Add Cursor access-review driver

Fetch team members from the Cursor Admin API (GET /teams/members)
and map them to access records. The endpoint is not paginated, so
a single request returns the whole team; removed members are
returned as inactive rather than dropped, and team owners are
flagged as admins.

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/accessreview/drivers/cursor.go

@@ -0,0 +1,128 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package drivers
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+
+	"go.probo.inc/probo/pkg/coredata"
+)
+
+type CursorDriver struct {
+	httpClient *http.Client
+}
+
+var _ Driver = (*CursorDriver)(nil)
+
+// cursorMembersEndpoint lists every member of the team the admin API key
+// belongs to. Cursor's Admin API authenticates with the key as the HTTP
+// Basic auth username (handled by the connection transport) and exposes
+// no pagination on this endpoint, so a single GET returns the full team.
+const cursorMembersEndpoint = "https://api.cursor.com/teams/members"
+
+type cursorMembersResponse struct {
+	TeamMembers []struct {
+		// ID is the stable Cursor member identifier. The Admin API
+		// returns it as a JSON string (despite the docs labelling it a
+		// number), so it is decoded as a string and used verbatim.
+		ID        string `json:"id"`
+		Email     string `json:"email"`
+		Name      string `json:"name"`
+		Role      string `json:"role"`
+		IsRemoved bool   `json:"isRemoved"`
+	} `json:"teamMembers"`
+}
+
+func NewCursorDriver(httpClient *http.Client) *CursorDriver {
+	return &CursorDriver{
+		httpClient: httpClient,
+	}
+}
+
+func (d *CursorDriver) ListAccounts(ctx context.Context) ([]AccountRecord, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, cursorMembersEndpoint, nil)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create cursor members request: %w", err)
+	}
+
+	req.Header.Set("Accept", "application/json")
+
+	httpResp, err := d.httpClient.Do(req)
+	if err != nil {
+		return nil, fmt.Errorf("cannot execute cursor members request: %w", err)
+	}
+
+	defer func() {
+		_ = httpResp.Body.Close()
+	}()
+
+	if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
+		return nil, fmt.Errorf("cannot fetch cursor members: unexpected status %d", httpResp.StatusCode)
+	}
+
+	var resp cursorMembersResponse
+	if err := json.NewDecoder(httpResp.Body).Decode(&resp); err != nil {
+		return nil, fmt.Errorf("cannot decode cursor members response: %w", err)
+	}
+
+	records := make([]AccountRecord, 0, len(resp.TeamMembers))
+	for _, m := range resp.TeamMembers {
+		if m.Email == "" {
+			continue
+		}
+
+		// isRemoved is Cursor's only account-status signal, so Active is
+		// always populated (never nil): a removed member is reported
+		// inactive rather than dropped, per the AccountRecord contract.
+		active := !m.IsRemoved
+
+		records = append(records, AccountRecord{
+			Email:       m.Email,
+			FullName:    m.Name,
+			Role:        cursorRole(m.Role),
+			Active:      &active,
+			IsAdmin:     cursorIsAdmin(m.Role),
+			MFAStatus:   coredata.MFAStatusUnknown,
+			AuthMethod:  coredata.AccessEntryAuthMethodUnknown,
+			AccountType: coredata.AccessEntryAccountTypeUser,
+			ExternalID:  m.ID,
+		})
+	}
+
+	return records, nil
+}
+
+// cursorIsAdmin reports whether a Cursor team role carries team
+// administration rights. Both paid ("owner") and free-tier
+// ("free-owner") owners administer the team.
+func cursorIsAdmin(role string) bool {
+	return role == "owner" || role == "free-owner"
+}
+
+func cursorRole(role string) string {
+	switch role {
+	case "owner", "free-owner":
+		return "Owner"
+	case "member":
+		return "Member"
+	case "removed":
+		return "Removed"
+	default:
+		return role
+	}
+}

pkg/accessreview/drivers/cursor_test.go

@@ -0,0 +1,89 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package drivers
+
+import (
+	"context"
+	"os"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestCursorDriver(t *testing.T) {
+	t.Parallel()
+
+	rec := newRecorder(t, "testdata/cursor", "CURSOR_ADMIN_TOKEN")
+	// Cursor authenticates via HTTP Basic auth (the admin key as the
+	// username). The cassette matcher ignores Authorization, so replay
+	// needs no auth; the value matters only when re-recording.
+	client := newVCRClient(rec, basicAuth(os.Getenv("CURSOR_ADMIN_TOKEN")))
+
+	driver := NewCursorDriver(client)
+	records, err := driver.ListAccounts(context.Background())
+	require.NoError(t, err)
+	require.Len(t, records, 3)
+
+	member := records[0]
+	assert.Equal(t, "jane@example.com", member.Email)
+	assert.Equal(t, "Jane Doe", member.FullName)
+	assert.Equal(t, "Member", member.Role)
+	assert.False(t, member.IsAdmin)
+	// The Cursor Admin API returns the member id as a string; it is used
+	// verbatim as the stable ExternalID.
+	assert.Equal(t, "10000001", member.ExternalID)
+	require.NotNil(t, member.Active)
+	assert.True(t, *member.Active)
+
+	owner := records[1]
+	assert.Equal(t, "Owner", owner.Role)
+	assert.True(t, owner.IsAdmin)
+	require.NotNil(t, owner.Active)
+	assert.True(t, *owner.Active)
+
+	// A removed member (role "removed", isRemoved true) is still returned,
+	// flagged inactive rather than dropped, per the AccountRecord contract.
+	removed := records[2]
+	assert.Equal(t, "Removed", removed.Role)
+	assert.False(t, removed.IsAdmin)
+	require.NotNil(t, removed.Active)
+	assert.False(t, *removed.Active)
+}
+
+func TestCursorRole(t *testing.T) {
+	t.Parallel()
+
+	cases := []struct {
+		in      string
+		want    string
+		isAdmin bool
+	}{
+		{"owner", "Owner", true},
+		{"free-owner", "Owner", true},
+		{"member", "Member", false},
+		{"removed", "Removed", false},
+		{"unknown_future_role", "unknown_future_role", false},
+	}
+
+	for _, c := range cases {
+		t.Run(c.in, func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, c.want, cursorRole(c.in))
+			assert.Equal(t, c.isAdmin, cursorIsAdmin(c.in))
+		})
+	}
+}

pkg/accessreview/drivers/testdata/cursor.yaml

@@ -0,0 +1,32 @@
+---
+version: 2
+interactions:
+    - id: 0
+      request:
+        proto: HTTP/1.1
+        proto_major: 1
+        proto_minor: 1
+        content_length: 0
+        host: api.cursor.com
+        headers:
+            Accept:
+                - application/json
+        url: https://api.cursor.com/teams/members
+        method: GET
+      response:
+        proto: HTTP/2.0
+        proto_major: 2
+        proto_minor: 0
+        content_length: -1
+        uncompressed: true
+        body: '{"teamMembers":[{"id":"10000001","name":"Jane Doe","email":"jane@example.com","role":"member","isRemoved":false},{"id":"10000002","name":"Alex Martin","email":"alex@example.com","role":"owner","isRemoved":false},{"id":"10000003","name":"John Smith","email":"john@example.com","role":"removed","isRemoved":true}]}'
+        headers:
+            Content-Type:
+                - application/json
+            Date:
+                - Thu, 28 May 2026 12:55:02 GMT
+            Server:
+                - cloudflare
+        status: 200 OK
+        code: 200
+        duration: 142.5ms

pkg/accessreview/drivers/vcr_test.go

@@ -15,6 +15,7 @@
 package drivers
 
 import (
+	"encoding/base64"
 	"net/http"
 	"os"
 	"testing"
@@ -100,6 +101,17 @@ func bearerAuth(token string) string {
 	return "Bearer " + token
 }
 
+// basicAuth returns the HTTP Basic auth header value for a username with
+// an empty password ("Basic base64(<username>:)"), or "" if the username
+// is empty. Cursor presents its admin API key as the Basic auth username.
+func basicAuth(username string) string {
+	if username == "" {
+		return ""
+	}
+
+	return "Basic " + base64.StdEncoding.EncodeToString([]byte(username+":"))
+}
+
 // newVCRClient creates an *http.Client backed by the recorder's transport,
 // with an optional Authorization header injected into requests (for recording
 // mode). The authValue should be the complete header value, e.g.