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//! Provider catalog — static metadata for every supported LLM provider.
//!
//! Spun out of `config.rs` in #1082 to separate two unrelated concerns:
//!
//! - **This file (`provider_catalog.rs`)** — static, compile-time data.
//! `ProviderMeta` struct + `ProviderType` enum + the `meta()` lookup
//! table + URL/name auto-detection. No I/O, no env-var reads, no
//! file-system access. Pure data.
//!
//! - **`config.rs`** — runtime concerns. `ModelSettings`, `AgentConfig`,
//! `KodaConfig`, file loading, env merging, validation. Reads
//! `ProviderMeta` from here but owns nothing about it.
//!
//! ## Adding a new provider
//!
//! 1. Add a variant to `ProviderType`.
//! 2. Add the corresponding arm in `ProviderType::meta()`.
//! 3. (Optional) Add a name alias in `from_url_or_name()` if the
//! provider has common alternate spellings (e.g. `claude` →
//! `Anthropic`).
//! 4. (Optional) Add a URL fingerprint in `from_url_or_name()` if
//! the provider's base URL is auto-detectable.
//! 5. Add a row to `koda-core/tests/snapshot_test.rs` so the
//! metadata gets pinned by regression test.
//!
//! That's the entire surface — no separate registration, no
//! plugin system, no factory. Per `DESIGN.md § P1: Personal`,
//! a `match` arm is the canonical extension point.
use serde::Deserialize;
/// Metadata for a provider — single source of truth.
pub struct ProviderMeta {
/// Display name.
pub name: &'static str,
/// Default API base URL.
pub url: &'static str,
/// Default model identifier.
pub model: &'static str,
/// Environment variable for the API key.
pub env_key: &'static str,
/// Whether this provider requires an API key.
pub api_key: bool,
}
/// Supported LLM provider types.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Deserialize)]
#[serde(rename_all = "lowercase")]
pub enum ProviderType {
/// OpenAI API.
OpenAI,
/// Anthropic Claude API.
Anthropic,
/// LM Studio (local, OpenAI-compatible).
LMStudio,
/// Google Gemini API.
Gemini,
/// Groq (OpenAI-compatible).
Groq,
/// Grok / xAI API.
Grok,
/// Ollama (local, OpenAI-compatible).
Ollama,
/// DeepSeek API.
DeepSeek,
/// Mistral AI API.
Mistral,
/// MiniMax API.
MiniMax,
/// OpenRouter (multi-provider gateway).
OpenRouter,
/// Together AI API.
Together,
/// Fireworks AI API.
Fireworks,
/// vLLM (local, OpenAI-compatible).
Vllm,
/// Mock provider for testing (reads KODA_MOCK_RESPONSES env var).
#[cfg(any(test, feature = "test-support"))]
Mock,
}
impl ProviderType {
/// Consolidated provider metadata.
pub fn meta(&self) -> ProviderMeta {
match self {
Self::OpenAI => ProviderMeta {
name: "openai",
url: "https://api.openai.com/v1",
model: "gpt-4o",
env_key: "OPENAI_API_KEY",
api_key: true,
},
Self::Anthropic => ProviderMeta {
name: "anthropic",
url: "https://api.anthropic.com",
model: "claude-sonnet-4-6",
env_key: "ANTHROPIC_API_KEY",
api_key: true,
},
Self::LMStudio => ProviderMeta {
name: "lm-studio",
url: "http://localhost:1234/v1",
model: "auto-detect",
env_key: "KODA_API_KEY",
api_key: false,
},
Self::Gemini => ProviderMeta {
name: "gemini",
url: "https://generativelanguage.googleapis.com",
model: "gemini-flash-latest",
env_key: "GEMINI_API_KEY",
api_key: true,
},
Self::Groq => ProviderMeta {
name: "groq",
url: "https://api.groq.com/openai/v1",
model: "llama-3.3-70b-versatile",
env_key: "GROQ_API_KEY",
api_key: true,
},
Self::Grok => ProviderMeta {
name: "grok",
url: "https://api.x.ai/v1",
model: "grok-3",
env_key: "XAI_API_KEY",
api_key: true,
},
Self::Ollama => ProviderMeta {
name: "ollama",
url: "http://localhost:11434/v1",
model: "auto-detect",
env_key: "KODA_API_KEY",
api_key: false,
},
Self::DeepSeek => ProviderMeta {
name: "deepseek",
url: "https://api.deepseek.com/v1",
model: "deepseek-chat",
env_key: "DEEPSEEK_API_KEY",
api_key: true,
},
Self::Mistral => ProviderMeta {
name: "mistral",
url: "https://api.mistral.ai/v1",
model: "mistral-large-latest",
env_key: "MISTRAL_API_KEY",
api_key: true,
},
Self::MiniMax => ProviderMeta {
name: "minimax",
url: "https://api.minimax.io/v1",
model: "minimax-text-01",
env_key: "MINIMAX_API_KEY",
api_key: true,
},
Self::OpenRouter => ProviderMeta {
name: "openrouter",
url: "https://openrouter.ai/api/v1",
model: "anthropic/claude-3.5-sonnet",
env_key: "OPENROUTER_API_KEY",
api_key: true,
},
Self::Together => ProviderMeta {
name: "together",
url: "https://api.together.xyz/v1",
model: "meta-llama/Llama-3.3-70B-Instruct-Turbo",
env_key: "TOGETHER_API_KEY",
api_key: true,
},
Self::Fireworks => ProviderMeta {
name: "fireworks",
url: "https://api.fireworks.ai/inference/v1",
model: "accounts/fireworks/models/llama-v3p3-70b-instruct",
env_key: "FIREWORKS_API_KEY",
api_key: true,
},
Self::Vllm => ProviderMeta {
name: "vllm",
url: "http://localhost:8000/v1",
model: "auto-detect",
env_key: "KODA_API_KEY",
api_key: false,
},
#[cfg(any(test, feature = "test-support"))]
Self::Mock => ProviderMeta {
name: "mock",
url: "http://localhost:0",
model: "mock-model",
env_key: "KODA_API_KEY",
api_key: false,
},
}
}
/// Whether this provider requires an API key.
pub fn requires_api_key(&self) -> bool {
self.meta().api_key
}
/// Default API base URL for this provider.
pub fn default_base_url(&self) -> &str {
self.meta().url
}
/// Default model identifier for this provider.
pub fn default_model(&self) -> &str {
self.meta().model
}
/// Environment variable name for this provider's API key.
pub fn env_key_name(&self) -> &str {
self.meta().env_key
}
/// Detect provider type from a base URL or explicit name.
pub fn from_url_or_name(url: &str, name: Option<&str>) -> Self {
if let Some(n) = name {
return match n.to_lowercase().as_str() {
"anthropic" | "claude" => Self::Anthropic,
"gemini" | "google" => Self::Gemini,
"groq" => Self::Groq,
"grok" | "xai" => Self::Grok,
"lmstudio" | "lm-studio" => Self::LMStudio,
"ollama" => Self::Ollama,
"deepseek" => Self::DeepSeek,
"mistral" => Self::Mistral,
"minimax" => Self::MiniMax,
"openrouter" => Self::OpenRouter,
"together" => Self::Together,
"fireworks" => Self::Fireworks,
"vllm" => Self::Vllm,
#[cfg(any(test, feature = "test-support"))]
"mock" => Self::Mock,
_ => Self::OpenAI,
};
}
// Auto-detect from URL
let url = url.to_lowercase();
if url.contains("anthropic.com") {
Self::Anthropic
} else if url.contains("localhost:11434") || url.contains("127.0.0.1:11434") {
Self::Ollama
} else if url.contains("localhost:8000") || url.contains("127.0.0.1:8000") {
Self::Vllm
} else if url.contains("localhost") || url.contains("127.0.0.1") {
Self::LMStudio
} else if url.contains("generativelanguage.googleapis.com") {
Self::Gemini
} else if url.contains("groq.com") {
Self::Groq
} else if url.contains("x.ai") {
Self::Grok
} else if url.contains("deepseek.com") {
Self::DeepSeek
} else if url.contains("mistral.ai") {
Self::Mistral
} else if url.contains("minimax.chat") || url.contains("minimaxi.com") {
Self::MiniMax
} else if url.contains("openrouter.ai") {
Self::OpenRouter
} else if url.contains("together.xyz") {
Self::Together
} else if url.contains("fireworks.ai") {
Self::Fireworks
} else {
Self::OpenAI
}
}
}
impl std::fmt::Display for ProviderType {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "{}", self.meta().name)
}
}