Headers[e], err = resolver.ResolveValue(v)
327 if err != nil {
328 slog.Error("error resolving header variable", "error", err, "variable", e, "value", v)
329 continue
330 }
331 }
332 return m.Headers
333}
334
335type Agent struct {
336 ID string `json:"id,omitempty"`
337 Name string `json:"name,omitempty"`
338 Description string `json:"description,omitempty"`
339 // This is the id of the system prompt used by the agent
340 Disabled bool `json:"disabled,omitempty"`
341
342 Model SelectedModelType `json:"model" jsonschema:"required,description=The model type to use for this agent,enum=large,enum=small,default=large"`
343
344 // The available tools for the agent
345 // if this is nil, all tools are available
346 AllowedTools []string `json:"allowed_tools,omitempty"`
347
348 // this tells us which MCPs are available for this agent
349 // if this is empty all mcps are available
350 // the string array is the list of tools from the AllowedMCP the agent has available
351 // if the string array is nil, all tools from the AllowedMCP are available
352 AllowedMCP map[string][]string `json:"allowed_mcp,omitempty"`
353
354 // Overrides the context paths for this agent
355 ContextPaths []string `json:"context_paths,omitempty"`
356}
357
358type Tools struct {
359 Ls ToolLs `json:"ls,omitzero"`
360}
361
362type ToolLs struct {
363 MaxDepth *int `json:"max_depth,omitempty" jsonschema:"description=Maximum depth for the ls tool,default=0,example=10"`
364 MaxItems *int `json:"max_items,omitempty" jsonschema:"description=Maximum number of items to return for the ls tool,default=1000,example=100"`
365}
366
367func (t ToolLs) Limits() (depth, items int) {
368 return ptrValOr(t.MaxDepth, 0), ptrValOr(t.MaxItems, 0)
369}
370
371// Config holds the configuration for crush.
372type Config struct {
373 Schema string `json:"$schema,omitempty"`
374
375 // We currently only support large/small as values here.
376 Models map[SelectedModelType]SelectedModel `json:"models,omitempty" jsonschema:"description=Model configurations for different model types,example={\"large\":{\"model\":\"gpt-4o\",\"provider\":\"openai\"}}"`
377 // Recently used models stored in the data directory config.
378 RecentModels map[SelectedModelType][]SelectedModel `json:"recent_models,omitempty" jsonschema:"description=Recently used models sorted by most recent first"`
379
380 // The providers that are configured
381 Providers *csync.Map[string, ProviderConfig] `json:"providers,omitempty" jsonschema:"description=AI provider configurations"`
382
383 MCP MCPs `json:"mcp,omitempty" jsonschema:"description=Model Context Protocol server configurations"`
384
385 LSP LSPs `json:"lsp,omitempty" jsonschema:"description=Language Server Protocol configurations"`
386
387 Options *Options `json:"options,omitempty" jsonschema:"description=General application options"`
388
389 Permissions *Permissions `json:"permissions,omitempty" jsonschema:"description=Permission settings for tool usage"`
390
391 Tools Tools `json:"tools,omitzero" jsonschema:"description=Tool configurations"`
392
393 Agents map[string]Agent `json:"-"`
394
395 // Internal
396 workingDir string `json:"-"`
397 // TODO: find a better way to do this this should probably not be part of the config
398 resolver VariableResolver
399 dataConfigDir string `json:"-"`
400 knownProviders []catwalk.Provider `json:"-"`
401}
402
403func (c *Config) WorkingDir() string {
404 return c.workingDir
405}
406
407func (c *Config) EnabledProviders() []ProviderConfig {
408 var enabled []ProviderConfig
409 for p := range c.Providers.Seq() {
410 if !p.Disable {
411 enabled = append(enabled, p)
412 }
413 }
414 return enabled
415}
416
417// IsConfigured return true if at least one provider is configured
418func (c *Config) IsConfigured() bool {
419 return len(c.EnabledProviders()) > 0
420}
421
422func (c *Config) GetModel(provider, model string) *catwalk.Model {
423 if providerConfig, ok := c.Providers.Get(provider); ok {
424 for _, m := range providerConfig.Models {
425 if m.ID == model {
426 return &m
427 }
428 }
429 }
430 return nil
431}
432
433func (c *Config) GetProviderForModel(modelType SelectedModelType) *ProviderConfig {
434 model, ok := c.Models[modelType]
435 if !ok {
436 return nil
437 }
438 if providerConfig, ok := c.Providers.Get(model.Provider); ok {
439 return &providerConfig
440 }
441 return nil
442}
443
444func (c *Config) GetModelByType(modelType SelectedModelType) *catwalk.Model {
445 model, ok := c.Models[modelType]
446 if !ok {
447 return nil
448 }
449 return c.GetModel(model.Provider, model.Model)
450}
451
452func (c *Config) LargeModel() *catwalk.Model {
453 model, ok := c.Models[SelectedModelTypeLarge]
454 if !ok {
455 return nil
456 }
457 return c.GetModel(model.Provider, model.Model)
458}
459
460func (c *Config) SmallModel() *catwalk.Model {
461 model, ok := c.Models[SelectedModelTypeSmall]
462 if !ok {
463 return nil
464 }
465 return c.GetModel(model.Provider, model.Model)
466}
467
468func (c *Config) SetCompactMode(enabled bool) error {
469 if c.Options == nil {
470 c.Options = &Options{}
471 }
472 c.Options.TUI.CompactMode = enabled
473 return c.SetConfigField("options.tui.compact_mode", enabled)
474}
475
476func (c *Config) Resolve(key string) (string, error) {
477 if c.resolver == nil {
478 return "", fmt.Errorf("no variable resolver configured")
479 }
480 return c.resolver.ResolveValue(key)
481}
482
483func (c *Config) UpdatePreferredModel(modelType SelectedModelType, model SelectedModel) error {
484 c.Models[modelType] = model
485 if err := c.SetConfigField(fmt.Sprintf("models.%s", modelType), model); err != nil {
486 return fmt.Errorf("failed to update preferred model: %w", err)
487 }
488 if err := c.recordRecentModel(modelType, model); err != nil {
489 return err
490 }
491 return nil
492}
493
494func (c *Config) HasConfigField(key string) bool {
495 data, err := os.ReadFile(c.dataConfigDir)
496 if err != nil {
497 return false
498 }
499 return gjson.Get(string(data), key).Exists()
500}
501
502func (c *Config) SetConfigField(key string, value any) error {
503 data, err := os.ReadFile(c.dataConfigDir)
504 if err != nil {
505 if os.IsNotExist(err) {
506 data = []byte("{}")
507 } else {
508 return fmt.Errorf("failed to read config file: %w", err)
509 }
510 }
511
512 newValue, err := sjson.Set(string(data), key, value)
513 if err != nil {
514 return fmt.Errorf("failed to set config field %s: %w", key, err)
515 }
516 if err := os.MkdirAll(filepath.Dir(c.dataConfigDir), 0o755); err != nil {
517 return fmt.Errorf("failed to create config directory %q: %w", c.dataConfigDir, err)
518 }
519 if err := os.WriteFile(c.dataConfigDir, []byte(newValue), 0o600); err != nil {
520 return fmt.Errorf("failed to write config file: %w", err)
521 }
522 return nil
523}
524
525// RefreshOAuthToken refreshes the OAuth token for the given provider.
526func (c *Config) RefreshOAuthToken(ctx context.Context, providerID string) error {
527 providerConfig, exists := c.Providers.Get(providerID)
528 if !exists {
529 return fmt.Errorf("provider %s not found", providerID)
530 }
531
532 if providerConfig.OAuthToken == nil {
533 return fmt.Errorf("provider %s does not have an OAuth token", providerID)
534 }
535
536 var newToken *oauth.Token
537 var refreshErr error
538 switch providerID {
539 case string(catwalk.InferenceProviderAnthropic):
540 newToken, refreshErr = claude.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
541 case string(catwalk.InferenceProviderCopilot):
542 newToken, refreshErr = copilot.RefreshToken(ctx, providerConfig.OAuthToken.RefreshToken)
543 case hyperp.Name:
544 newToken, refreshErr = hyper.ExchangeToken(ctx, providerConfig.OAuthToken.RefreshToken)
545 default:
546 return fmt.Errorf("OAuth refresh not supported for provider %s", providerID)
547 }
548 if refreshErr != nil {
549 return fmt.Errorf("failed to refresh OAuth token for provider %s: %w", providerID, refreshErr)
550 }
551
552 slog.Info("Successfully refreshed OAuth token", "provider", providerID)
553 providerConfig.OAuthToken = newToken
554 providerConfig.APIKey = newToken.AccessToken
555
556 switch providerID {
557 case string(catwalk.InferenceProviderAnthropic):
558 providerConfig.SetupClaudeCode()
559 case string(catwalk.InferenceProviderCopilot):
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.SetupClaudeCode()
599 case string(catwalk.InferenceProviderCopilot):
600 providerConfig.SetupGitHubCopilot()
601 }
602 }
603 }
604
605 providerConfig, exists = c.Providers.Get(providerID)
606 if exists {
607 setKeyOrToken()
608 c.Providers.Set(providerID, providerConfig)
609 return nil
610 }
611
612 var foundProvider *catwalk.Provider
613 for _, p := range c.knownProviders {
614 if string(p.ID) == providerID {
615 foundProvider = &p
616 break
617 }
618 }
619
620 if foundProvider != nil {
621 // Create new provider config based on known provider
622 providerConfig = ProviderConfig{
623 ID: providerID,
624 Name: foundProvider.Name,
625 BaseURL: foundProvider.APIEndpoint,
626 Type: foundProvider.Type,
627 Disable: false,
628 ExtraHeaders: make(map[string]string),
629 ExtraParams: make(map[string]string),
630 Models: foundProvider.Models,
631 }
632 setKeyOrToken()
633 } else {
634 return fmt.Errorf("provider with ID %s not found in known providers", providerID)
635 }
636 // Store the updated provider config
637 c.Providers.Set(providerID, providerConfig)
638 return nil
639}
640
641const maxRecentModelsPerType = 5
642
643func (c *Config) recordRecentModel(modelType SelectedModelType, model SelectedModel) error {
644 if model.Provider == "" || model.Model == "" {
645 return nil
646 }
647
648 if c.RecentModels == nil {
649 c.RecentModels = make(map[SelectedModelType][]SelectedModel)
650 }
651
652 eq := func(a, b SelectedModel) bool {
653 return a.Provider == b.Provider && a.Model == b.Model
654 }
655
656 entry := SelectedModel{
657 Provider: model.Provider,
658 Model: model.Model,
659 }
660
661 current := c.RecentModels[modelType]
662 withoutCurrent := slices.DeleteFunc(slices.Clone(current), func(existing SelectedModel) bool {
663 return eq(existing, entry)
664 })
665
666 updated := append([]SelectedModel{entry}, withoutCurrent...)
667 if len(updated) > maxRecentModelsPerType {
668 updated = updated[:maxRecentModelsPerType]
669 }
670
671 if slices.EqualFunc(current, updated, eq) {
672 return nil
673 }
674
675 c.RecentModels[modelType] = updated
676
677 if err := c.SetConfigField(fmt.Sprintf("recent_models.%s", modelType), updated); err != nil {
678 return fmt.Errorf("failed to persist recent models: %w", err)
679 }
680
681 return nil
682}
683
684func allToolNames() []string {
685 return []string{
686 "agent",
687 "bash",
688 "job_output",
689 "job_kill",
690 "download",
691 "edit",
692 "multiedit",
693 "lsp_diagnostics",
694 "lsp_references",
695 "fetch",
696 "agentic_fetch",
697 "glob",
698 "grep",
699 "ls",
700 "sourcegraph",
701 "todos",
702 "view",
703 "write",
704 }
705}
706
707func resolveAllowedTools(allTools []string, disabledTools []string) []string {
708 if disabledTools == nil {
709 return allTools
710 }
711 // filter out disabled tools (exclude mode)
712 return filterSlice(allTools, disabledTools, false)
713}
714
715func resolveReadOnlyTools(tools []string) []string {
716 readOnlyTools := []string{"glob", "grep", "ls", "sourcegraph", "view"}
717 // filter to only include tools that are in allowedtools (include mode)
718 return filterSlice(tools, readOnlyTools, true)
719}
720
721func filterSlice(data []string, mask []string, include bool) []string {
722 filtered := []string{}
723 for _, s := range data {
724 // if include is true, we include items that ARE in the mask
725 // if include is false, we include items that are NOT in the mask
726 if include == slices.Contains(mask, s) {
727 filtered = append(filtered, s)
728 }
729 }
730 return filtered
731}
732
733func (c *Config) SetupAgents() {
734 allowedTools := resolveAllowedTools(allToolNames(), c.Options.DisabledTools)
735
736 agents := map[string]Agent{
737 AgentCoder: {
738 ID: AgentCoder,
739 Name: "Coder",
740 Description: "An agent that helps with executing coding tasks.",
741 Model: SelectedModelTypeLarge,
742 ContextPaths: c.Options.ContextPaths,
743 AllowedTools: allowedTools,
744 },
745
746 AgentTask: {
747 ID: AgentCoder,
748 Name: "Task",
749 Description: "An agent that helps with searching for context and finding implementation details.",
750 Model: SelectedModelTypeLarge,
751 ContextPaths: c.Options.ContextPaths,
752 AllowedTools: resolveReadOnlyTools(allowedTools),
753 // NO MCPs or LSPs by default
754 AllowedMCP: map[string][]string{},
755 },
756 }
757 c.Agents = agents
758}
759
760func (c *Config) Resolver() VariableResolver {
761 return c.resolver
762}
763
764func (c *ProviderConfig) TestConnection(resolver VariableResolver) error {
765 testURL := ""
766 headers := make(map[string]string)
767 apiKey, _ := resolver.ResolveValue(c.APIKey)
768 switch c.Type {
769 case catwalk.TypeOpenAI, catwalk.TypeOpenAICompat, catwalk.TypeOpenRouter:
770 baseURL, _ := resolver.ResolveValue(c.BaseURL)
771 if baseURL == "" {
772 baseURL = "https://api.openai.com/v1"
773 }
774 if c.ID == string(catwalk.InferenceProviderOpenRouter) {
775 testURL = baseURL + "/credits"
776 } else {
777 testURL = baseURL + "/models"
778 }
779 headers["Authorization"] = "Bearer " + apiKey
780 case catwalk.TypeAnthropic:
781 baseURL, _ := resolver.ResolveValue(c.BaseURL)
782 if baseURL == "" {
783 baseURL = "https://api.anthropic.com/v1"
784 }
785 testURL = baseURL + "/models"
786 // TODO: replace with const when catwalk is released
787 if c.ID == "kimi-coding" {
788 testURL = baseURL + "/v1/models"
789 }
790 headers["x-api-key"] = apiKey
791 headers["anthropic-version"] = "2023-06-01"
792 case catwalk.TypeGoogle:
793 baseURL, _ := resolver.ResolveValue(c.BaseURL)
794 if baseURL == "" {
795 baseURL = "https://generativelanguage.googleapis.com"
796 }
797 testURL = baseURL + "/v1beta/models?key=" + url.QueryEscape(apiKey)
798 }
799 ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
800 defer cancel()
801 client := &http.Client{}
802 req, err := http.NewRequestWithContext(ctx, "GET", testURL, nil)
803 if err != nil {
804 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
805 }
806 for k, v := range headers {
807 req.Header.Set(k, v)
808 }
809 for k, v := range c.ExtraHeaders {
810 req.Header.Set(k, v)
811 }
812 b, err := client.Do(req)
813 if err != nil {
814 return fmt.Errorf("failed to create request for provider %s: %w", c.ID, err)
815 }
816 if c.ID == string(catwalk.InferenceProviderZAI) {
817 if b.StatusCode == http.StatusUnauthorized {
818 // for z.ai just check if the http response is not 401
819 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
820 }
821 } else {
822 if b.StatusCode != http.StatusOK {
823 return fmt.Errorf("failed to connect to provider %s: %s", c.ID, b.Status)
824 }
825 }
826 _ = b.Body.Close()
827 return nil
828}
829
830func resolveEnvs(envs map[string]string) []string {
831 resolver := NewShellVariableResolver(env.New())
832 for e, v := range envs {
833 var err error
834 envs[e], err = resolver.ResolveValue(v)
835 if err != nil {
836 slog.Error("error resolving environment variable", "error", err, "variable", e, "value", v)
837 continue
838 }
839 }
840
841 res := make([]string, 0, len(envs))
842 for k, v := range envs {
843 res = append(res, fmt.Sprintf("%s=%s", k, v))
844 }
845 return res
846}
847
848func ptrValOr[T any](t *T, el T) T {
849 if t == nil {
850 return el
851 }
852 return *t
853}