Swadhin Biswas feat: implement mervelas cli engine, built-in tools, and reactive UI · 4/3/2026
0358986
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export type OpenCodeTransport =
| 'responses'
| 'messages'
| 'chat-completions'
| 'google-models'
export type OpenCodeModelCatalogEntry = {
id: string
label: string
description: string
transport: OpenCodeTransport
free?: boolean
keyless?: boolean
supported?: boolean
}
const RESPONSES_DESCRIPTION = 'OpenCode Zen Responses endpoint'
const MESSAGES_DESCRIPTION = 'OpenCode Zen Messages endpoint'
const CHAT_COMPLETIONS_DESCRIPTION = 'OpenCode Zen Chat Completions endpoint'
const GOOGLE_MODELS_DESCRIPTION = 'OpenCode Zen Google models endpoint'
export const OPENCODE_MODEL_CATALOG: OpenCodeModelCatalogEntry[] = [
{
id: 'claude-opus-4-6',
label: 'Claude Opus 4.6',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-opus-4-5',
label: 'Claude Opus 4.5',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-opus-4-1',
label: 'Claude Opus 4.1',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-sonnet-4-6',
label: 'Claude Sonnet 4.6',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-sonnet-4-5',
label: 'Claude Sonnet 4.5',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-sonnet-4',
label: 'Claude Sonnet 4',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-3-5-haiku',
label: 'Claude 3.5 Haiku',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'claude-haiku-4-5',
label: 'Claude Haiku 4.5',
description: `OpenCode Zen Claude model via the ${MESSAGES_DESCRIPTION}`,
transport: 'messages',
supported: true,
},
{
id: 'gemini-3.1-pro',
label: 'Gemini 3.1 Pro',
description: `Available on OpenCode Zen via the ${GOOGLE_MODELS_DESCRIPTION} (not wired in Mervelas yet)`,
transport: 'google-models',
supported: false,
},
{
id: 'gemini-3-pro',
label: 'Gemini 3 Pro',
description: `Available on OpenCode Zen via the ${GOOGLE_MODELS_DESCRIPTION} (not wired in Mervelas yet)`,
transport: 'google-models',
supported: false,
},
{
id: 'gemini-3-flash',
label: 'Gemini 3 Flash',
description: `Available on OpenCode Zen via the ${GOOGLE_MODELS_DESCRIPTION} (not wired in Mervelas yet)`,
transport: 'google-models',
supported: false,
},
{
id: 'gpt-5.4',
label: 'GPT 5.4',
description: `OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.4-pro',
label: 'GPT 5.4 Pro',
description: `Premium OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.4-mini',
label: 'GPT 5.4 Mini',
description: `Smaller OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.4-nano',
label: 'GPT 5.4 Nano',
description: `Smallest OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.3-codex-spark',
label: 'GPT 5.3 Codex Spark',
description: `Coding-focused OpenCode Zen model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.3-codex',
label: 'GPT 5.3 Codex',
description: `Coding-focused OpenCode Zen model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.2',
label: 'GPT 5.2',
description: `OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.2-codex',
label: 'GPT 5.2 Codex',
description: `OpenCode Zen GPT coding model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.1',
label: 'GPT 5.1',
description: `OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.1-codex-max',
label: 'GPT 5.1 Codex Max',
description: `OpenCode Zen GPT coding model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.1-codex',
label: 'GPT 5.1 Codex',
description: `OpenCode Zen GPT coding model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5.1-codex-mini',
label: 'GPT 5.1 Codex Mini',
description: `OpenCode Zen GPT coding model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5',
label: 'GPT 5',
description: `OpenCode Zen GPT model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5-codex',
label: 'GPT 5 Codex',
description: `OpenCode Zen GPT coding model via the ${RESPONSES_DESCRIPTION}`,
transport: 'responses',
supported: true,
},
{
id: 'gpt-5-nano',
label: 'GPT 5 Nano',
description: `Free on OpenCode Zen and usable without a key via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'glm-5',
label: 'GLM 5',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'glm-4.7',
label: 'GLM 4.7',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'glm-4.6',
label: 'GLM 4.6',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'minimax-m2.5',
label: 'MiniMax M2.5',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'minimax-m2.5-free',
label: 'MiniMax M2.5 Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'minimax-m2.1',
label: 'MiniMax M2.1',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'qwen3.6-plus-free',
label: 'Qwen 3.6 Plus Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'mimo-v2-pro-free',
label: 'MiMo V2 Pro Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'mimo-v2-omni-free',
label: 'MiMo V2 Omni Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'mimo-v2-flash-free',
label: 'MiMo V2 Flash Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'kimi-k2.5',
label: 'Kimi K2.5',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'kimi-k2',
label: 'Kimi K2',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'kimi-k2-thinking',
label: 'Kimi K2 Thinking',
description: `Available on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
supported: true,
},
{
id: 'trinity-large-preview-free',
label: 'Trinity Large Preview Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'big-pickle',
label: 'Big Pickle',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
{
id: 'nemotron-3-super-free',
label: 'Nemotron 3 Super Free',
description: `Free on OpenCode Zen via the ${CHAT_COMPLETIONS_DESCRIPTION}`,
transport: 'chat-completions',
free: true,
keyless: true,
supported: true,
},
]
const OPENCODE_MODEL_LOOKUP = new Map(
OPENCODE_MODEL_CATALOG.map(model => [model.id, model]),
)
export function getOpenCodeModelCatalogEntry(
model: string,
): OpenCodeModelCatalogEntry | undefined {
return OPENCODE_MODEL_LOOKUP.get(model.trim())
}
export function getOpenCodeTransportForModel(
model: string,
): OpenCodeTransport | null {
const normalized = model.trim().toLowerCase()
const known = getOpenCodeModelCatalogEntry(normalized)
if (known) {
return known.transport
}
if (normalized.startsWith('claude-')) {
return 'messages'
}
if (
normalized.startsWith('gpt-') ||
normalized.startsWith('codex') ||
normalized.includes('codex')
) {
return 'responses'
}
if (normalized.startsWith('gemini-')) {
return 'google-models'
}
return 'chat-completions'
}
export function isSupportedOpenCodeTransport(
transport: OpenCodeTransport | null,
): boolean {
return (
transport === 'responses' ||
transport === 'messages' ||
transport === 'chat-completions'
)
}