diff --git a/packages/junior-github/src/tool-support/attribution.ts b/packages/junior-github/src/tool-support/attribution.ts
index 52dc3fe36e..bbb9419a9d 100644
--- a/packages/junior-github/src/tool-support/attribution.ts
+++ b/packages/junior-github/src/tool-support/attribution.ts
@@ -2,6 +2,7 @@ import type {
   Actor,
   Identity,
   PluginLogger,
+  Source,
   User,
 } from "@sentry/junior-plugin-api";
 
@@ -53,25 +54,50 @@ function cleanDisplayValue(
   return cleaned;
 }
 
+/** Name the Automation run that made this write. */
+function automationLabel(
+  source: Source | undefined,
+  automationUrl: string | undefined,
+): string | undefined {
+  if (
+    (source?.kind !== "event_automation" &&
+      source?.kind !== "scheduled_automation") ||
+    !source.automationId
+  ) {
+    return undefined;
+  }
+  const automation = `automation \`${source.automationId}\``;
+  const label = automationUrl
+    ? `[${automation}](${automationUrl})`
+    : automation;
+  return source.automationRunId
+    ? `${label} · Run ID \`${source.automationRunId}\``
+    : label;
+}
+
 /**
  * Resolve the requester display label through the host identity path first.
  *
- * Prefer a linked GitHub login as an `@` mention so GitHub subscribes the
- * requester. Otherwise use the linked user name, then the stored identity
- * name/handle, then the already-hydrated actor profile. Never publish a raw
- * actor id.
+ * Automation runs use the automation label. Other system actors get no label
+ * because their names are internal. For people, prefer a linked GitHub login
+ * as an `@` mention so GitHub subscribes the requester. Otherwise use the
+ * linked user name, then the stored identity name/handle, then the
+ * already-hydrated actor profile. Never publish a raw actor id.
  */
 function requesterLabel(args: {
   actor: Actor | undefined;
+  automationUrl?: string;
   identity?: Identity;
+  source?: Source;
   user?: User;
 }): string | undefined {
   const { actor, identity, user } = args;
-  if (!actor) {
-    return undefined;
+  const automation = automationLabel(args.source, args.automationUrl);
+  if (automation) {
+    return automation;
   }
-  if (actor.platform === "system") {
-    return `Junior system actor \`${actor.name}\``;
+  if (!actor || actor.platform === "system") {
+    return undefined;
   }
 
   const login = linkedGitHubLogin(user);
@@ -101,10 +127,11 @@ function parseExistingLabels(blockContents: string): string[] {
   }
   const withoutLeadIn = trimmed.replace(/^(?:Requested by|via)\s+/i, "");
   // Only split on a comma that starts the next label (bold markdown, a GitHub
-  // mention, a system-actor label, or a legacy repeated "via") so a display
-  // name that itself contains a comma is not broken into extra labels.
+  // mention, an automation label, a system-actor label, or a legacy repeated
+  // "via") so a display name that itself contains a comma is not broken into
+  // extra labels.
   return withoutLeadIn
-    .split(/,\s*(?=\*\*|@|Junior system actor `|via\s)/i)
+    .split(/,\s*(?=\*\*|@|\[?automation `|Junior system actor `|via\s)/i)
     .map((entry) => entry.trim().replace(/^via\s+/i, ""))
     .filter(Boolean);
 }
@@ -152,7 +179,9 @@ export async function appendGitHubRequesterAttribution(
   body: string,
   ctx: {
     actor?: Actor;
+    automationLink?: { url: string };
     log: PluginLogger;
+    source?: Source;
     users: {
       resolveActor(): Promise<{ identity?: Identity; user?: User } | undefined>;
     };
@@ -178,7 +207,9 @@ export async function appendGitHubRequesterAttribution(
     body,
     requesterLabel({
       actor: ctx.actor,
+      automationUrl: ctx.automationLink?.url,
       identity: resolved?.identity,
+      source: ctx.source,
       user: resolved?.user,
     }),
   );
diff --git a/packages/junior-github/src/tools/update-issue.ts b/packages/junior-github/src/tools/update-issue.ts
index 8f27872f22..ea170a9897 100644
--- a/packages/junior-github/src/tools/update-issue.ts
+++ b/packages/junior-github/src/tools/update-issue.ts
@@ -6,6 +6,7 @@ import {
   type Actor,
   type PluginLogger,
   type PluginEgress,
+  type Source,
   definePluginTool,
   PluginToolInputError,
   pluginToolOutputSchema,
@@ -100,11 +101,13 @@ function githubApiErrorMessage(payload: unknown): string {
 /** Update mutable issue metadata while preserving runtime-owned body attribution. */
 export function createGitHubUpdateIssueTool(ctx: {
   actor?: Actor;
+  automationLink?: { url: string };
   conversationId?: string;
   egress: PluginEgress;
   log: PluginLogger;
   events: { canSubscribe: boolean };
   slack?: { conversationLink?: { url?: string } };
+  source?: Source;
   users: {
     resolveActor(): Promise<{ identity?: Identity; user?: User } | undefined>;
   };
diff --git a/packages/junior-github/src/tools/update-pull-request.ts b/packages/junior-github/src/tools/update-pull-request.ts
index 37ad507649..4c7e6dbb63 100644
--- a/packages/junior-github/src/tools/update-pull-request.ts
+++ b/packages/junior-github/src/tools/update-pull-request.ts
@@ -6,6 +6,7 @@ import {
   type Actor,
   type PluginLogger,
   type PluginEgress,
+  type Source,
   definePluginTool,
   PluginToolInputError,
   pluginToolOutputSchema,
@@ -181,11 +182,13 @@ function githubGraphqlErrorMessage(payload: unknown): string {
 /** Update mutable PR metadata while preserving runtime-owned body attribution. */
 export function createGitHubUpdatePullRequestTool(ctx: {
   actor?: Actor;
+  automationLink?: { url: string };
   conversationId?: string;
   egress: PluginEgress;
   log: PluginLogger;
   events: { canSubscribe: boolean };
   slack?: { conversationLink?: { url?: string } };
+  source?: Source;
   users: {
     resolveActor(): Promise<{ identity?: Identity; user?: User } | undefined>;
   };
diff --git a/packages/junior-github/tests/github-plugin.test.ts b/packages/junior-github/tests/github-plugin.test.ts
index c884f90517..f4c41ed510 100644
--- a/packages/junior-github/tests/github-plugin.test.ts
+++ b/packages/junior-github/tests/github-plugin.test.ts
@@ -62,6 +62,7 @@ class TestTokenStore {
 type TestActor = {
   email?: string;
   fullName?: string;
+  name?: string;
   platform?: string;
   teamId?: string;
   userId?: string;
@@ -343,6 +344,7 @@ function githubToolsContext(input?: {
     request: Request;
   }) => Promise<Response>;
   resolveActor?: ToolRegistrationHookContext["users"]["resolveActor"];
+  source?: ToolRegistrationHookContext["source"];
   stateSet?: (input: { key: string; value: unknown }) => Promise<void> | void;
   subscribe?: ToolRegistrationHookContext["events"]["subscribe"];
 }) {
@@ -360,7 +362,7 @@ function githubToolsContext(input?: {
     ...(input?.actor ? { actor: input.actor } : undefined),
     conversationId,
     destination: { platform: "local" as const, conversationId },
-    source: {
+    source: input?.source ?? {
       kind: "local" as const,
       visibility: "private" as const,
       conversationId,
@@ -1029,6 +1031,38 @@ describe("github plugin", () => {
     });
   });
 
+  it("attributes automation writes to the Automation run", async () => {
+    process.env.GITHUB_WEBHOOK_SECRET = "test-secret";
+    const ctx = {
+      ...githubToolsContext({
+        actor: { platform: "system", name: "junior" },
+        conversationId: "agent-dispatch:dispatch_1",
+        source: {
+          kind: "event_automation",
+          automationId: "evt_1",
+          automationRunId: "dispatch_1",
+        },
+      }),
+      automationLink: { url: "https://junior.example.com/automations/evt_1" },
+    };
+    const tool = githubPlugin().hooks?.tools?.(ctx as any)?.createIssue;
+
+    await tool?.execute?.(
+      {
+        repo: "getsentry/junior",
+        title: "Typed issue",
+        body: "Issue body",
+        labels: ["bug"],
+      },
+      { toolCallId: "call-create-issue-automation" },
+    );
+
+    const request = ctx.egressRequests()[0];
+    await expect(request?.request.json()).resolves.toMatchObject({
+      body: "Issue body\n\n<!-- junior-request-attribution:start -->\nvia [automation `evt_1`](https://junior.example.com/automations/evt_1) · Run ID `dispatch_1`.\n<!-- junior-request-attribution:end -->",
+    });
+  });
+
   it("keeps issue annotation labels compact for long titles", async () => {
     const ctx = githubToolsContext();
     const tool = githubPlugin().hooks?.tools?.(ctx as any)?.createIssue;
diff --git a/packages/junior-plugin-api/src/schemas.ts b/packages/junior-plugin-api/src/schemas.ts
index 895ab1632e..967898fa05 100644
--- a/packages/junior-plugin-api/src/schemas.ts
+++ b/packages/junior-plugin-api/src/schemas.ts
@@ -130,14 +130,26 @@ export const eventSourceSchema = z
   })
   .strict();
 
+// Stored automation Sources from before these fields existed omit them.
+const automationSourceFields = {
+  automationId: exactNonBlankStringSchema.optional(),
+  automationRunId: exactNonBlankStringSchema.optional(),
+};
+
 /** Runtime-owned Scheduled automation input Source. */
 export const scheduledAutomationSourceSchema = z
-  .object({ kind: z.literal("scheduled_automation") })
+  .object({
+    kind: z.literal("scheduled_automation"),
+    ...automationSourceFields,
+  })
   .strict();
 
 /** Runtime-owned Event automation input Source. */
 export const eventAutomationSourceSchema = z
-  .object({ kind: z.literal("event_automation") })
+  .object({
+    kind: z.literal("event_automation"),
+    ...automationSourceFields,
+  })
   .strict();
 
 /** Runtime-owned Plugin dispatch input Source. */
diff --git a/packages/junior-plugin-api/src/tools.ts b/packages/junior-plugin-api/src/tools.ts
index 7822da1513..b379c280ed 100644
--- a/packages/junior-plugin-api/src/tools.ts
+++ b/packages/junior-plugin-api/src/tools.ts
@@ -571,6 +571,8 @@ interface BaseToolRegistrationHookContext extends PluginContext {
    */
   conversationId?: string;
   annotations?: PluginAnnotations;
+  /** Host-owned dashboard link to the Automation that started this run. */
+  automationLink?: { url: string };
   embedder: PluginEmbedder;
   egress: PluginEgress;
   mcp?: PluginMcp;
diff --git a/packages/junior/src/chat/agent-dispatch/context.ts b/packages/junior/src/chat/agent-dispatch/context.ts
index be438ed8a8..ac630becee 100644
--- a/packages/junior/src/chat/agent-dispatch/context.ts
+++ b/packages/junior/src/chat/agent-dispatch/context.ts
@@ -12,6 +12,7 @@ import { createPluginLogger } from "@/chat/plugins/logging";
 import { createPluginState } from "@/chat/plugins/state";
 import type { ConversationWorkQueue } from "@/chat/task-execution/queue";
 import {
+  buildDispatchId,
   createOrGetDispatch,
   getPluginDispatchProjection,
   isTerminalDispatchStatus,
@@ -130,6 +131,7 @@ export function createHeartbeatContext(args: {
 
 /** Create and enqueue one core-owned event automation dispatch. */
 export async function dispatchEventAutomation(args: {
+  automationId: string;
   conversationWorkQueue: ConversationWorkQueue;
   nowMs: number;
   options: Omit<SlackDispatchOptions, "credentialSubject"> & {
@@ -157,7 +159,12 @@ export async function dispatchEventAutomation(args: {
     ...unboundOptions,
     ...(outcomes !== undefined ? { outcomes } : undefined),
     ...(boundSubject ? { credentialSubject: boundSubject } : undefined),
-    source: { kind: "event_automation" },
+    source: {
+      kind: "event_automation",
+      automationId: args.automationId,
+      // An event automation run id is its dispatch id.
+      automationRunId: buildDispatchId(plugin, unboundOptions.idempotencyKey),
+    },
   };
   return await dispatch({
     conversationWorkQueue: args.conversationWorkQueue,
@@ -169,6 +176,7 @@ export async function dispatchEventAutomation(args: {
 
 /** Create and enqueue one core-owned scheduled automation dispatch. */
 export async function dispatchScheduledAutomation(args: {
+  automationId: string;
   conversationWorkQueue: ConversationWorkQueue;
   nowMs: number;
   options: Omit<SlackDispatchOptions, "credentialSubject"> & {
@@ -196,7 +204,12 @@ export async function dispatchScheduledAutomation(args: {
     ...unboundOptions,
     ...(outcomes !== undefined ? { outcomes } : undefined),
     ...(boundSubject ? { credentialSubject: boundSubject } : undefined),
-    source: { kind: "scheduled_automation" },
+    source: {
+      kind: "scheduled_automation",
+      automationId: args.automationId,
+      // A scheduled automation run id is its idempotency key.
+      automationRunId: unboundOptions.idempotencyKey,
+    },
   };
   return await dispatch({
     conversationWorkQueue: args.conversationWorkQueue,
diff --git a/packages/junior/src/chat/agent-dispatch/store.ts b/packages/junior/src/chat/agent-dispatch/store.ts
index e2372be10d..370aea70dc 100644
--- a/packages/junior/src/chat/agent-dispatch/store.ts
+++ b/packages/junior/src/chat/agent-dispatch/store.ts
@@ -163,7 +163,11 @@ function normalizeMetadata(
 
 const DISPATCH_ID_PREFIX = "agent-dispatch:";
 
-function buildDispatchId(plugin: string, idempotencyKey: string): string {
+/** Return the stable dispatch id for one plugin idempotency key. */
+export function buildDispatchId(
+  plugin: string,
+  idempotencyKey: string,
+): string {
   const digest = createHash("sha256")
     .update(plugin)
     .update("\0")
diff --git a/packages/junior/src/chat/event-automations/ingest.ts b/packages/junior/src/chat/event-automations/ingest.ts
index 08df389dce..a3f649c64e 100644
--- a/packages/junior/src/chat/event-automations/ingest.ts
+++ b/packages/junior/src/chat/event-automations/ingest.ts
@@ -154,6 +154,7 @@ export async function ingestEventAutomations(
             }
           : undefined;
       const dispatch = await dispatchEventAutomation({
+        automationId: task.id,
         conversationWorkQueue: options.queue,
         nowMs,
         options: {
diff --git a/packages/junior/src/chat/plugins/agent-hooks.ts b/packages/junior/src/chat/plugins/agent-hooks.ts
index 05ccbb50ec..cdb64aa0c5 100644
--- a/packages/junior/src/chat/plugins/agent-hooks.ts
+++ b/packages/junior/src/chat/plugins/agent-hooks.ts
@@ -46,7 +46,10 @@ import { createPluginState } from "@/chat/plugins/state";
 import { SANDBOX_WORKSPACE_ROOT } from "@/chat/sandbox/paths";
 import { runNonInteractiveCommand } from "@/chat/sandbox/noninteractive-command";
 import type { AnyToolDefinition } from "@/chat/tools/definition";
-import { getDashboardConversationLink } from "@/chat/dashboard-link";
+import {
+  getDashboardConversationLink,
+  getDashboardTaskLink,
+} from "@/chat/dashboard-link";
 import { createWatch } from "@/chat/events/store";
 import { RESOURCE_SUBSCRIPTION_DEFAULT_TTL_MS } from "@/chat/events/tool-support";
 
@@ -701,9 +704,18 @@ export function getPluginTools(
     };
     const resolveActor =
       context.resolveActorIdentity ?? (async () => undefined);
+    const automationUrl =
+      (context.source.kind === "event_automation" ||
+        context.source.kind === "scheduled_automation") &&
+      context.source.automationId
+        ? getDashboardTaskLink(context.source.automationId)
+        : undefined;
     const common = {
       ...basePluginContext(plugin),
       annotations,
+      ...(automationUrl
+        ? { automationLink: { url: automationUrl } }
+        : undefined),
       conversationId: context.conversationId,
       locationId: context.locationId,
       ...(slackContext ? { slack: slackContext } : undefined),
diff --git a/packages/junior/src/chat/scheduled-automations/heartbeat.ts b/packages/junior/src/chat/scheduled-automations/heartbeat.ts
index 973e98e063..55bb73b551 100644
--- a/packages/junior/src/chat/scheduled-automations/heartbeat.ts
+++ b/packages/junior/src/chat/scheduled-automations/heartbeat.ts
@@ -364,6 +364,7 @@ export async function runScheduledAutomationHeartbeat(args: {
     let dispatch;
     try {
       dispatch = await dispatchScheduledAutomation({
+        automationId: task.id,
         conversationWorkQueue: args.conversationWorkQueue,
         nowMs: args.nowMs,
         options: {
diff --git a/packages/junior/tests/integration/event-automations.test.ts b/packages/junior/tests/integration/event-automations.test.ts
index e1bc56f81a..140638a3e4 100644
--- a/packages/junior/tests/integration/event-automations.test.ts
+++ b/packages/junior/tests/integration/event-automations.test.ts
@@ -343,6 +343,14 @@ describe("event automations", () => {
         }),
       ]),
     );
+    // Each dispatch Source names its Automation and run.
+    for (const dispatch of dispatches) {
+      expect(dispatch!.source).toEqual({
+        kind: "event_automation",
+        automationId: expect.any(String),
+        automationRunId: dispatch!.id,
+      });
+    }
     // Each dispatch starts one run that links its Conversation.
     const readRuns = () =>
       db
diff --git a/packages/junior/tests/integration/heartbeat-scheduled-automations.test.ts b/packages/junior/tests/integration/heartbeat-scheduled-automations.test.ts
index b2b64b558b..b0cd86fd2a 100644
--- a/packages/junior/tests/integration/heartbeat-scheduled-automations.test.ts
+++ b/packages/junior/tests/integration/heartbeat-scheduled-automations.test.ts
@@ -206,7 +206,11 @@ describe("scheduled automation heartbeat", () => {
     );
     expect(dispatchRecord?.destination).toEqual(SLACK_DESTINATION);
     expect(dispatchRecord?.destinationVisibility).toBe("public");
-    expect(dispatchRecord?.source).toEqual({ kind: "scheduled_automation" });
+    expect(dispatchRecord?.source).toEqual({
+      kind: "scheduled_automation",
+      automationId: "sched_plugin_1",
+      automationRunId: `sched_plugin_1:${TEST_RUN_AT_MS}`,
+    });
     expect(dispatchRecord?.metadata).toMatchObject({
       runId: `sched_plugin_1:${TEST_RUN_AT_MS}`,
       schedule: "Once at noon",