diff --git a/src/main/app/ipc-handlers.ts b/src/main/app/ipc-handlers.ts
index e4784b5e..7361bfe3 100644
--- a/src/main/app/ipc-handlers.ts
+++ b/src/main/app/ipc-handlers.ts
@@ -342,6 +342,15 @@ export function registerIpcHandlers(deps: IpcDeps): void {
       return fail("composio_connect_failed", error instanceof Error ? error.message : String(error));
     }
   });
+  ipcMain.handle(IPC_CHANNELS.disconnectComposioToolkit, async (_event, input) => {
+    try {
+      await composioConnections.disconnectToolkit(input.orgId, input.toolkitSlug);
+      notifyDataChanged();
+      return ok(snapshot.load());
+    } catch (error) {
+      return fail("composio_disconnect_failed", error instanceof Error ? error.message : String(error));
+    }
+  });
   ipcMain.handle(IPC_CHANNELS.refreshComposioAccounts, async (_event, input) => {
     try {
       await composioConnections.refreshAccounts(input.orgId);
diff --git a/src/main/services/composio/composio-client.ts b/src/main/services/composio/composio-client.ts
index 85270005..40d28f53 100644
--- a/src/main/services/composio/composio-client.ts
+++ b/src/main/services/composio/composio-client.ts
@@ -93,19 +93,34 @@ export class ComposioClient {
   }
 
   async listConnectedAccounts(userId: string): Promise<ComposioConnectedAccount[]> {
-    const params = new URLSearchParams({ user_ids: userId, limit: "50" });
-    const response = await this.request("GET", `${BASE_URL}/connected_accounts?${params.toString()}`);
-    if (!Array.isArray(response.items)) return [];
-    return (response.items as Array<Record<string, unknown>>).map((item) => {
-      const toolkit = (item.toolkit ?? {}) as Record<string, unknown>;
-      const authConfig = (item.auth_config ?? {}) as Record<string, unknown>;
-      return {
-        id: String(item.id ?? ""),
-        toolkitSlug: String(toolkit.slug ?? "").toLowerCase(),
-        status: String(item.status ?? ""),
-        authConfigId: String(authConfig.id ?? ""),
-        createdAt: String(item.created_at ?? ""),
-      };
+    const accounts: ComposioConnectedAccount[] = [];
+    let cursor: string | null = null;
+    do {
+      const params = new URLSearchParams({ user_ids: userId, limit: "100" });
+      if (cursor) params.set("cursor", cursor);
+      const response = await this.request("GET", `${BASE_URL}/connected_accounts?${params.toString()}`);
+      const items = Array.isArray(response.items) ? response.items as Array<Record<string, unknown>> : [];
+      for (const item of items) {
+        const toolkit = (item.toolkit ?? {}) as Record<string, unknown>;
+        const authConfig = (item.auth_config ?? {}) as Record<string, unknown>;
+        accounts.push({
+          id: String(item.id ?? ""),
+          toolkitSlug: String(toolkit.slug ?? "").toLowerCase(),
+          status: String(item.status ?? ""),
+          authConfigId: String(authConfig.id ?? ""),
+          createdAt: String(item.created_at ?? ""),
+        });
+      }
+      cursor = typeof response.next_cursor === "string" && response.next_cursor ? response.next_cursor : null;
+      if (items.length === 0) break;
+    } while (cursor);
+    return accounts;
+  }
+
+  /** Idempotent: an account already gone in Composio (404) counts as deleted. */
+  async deleteConnectedAccount(accountId: string): Promise<void> {
+    await this.request("DELETE", `${BASE_URL}/connected_accounts/${encodeURIComponent(accountId)}`, undefined, {
+      tolerateNotFound: true,
     });
   }
 
@@ -128,7 +143,12 @@ export class ComposioClient {
     };
   }
 
-  private async request(method: string, url: string, body?: Record<string, unknown>): Promise<Record<string, unknown>> {
+  private async request(
+    method: string,
+    url: string,
+    body?: Record<string, unknown>,
+    options?: { tolerateNotFound?: boolean },
+  ): Promise<Record<string, unknown>> {
     return new Promise((resolve, reject) => {
       const request = net.request({ method, url });
       request.setHeader("x-api-key", this.apiKey);
@@ -139,6 +159,10 @@ export class ComposioClient {
       request.on("response", (response) => {
         response.on("data", (chunk) => { responseData += chunk.toString(); });
         response.on("end", () => {
+          if (response.statusCode === 404 && options?.tolerateNotFound) {
+            resolve({});
+            return;
+          }
           if (response.statusCode && response.statusCode >= 400) {
             reject(new Error(`Composio API ${method} ${url} returned ${response.statusCode}: ${responseData.slice(0, 200)}`));
             return;
diff --git a/src/main/services/composio/composio-connection-service.ts b/src/main/services/composio/composio-connection-service.ts
index 5b533997..fc129d08 100644
--- a/src/main/services/composio/composio-connection-service.ts
+++ b/src/main/services/composio/composio-connection-service.ts
@@ -17,8 +17,14 @@ let catalogCache: { fetchedAt: number; entries: ConnectorCatalogEntry[] } | null
  * accounts against them. One connected account per toolkit per organization,
  * mirrored into connector_accounts so agent runs and the Connectors page
  * read local state instead of calling out on every frame.
+ *
+ * Mutations and refreshes are serialized per organization: a refresh whose
+ * server read predates a delete or connect would otherwise land afterwards
+ * and resurrect (or sweep) rows from its stale snapshot.
  */
 export class ComposioConnectionService {
+  private static queues = new Map<string, Promise<unknown>>();
+
   constructor(private readonly db: DatabaseSync) {}
 
   listCatalog(): Promise<ConnectorCatalogEntry[]> {
@@ -29,14 +35,32 @@ export class ComposioConnectionService {
    * Starts (or restarts) the company's connection for a toolkit: initiates a
    * connected account against the toolkit's configured auth config via the
    * link flow and records the pending account locally as INITIALIZING — the
-   * poll that follows adopts Composio's real status. The returned redirect
-   * URL completes authorization (or API-key entry) in the browser.
+   * poll that follows adopts Composio's real status. Any previous account
+   * for the toolkit is deleted first so reconnecting replaces instead of
+   * accumulating accounts in Composio. The returned redirect URL completes
+   * authorization (or API-key entry) in the browser.
    */
-  async connectToolkit(orgId: string, toolkitSlug: string): Promise<ConnectComposioToolkitResult> {
+  connectToolkit(orgId: string, toolkitSlug: string): Promise<ConnectComposioToolkitResult> {
+    return this.serialize(orgId, () => this.connectToolkitNow(orgId, toolkitSlug));
+  }
+
+  /** See class docs: linearizes connect/refresh/disconnect for one org. */
+  private serialize<T>(orgId: string, operation: () => Promise<T>): Promise<T> {
+    const tail = ComposioConnectionService.queues.get(orgId) ?? Promise.resolve();
+    const next = tail.then(operation, operation);
+    ComposioConnectionService.queues.set(orgId, next.then(() => undefined, () => undefined));
+    return next;
+  }
+
+  private async connectToolkitNow(orgId: string, toolkitSlug: string): Promise<ConnectComposioToolkitResult> {
     const slug = normalizeSlug(toolkitSlug);
     const client = this.requireClient();
     const entry = (await this.catalog(client)).find((item) => item.slug === slug);
     if (!entry) throw new Error(`No auth config for "${slug}" exists in the Composio project.`);
+    const previous = this.db.prepare(
+      "select id from connector_accounts where org_id = ? and toolkit_slug = ?",
+    ).get(orgId, slug) as { id: string } | undefined;
+    if (previous) await client.deleteConnectedAccount(previous.id);
     const account = await client.createConnectedAccount({
       authConfigId: entry.authConfigId,
       userId: getComposioUserId(this.db, orgId),
@@ -56,11 +80,21 @@ export class ComposioConnectionService {
     return { accountId: account.id, redirectUrl: account.redirectUrl };
   }
 
-  /** Pulls account statuses from Composio and updates the local mirror. */
-  async refreshAccounts(orgId: string): Promise<void> {
+  /**
+   * Pulls account statuses from Composio and updates the local mirror, in
+   * both directions: statuses adopt Composio's truth, and local rows whose
+   * account no longer exists in Composio are removed along with their
+   * grants — deleting an account in the dashboard cleans up here too.
+   */
+  refreshAccounts(orgId: string): Promise<void> {
+    return this.serialize(orgId, () => this.refreshAccountsNow(orgId));
+  }
+
+  private async refreshAccountsNow(orgId: string): Promise<void> {
     const client = this.requireClient();
     const accounts = await client.listConnectedAccounts(getComposioUserId(this.db, orgId));
     const now = new Date().toISOString();
+    const liveIds = new Set(accounts.map((account) => account.id));
     for (const account of accounts) {
       if (!account.toolkitSlug) continue;
       this.db.prepare(`
@@ -82,6 +116,36 @@ export class ComposioConnectionService {
         now,
       );
     }
+    const localRows = this.db.prepare("select id, toolkit_slug from connector_accounts where org_id = ?")
+      .all(orgId) as Array<{ id: string; toolkit_slug: string }>;
+    for (const row of localRows) {
+      if (liveIds.has(row.id)) continue;
+      this.removeLocalAccount(orgId, row.toolkit_slug);
+    }
+  }
+
+  /**
+   * Deletes the company's connection for a toolkit: removes the connected
+   * account in Composio (already-gone counts as deleted), then the local
+   * mirror row and every agent grant that pointed at it.
+   */
+  disconnectToolkit(orgId: string, toolkitSlug: string): Promise<void> {
+    return this.serialize(orgId, () => this.disconnectToolkitNow(orgId, toolkitSlug));
+  }
+
+  private async disconnectToolkitNow(orgId: string, toolkitSlug: string): Promise<void> {
+    const slug = normalizeSlug(toolkitSlug);
+    const row = this.db.prepare(
+      "select id from connector_accounts where org_id = ? and toolkit_slug = ?",
+    ).get(orgId, slug) as { id: string } | undefined;
+    if (!row) return;
+    await this.requireClient().deleteConnectedAccount(row.id);
+    this.removeLocalAccount(orgId, slug);
+  }
+
+  private removeLocalAccount(orgId: string, slug: string): void {
+    this.db.prepare("delete from connector_accounts where org_id = ? and toolkit_slug = ?").run(orgId, slug);
+    this.db.prepare("delete from agent_connector_grants where org_id = ? and toolkit_slug = ?").run(orgId, slug);
   }
 
   private requireClient(): ComposioClient {
diff --git a/src/preload/index.ts b/src/preload/index.ts
index a4ea247d..7726f1df 100644
--- a/src/preload/index.ts
+++ b/src/preload/index.ts
@@ -84,6 +84,7 @@ const api: DesktopApi = {
   setRetentionFreezeState: (input) => invoke(IPC_CHANNELS.setRetentionFreezeState, input),
   listConnectorCatalog: () => invoke(IPC_CHANNELS.listConnectorCatalog),
   connectComposioToolkit: (input) => invoke(IPC_CHANNELS.connectComposioToolkit, input),
+  disconnectComposioToolkit: (input) => invoke(IPC_CHANNELS.disconnectComposioToolkit, input),
   refreshComposioAccounts: (input) => invoke(IPC_CHANNELS.refreshComposioAccounts, input),
   search: (input) => invoke(IPC_CHANNELS.search, input),
   subscribe: (callback) => {
diff --git a/src/renderer/src/pages/ConnectorsPage.tsx b/src/renderer/src/pages/ConnectorsPage.tsx
index c91142b1..001580d8 100644
--- a/src/renderer/src/pages/ConnectorsPage.tsx
+++ b/src/renderer/src/pages/ConnectorsPage.tsx
@@ -13,7 +13,7 @@ import { useConnectorCatalog } from "./connectors/useConnectorCatalog";
  */
 export function ConnectorsPage({ snapshot, actions }: PageProps) {
   const orgId = activeOrgId(snapshot);
-  const { catalog, busySlug, connectError, connect, retry } = useConnectorCatalog(orgId, actions);
+  const { catalog, busySlug, busyAction, connectError, connect, disconnect, retry } = useConnectorCatalog(orgId, actions);
 
   const accounts = useMemo(
     () => snapshot.connectorAccounts.filter((account) => account.orgId === orgId),
@@ -58,7 +58,16 @@ export function ConnectorsPage({ snapshot, actions }: PageProps) {
         </div>
       )}
 
-      <ConnectedList accounts={accounts} grants={grants} agents={agents} logoBySlug={logoBySlug} />
+      <ConnectedList
+        accounts={accounts}
+        grants={grants}
+        agents={agents}
+        logoBySlug={logoBySlug}
+        busySlug={busySlug}
+        busyAction={busyAction}
+        onReconnect={connect}
+        onDelete={disconnect}
+      />
 
       {catalog.phase === "error" && (
         <div className="row" style={{ gap: 10, padding: "24px 0" }}>
diff --git a/src/renderer/src/pages/connectors/ConnectedList.tsx b/src/renderer/src/pages/connectors/ConnectedList.tsx
index a48e51c7..cf400b7b 100644
--- a/src/renderer/src/pages/connectors/ConnectedList.tsx
+++ b/src/renderer/src/pages/connectors/ConnectedList.tsx
@@ -1,4 +1,4 @@
-import { Pill } from "../../shared/ui";
+import { Button, IconButton, Pill } from "../../shared/ui";
 import type { AgentRecord, ConnectorAccountRecord, ConnectorGrantRecord } from "../../../../shared/domain";
 import { ToolkitTile } from "./ToolkitCatalog";
 
@@ -15,18 +15,27 @@ const STATUS_TONE: Record<string, "green" | "amber" | "red" | undefined> = {
 /**
  * The company's connected toolkits, each with the roster of agents the CEO
  * has granted access to. Grants are the CEO's call — made with its
- * grant_connector tool — so the roster here is read-only.
+ * grant_connector tool — so the roster here is read-only. Reconnect restarts
+ * the link flow for the toolkit; delete removes the connection entirely.
  */
 export function ConnectedList({
   accounts,
   grants,
   agents,
   logoBySlug,
+  busySlug,
+  busyAction,
+  onReconnect,
+  onDelete,
 }: {
   accounts: ConnectorAccountRecord[];
   grants: ConnectorGrantRecord[];
   agents: AgentRecord[];
   logoBySlug: Map<string, string | null>;
+  busySlug: string | null;
+  busyAction: "connect" | "disconnect" | null;
+  onReconnect: (toolkitSlug: string) => void;
+  onDelete: (toolkitSlug: string) => void;
 }) {
   if (accounts.length === 0) return null;
   const agentNames = new Map(agents.map((agent) => [agent.id, agent.name]));
@@ -39,6 +48,7 @@ export function ConnectedList({
             .filter((grant) => grant.toolkitSlug === account.toolkitSlug)
             .map((grant) => agentNames.get(grant.agentId))
             .filter((name): name is string => Boolean(name));
+          const busy = busySlug !== null;
           return (
             <div key={account.id} style={{ border: "1px solid var(--border)", borderRadius: 12, padding: 14, background: "var(--panel)" }}>
               <div className="row" style={{ gap: 10 }}>
@@ -50,6 +60,17 @@ export function ConnectedList({
                 />
                 <span style={{ fontWeight: 600, fontSize: 13.5 }}>{account.toolkitName}</span>
                 <Pill tone={STATUS_TONE[account.status]} dot>{account.status.charAt(0) + account.status.slice(1).toLowerCase()}</Pill>
+                <span className="row" style={{ gap: 6, marginLeft: "auto" }}>
+                  <Button size="small" disabled={busy} onClick={() => onReconnect(account.toolkitSlug)}>
+                    {busySlug === account.toolkitSlug && busyAction === "connect" ? "Opening…" : "Reconnect"}
+                  </Button>
+                  <IconButton
+                    icon="x"
+                    label={`Delete ${account.toolkitName} connection`}
+                    disabled={busy}
+                    onClick={() => onDelete(account.toolkitSlug)}
+                  />
+                </span>
               </div>
               {holders.length > 0 && (
                 <div className="row" style={{ gap: 6, marginTop: 12, flexWrap: "wrap" }}>
diff --git a/src/renderer/src/pages/connectors/ToolkitCatalog.tsx b/src/renderer/src/pages/connectors/ToolkitCatalog.tsx
index 5354a5aa..e913d154 100644
--- a/src/renderer/src/pages/connectors/ToolkitCatalog.tsx
+++ b/src/renderer/src/pages/connectors/ToolkitCatalog.tsx
@@ -53,7 +53,7 @@ export function ToolkitCatalog({
   entries: ConnectorCatalogEntry[];
   connectedSlugs: Set<string>;
   busySlug: string | null;
-  onConnect: (entry: ConnectorCatalogEntry) => void;
+  onConnect: (toolkitSlug: string) => void;
 }) {
   const [query, setQuery] = useState("");
   const filtered = useMemo(() => {
@@ -100,7 +100,7 @@ export function ToolkitCatalog({
               {connected ? (
                 <Pill tone="green" dot>Connected</Pill>
               ) : (
-                <Button size="small" disabled={busySlug !== null} onClick={() => onConnect(entry)}>
+                <Button size="small" disabled={busySlug !== null} onClick={() => onConnect(entry.slug)}>
                   {busySlug === entry.slug ? "Opening…" : "Connect"}
                 </Button>
               )}
diff --git a/src/renderer/src/pages/connectors/useConnectorCatalog.ts b/src/renderer/src/pages/connectors/useConnectorCatalog.ts
index 63c70169..827543db 100644
--- a/src/renderer/src/pages/connectors/useConnectorCatalog.ts
+++ b/src/renderer/src/pages/connectors/useConnectorCatalog.ts
@@ -20,12 +20,14 @@ const CONNECT_POLL_ATTEMPTS = 15;
 export function useConnectorCatalog(orgId: string, actions: SnapshotActions): {
   catalog: CatalogState;
   busySlug: string | null;
+  busyAction: "connect" | "disconnect" | null;
   connectError: string | null;
-  connect: (entry: ConnectorCatalogEntry) => void;
+  connect: (toolkitSlug: string) => void;
+  disconnect: (toolkitSlug: string) => void;
   retry: () => void;
 } {
   const [catalogSlot, setCatalogSlot] = useState<CatalogSlot>(null);
-  const [busySlug, setBusySlug] = useState<string | null>(null);
+  const [busy, setBusy] = useState<{ slug: string; action: "connect" | "disconnect" } | null>(null);
   const [connectError, setConnectError] = useState<string | null>(null);
   const pollTimer = useRef<ReturnType<typeof setTimeout> | null>(null);
   const catalog: CatalogState = catalogSlot && catalogSlot.orgId === orgId ? catalogSlot.state : { phase: "loading" };
@@ -89,24 +91,40 @@ export function useConnectorCatalog(orgId: string, actions: SnapshotActions): {
     poll(0);
   }, [refreshAccounts, orgId]);
 
-  const connect = useCallback((entry: ConnectorCatalogEntry) => {
-    setBusySlug(entry.slug);
+  const connect = useCallback((toolkitSlug: string) => {
+    setBusy({ slug: toolkitSlug, action: "connect" });
     setConnectError(null);
     void window.agentCompany
-      .connectComposioToolkit({ orgId, toolkitSlug: entry.slug })
+      .connectComposioToolkit({ orgId, toolkitSlug })
       .then(async (result) => {
         if (!result.ok) {
           setConnectError(result.error.message);
           return;
         }
-        pollUntilActive(entry.slug);
+        pollUntilActive(toolkitSlug);
         if (result.data.redirectUrl) {
           const opened = await window.agentCompany.openExternalUrl(result.data.redirectUrl);
           if (!opened.ok) setConnectError(opened.error.message);
         }
       })
-      .finally(() => setBusySlug(null));
+      .finally(() => setBusy(null));
   }, [orgId, pollUntilActive]);
 
-  return { catalog, busySlug, connectError, connect, retry: load };
+  const disconnect = useCallback((toolkitSlug: string) => {
+    setBusy({ slug: toolkitSlug, action: "disconnect" });
+    setConnectError(null);
+    void actions.run(() => window.agentCompany.disconnectComposioToolkit({ orgId, toolkitSlug }))
+      .catch((error: unknown) => setConnectError(error instanceof Error ? error.message : String(error)))
+      .finally(() => setBusy(null));
+  }, [actions, orgId]);
+
+  return {
+    catalog,
+    busySlug: busy?.slug ?? null,
+    busyAction: busy?.action ?? null,
+    connectError,
+    connect,
+    disconnect,
+    retry: load,
+  };
 }
diff --git a/src/shared/commands/composio.ts b/src/shared/commands/composio.ts
index ea668edc..f70e07b0 100644
--- a/src/shared/commands/composio.ts
+++ b/src/shared/commands/composio.ts
@@ -16,6 +16,11 @@ export interface ConnectComposioToolkitResult {
   redirectUrl: string | null;
 }
 
+export interface DisconnectComposioToolkitInput {
+  orgId: string;
+  toolkitSlug: string;
+}
+
 export interface RefreshComposioAccountsInput {
   orgId: string;
 }
diff --git a/src/shared/desktop-api.ts b/src/shared/desktop-api.ts
index 72bca067..7917829d 100644
--- a/src/shared/desktop-api.ts
+++ b/src/shared/desktop-api.ts
@@ -66,6 +66,7 @@ import type {
   ConnectComposioToolkitInput,
   ConnectComposioToolkitResult,
   ConnectorCatalogEntry,
+  DisconnectComposioToolkitInput,
   RefreshComposioAccountsInput,
   SearchInput,
   SendMessageInput,
@@ -178,6 +179,7 @@ export interface DesktopApi {
   setRetentionFreezeState(input: SetRetentionFreezeStateInput): Promise<DesktopResult<AppSnapshot>>;
   listConnectorCatalog(): Promise<DesktopResult<ConnectorCatalogEntry[]>>;
   connectComposioToolkit(input: ConnectComposioToolkitInput): Promise<DesktopResult<ConnectComposioToolkitResult>>;
+  disconnectComposioToolkit(input: DisconnectComposioToolkitInput): Promise<DesktopResult<AppSnapshot>>;
   refreshComposioAccounts(input: RefreshComposioAccountsInput): Promise<DesktopResult<AppSnapshot>>;
   search(input: SearchInput): Promise<DesktopResult<SearchResultRecord[]>>;
   subscribe(callback: (event: RendererEvent) => void): () => void;
diff --git a/src/shared/ipc.ts b/src/shared/ipc.ts
index b5aae24c..c12c067e 100644
--- a/src/shared/ipc.ts
+++ b/src/shared/ipc.ts
@@ -76,6 +76,7 @@ export const IPC_CHANNELS = {
   deleteSprint: "agentcompany:delete-sprint",
   listConnectorCatalog: "agentcompany:list-connector-catalog",
   connectComposioToolkit: "agentcompany:connect-composio-toolkit",
+  disconnectComposioToolkit: "agentcompany:disconnect-composio-toolkit",
   refreshComposioAccounts: "agentcompany:refresh-composio-accounts",
   search: "agentcompany:search",
   rendererEvent: "agentcompany:renderer-event",