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feat(core): split MCP timeout configuration (#33977)

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Co-authored-by: Test <test@opencode.test>
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opencode-agent[bot] 2026-06-25 20:31:00 -05:00 • committed by GitHub
commit f428755851
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4 changed files with 41 additions and 20 deletions
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15
packages/core/src/config/mcp.ts
View file

@ -3,6 +3,15 @@ export * as ConfigMCP from "./mcp"
import { Schema } from "effect"
import { PositiveInt } from "../schema"
export class Timeout extends Schema.Class<Timeout>("ConfigV2.MCP.Timeout")({
startup: PositiveInt.pipe(Schema.optional).annotate({
description: "Maximum time in milliseconds to establish and initialize the MCP server.",
}),
request: PositiveInt.pipe(Schema.optional).annotate({
description: "Maximum time in milliseconds to wait for each MCP request after initialization.",
}),
}) {}
export class Local extends Schema.Class<Local>("ConfigV2.MCP.Local")({
type: Schema.Literal("local"),
command: Schema.String.pipe(Schema.Array),
@ -11,7 +20,7 @@ export class Local extends Schema.Class<Local>("ConfigV2.MCP.Local")({
}),
environment: Schema.Record(Schema.String, Schema.String).pipe(Schema.optional),
disabled: Schema.Boolean.pipe(Schema.optional),
timeout: PositiveInt.pipe(Schema.optional),
timeout: Timeout.pipe(Schema.optional),
}) {}
export class OAuth extends Schema.Class<OAuth>("ConfigV2.MCP.OAuth")({
@ -28,12 +37,12 @@ export class Remote extends Schema.Class<Remote>("ConfigV2.MCP.Remote")({
headers: Schema.Record(Schema.String, Schema.String).pipe(Schema.optional),
oauth: Schema.Union([OAuth, Schema.Literal(false)]).pipe(Schema.optional),
disabled: Schema.Boolean.pipe(Schema.optional),
timeout: PositiveInt.pipe(Schema.optional),
timeout: Timeout.pipe(Schema.optional),
}) {}
export const Server = Schema.Union([Local, Remote]).pipe(Schema.toTaggedUnion("type"))
export class Info extends Schema.Class<Info>("ConfigV2.MCP")({
timeout: PositiveInt.pipe(Schema.optional),
timeout: Timeout.pipe(Schema.optional),
servers: Schema.Record(Schema.String, Server).pipe(Schema.optional),
}) {}

6
packages/core/src/v1/config/migrate.ts
View file

@ -132,7 +132,7 @@ function mcp(info: typeof ConfigV1.Info.Type) {
)
const timeout = info.experimental?.mcp_timeout
if (!timeout && !Object.keys(servers).length) return undefined
return { timeout, servers }
return { timeout: timeout === undefined ? undefined : { request: timeout }, servers }
}
function migrateMcp(info: ConfigMCPV1.Info) {
@ -144,7 +144,7 @@ function migrateMcp(info: ConfigMCPV1.Info) {
cwd: info.cwd,
environment: info.environment,
disabled,
timeout: info.timeout,
timeout: info.timeout === undefined ? undefined : { request: info.timeout },
}
return {
type: info.type,
@ -158,7 +158,7 @@ function migrateMcp(info: ConfigMCPV1.Info) {
redirect_uri: info.oauth.redirectUri,
},
disabled,
timeout: info.timeout,
timeout: info.timeout === undefined ? undefined : { request: info.timeout },
}
}

23
packages/core/test/config/config.test.ts
View file

@ -298,14 +298,14 @@ describe("Config", () => {
},
tool_output: { max_lines: 1000, max_bytes: 32768 },
mcp: {
timeout: 5000,
timeout: { startup: 5000, request: 60000 },
servers: {
local: {
type: "local",
command: ["node", "./mcp/server.js"],
environment: { API_KEY: "secret" },
disabled: false,
timeout: 10000,
timeout: { request: 10000 },
},
remote: {
type: "remote",
@ -313,6 +313,7 @@ describe("Config", () => {
headers: { Authorization: "Bearer token" },
oauth: { client_id: "client", scope: "read write", callback_port: 19876 },
disabled: true,
timeout: { startup: 15000 },
},
},
},
@ -383,14 +384,14 @@ describe("Config", () => {
})
expect(documents[0]?.info.tool_output).toEqual({ max_lines: 1000, max_bytes: 32768 })
expect(documents[0]?.info.mcp).toEqual({
timeout: 5000,
timeout: { startup: 5000, request: 60000 },
servers: {
local: {
type: "local",
command: ["node", "./mcp/server.js"],
environment: { API_KEY: "secret" },
disabled: false,
timeout: 10000,
timeout: { request: 10000 },
},
remote: {
type: "remote",
@ -398,6 +399,7 @@ describe("Config", () => {
headers: { Authorization: "Bearer token" },
oauth: { client_id: "client", scope: "read write", callback_port: 19876 },
disabled: true,
timeout: { startup: 15000 },
},
},
})
@ -541,11 +543,12 @@ describe("Config", () => {
compaction: { auto: true, tail_turns: 3, preserve_recent_tokens: 2000, reserved: 10000 },
experimental: { mcp_timeout: 5000 },
mcp: {
local: { type: "local", command: ["node", "server.js"], enabled: false },
local: { type: "local", command: ["node", "server.js"], enabled: false, timeout: 10000 },
remote: {
type: "remote",
url: "https://mcp.example.com",
oauth: { clientId: "client", callbackPort: 19876 },
timeout: 20000,
},
},
}),
@ -623,13 +626,19 @@ describe("Config", () => {
buffer: 10000,
})
expect(documents[0]?.info.mcp).toMatchObject({
timeout: 5000,
timeout: { request: 5000 },
servers: {
local: { type: "local", command: ["node", "server.js"], disabled: true },
local: {
type: "local",
command: ["node", "server.js"],
disabled: true,
timeout: { request: 10000 },
},
remote: {
type: "remote",
url: "https://mcp.example.com",
oauth: { client_id: "client", callback_port: 19876 },
timeout: { request: 20000 },
},
},
})

17
specs/v2/config.md
View file

@ -304,23 +304,25 @@ Rename legacy `permission` to `permissions` and expose the normalized ordered ru
External protocol and server integration configuration.
| Field | Current Purpose | Status | Notes |
| ----- | ------------------------------------- | -------- | ------------------------------------------------------------------------------------------------------------------------------------------------- |
| `mcp` | MCP server definitions and enablement | redesign | Keep opencode's explicit local/remote server entry format, nested under `mcp.servers`; use `disabled` for inactive entries and move timeout here. |
| Field | Current Purpose | Status | Notes |
| ----- | ------------------------------------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `mcp` | MCP server definitions and enablement | redesign | Keep opencode's explicit local/remote server entry format, nested under `mcp.servers`; use `disabled` for inactive entries and move timeout defaults here. |
Keep the opencode MCP server entry format instead of adopting the common `mcpServers` copy/paste shape. Local servers remain explicit `type: "local"` entries with command arrays and `environment`; remote servers remain explicit `type: "remote"` entries with `url`, `headers`, and optional `oauth`. Nest the server map under `mcp.servers` so protocol-wide settings such as default timeout can live under the same subsystem.
Keep the opencode MCP server entry format instead of adopting the common `mcpServers` copy/paste shape. Local servers remain explicit `type: "local"` entries with command arrays and `environment`; remote servers remain explicit `type: "remote"` entries with `url`, `headers`, and optional `oauth`. Nest the server map under `mcp.servers` so protocol-wide settings such as timeout defaults can live under the same subsystem.
MCP timeouts have separate startup and request budgets, expressed in milliseconds. `startup` covers establishing the transport and completing MCP initialization. `request` applies independently to each post-initialization MCP request. A server may override either default without repeating the other.
```jsonc
{
"mcp": {
"timeout": 5000,
"timeout": { "startup": 30000, "request": 300000 },
"servers": {
"github": {
"type": "local",
"command": ["npx", "-y", "@github/github-mcp-server"],
"environment": { "GITHUB_TOKEN": "{env:GITHUB_TOKEN}" },
"disabled": false,
"timeout": 10000,
"timeout": { "startup": 60000 },
},
"docs": {
"type": "remote",
@ -334,6 +336,7 @@ Keep the opencode MCP server entry format instead of adopting the common `mcpSer
"redirect_uri": "http://127.0.0.1:19876/mcp/oauth/callback",
},
"disabled": false,
"timeout": { "request": 600000 },
},
},
},
@ -375,7 +378,7 @@ Fields that should not be ported by inertia; each needs an explicit justificatio
| `experimental.openTelemetry` | Enable AI SDK telemetry spans | remove | Do not port; observability is process-level and should use standard OpenTelemetry environment or declarative configuration. |
| `experimental.primary_tools` | Restrict tools to primary agents | remove | Do not port obsolete gating; agent tool access is configured through permissions. |
| `experimental.continue_loop_on_deny` | Continue loop after denied tool call | remove | Do not port legacy denied-tool loop behavior. |
| `experimental.mcp_timeout` | MCP request timeout | redesign | Move to `mcp.timeout` for the default and `mcp.servers.<name>.timeout` for per-server overrides. |
| `experimental.mcp_timeout` | MCP request timeout | redesign | Move to `mcp.timeout.request` for the default and `mcp.servers.<name>.timeout.request` for per-server overrides. |
## Review Order