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feat(core): allow MCP Code Mode opt-out (#37681)

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Co-authored-by: Dax Raad <d@ironbay.co>
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opencode-agent[bot] 2026-07-18 17:17:56 -04:00 • committed by GitHub
commit fe9b051d1a
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6 changed files with 57 additions and 9 deletions
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11
packages/core/src/tool/mcp.ts
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@ -16,8 +16,7 @@ import { ToolRegistry } from "./registry"
* Registry namespace and permission action names for MCP tools.
*/
export const namespace = (server: string) => server.replace(/[^a-zA-Z0-9_-]/g, "_")
export const name = (server: string, tool: string) =>
`${namespace(server)}_${tool.replace(/[^a-zA-Z0-9_-]/g, "_")}`
export const name = (server: string, tool: string) => `${namespace(server)}_${tool.replace(/[^a-zA-Z0-9_-]/g, "_")}`
export const layer = Layer.effectDiscard(
Effect.gen(function* () {
@ -33,11 +32,11 @@ export const layer = Layer.effectDiscard(
// registry never has a gap where MCP tools disappear mid-swap.
const reconcile = lock.withPermit(
Effect.gen(function* () {
const groups = new Map<string, Record<string, Tool.AnyTool>>()
const groups = new Map<string, { tools: Record<string, Tool.AnyTool>; codemode: boolean }>()
for (const tool of yield* mcp.tools()) {
const group = groups.get(tool.server) ?? {}
const group = groups.get(tool.server) ?? { tools: {}, codemode: tool.codemode !== false }
const schema = (tool.inputSchema ?? {}) as JsonSchema.JsonSchema
group[tool.name] = Tool.withPermission(
group.tools[tool.name] = Tool.withPermission(
Tool.make({
description: tool.description ?? "",
jsonSchema: {
@ -108,7 +107,7 @@ export const layer = Layer.effectDiscard(
const next = yield* Scope.fork(scope)
yield* Effect.forEach(
groups,
([server, record]) => tools.register(record, { namespace: namespace(server) }),
([server, group]) => tools.register(group.tools, { namespace: namespace(server), codemode: group.codemode }),
{
discard: true,
},