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fix(cli): identify Kilo in LLM user agent #11347

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Merged
markijbema merged 3 commits into from
Jun 17, 2026
Merged

fix(cli): identify Kilo in LLM user agent #11347

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b518a76
fix(cli): identify Kilo in LLM user agent
Jun 17, 2026
074a336
test(cli): annotate LLM user agent assertion
Jun 17, 2026
a75da55
test(cli): keep user agent marker focused
Jun 17, 2026
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5 changes: 5 additions & 0 deletions .changeset/fix-llm-user-agent.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@kilocode/cli": patch
---

Identify Kilo in provider request user-agent headers instead of OpenCode.
6 changes: 3 additions & 3 deletions packages/opencode/src/session/llm.ts
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Expand Up @@ -44,7 +44,7 @@ import { KiloSessionOverflow } from "@/kilocode/session/overflow"
import { SessionExport } from "@/kilocode/session-export"
import { getActiveOrg } from "@/kilocode/session-export/eligibility"
// kilocode_change end
import { InstallationVersion } from "@opencode-ai/core/installation/version"
import { USER_AGENT } from "@/installation" // kilocode_change
import { EffectBridge } from "@/effect/bridge"
import { RuntimeFlags } from "@/effect/runtime-flags"
import * as Option from "effect/Option"
Expand Down Expand Up @@ -491,12 +491,12 @@ const live: Layer.Layer<
"x-kilo-session": input.sessionID,
"x-kilo-request": input.user.id,
"x-kilo-client": flags.client,
"User-Agent": `opencode/${InstallationVersion}`,
"User-Agent": USER_AGENT, // kilocode_change
}
: {
"x-session-affinity": input.sessionID,
...(input.parentSessionID ? { "x-parent-session-id": input.parentSessionID } : {}),
"User-Agent": `opencode/${InstallationVersion}`,
"User-Agent": USER_AGENT, // kilocode_change
...(input.model.providerID !== "anthropic" ? DEFAULT_HEADERS : undefined), // kilocode_change
}),
// kilocode_change start - headers for kilo provider
Expand Down
3 changes: 3 additions & 0 deletions packages/opencode/test/session/llm.test.ts
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Expand Up @@ -17,6 +17,7 @@ import type { Agent } from "../../src/agent/agent"
import { MessageV2 } from "../../src/session/message-v2"
import { SessionID, MessageID } from "../../src/session/schema"
import { AppRuntime } from "../../src/effect/app-runtime"
import { USER_AGENT } from "../../src/installation" // kilocode_change

async function getModel(providerID: ProviderID, modelID: ModelID, ctx: InstanceContext) {
const effect = Effect.gen(function* () {
Expand Down Expand Up @@ -1159,8 +1160,10 @@ describe("session.llm.stream", () => {

const capture = await request
const body = capture.body
const headers = capture.headers // kilocode_change

expect(capture.url.pathname.endsWith("/messages")).toBe(true)
expect(headers.get("User-Agent")?.split(" ")[0]).toBe(USER_AGENT) // kilocode_change
expect(body.messages).toStrictEqual([
{
role: "user",
Expand Down
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