feat(tools): add repo_create, repo_update, repo_mirror_push (#12, #13, #16)

repo_create: POST /user/repos or /orgs/{org}/repos, is_org flag routes
repo_update: PATCH /repos/{owner}/{repo}, confirm required when private=false
repo_mirror_push: add/list/delete push mirrors, password never returned

cmd/gitea-mcp/main.go

@@ -60,6 +60,9 @@ func main() {
 	reg.Register(tools.NewIssueComment(giteaClient, ownerAllow))
 	reg.Register(tools.NewCreateProjectFromTemplate(giteaClient, ownerAllow, "mathias", "template-go-web"))
 	reg.Register(tools.NewTagCreate(giteaClient, ownerAllow))
+	reg.Register(tools.NewRepoCreate(giteaClient, ownerAllow))
+	reg.Register(tools.NewRepoUpdate(giteaClient, ownerAllow))
+	reg.Register(tools.NewRepoMirrorPush(giteaClient, ownerAllow))
 
 	mcpSrv := mcp.NewServer(mcp.ServerOptions{
 		Registry: reg,

internal/gitea/mirrors.go

@@ -0,0 +1,71 @@
+package gitea
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+)
+
+type PushMirror struct {
+	ID            int    `json:"id"`
+	RemoteName    string `json:"remote_name"`
+	RemoteAddress string `json:"remote_address"`
+	Interval      string `json:"interval"`
+	SyncOnCommit  bool   `json:"sync_on_commit"`
+}
+
+type AddPushMirrorArgs struct {
+	RemoteAddress  string `json:"remote_address"`
+	RemoteUsername string `json:"remote_username,omitempty"`
+	RemotePassword string `json:"remote_password,omitempty"`
+	Interval       string `json:"interval,omitempty"`
+	SyncOnCommit   bool   `json:"sync_on_commit,omitempty"`
+}
+
+func (c *Client) AddPushMirror(ctx context.Context, owner, repo string, args AddPushMirrorArgs) (*PushMirror, error) {
+	path := fmt.Sprintf("/api/v1/repos/%s/%s/push_mirrors", owner, repo)
+	body, err := json.Marshal(args)
+	if err != nil {
+		return nil, err
+	}
+	resp, status, err := c.PostJSON(ctx, path, body)
+	if err != nil {
+		return nil, err
+	}
+	if err := MapStatus(status, resp); err != nil {
+		return nil, err
+	}
+	var m PushMirror
+	if err := json.Unmarshal(resp, &m); err != nil {
+		return nil, err
+	}
+	return &m, nil
+}
+
+func (c *Client) ListPushMirrors(ctx context.Context, owner, repo string) ([]PushMirror, error) {
+	path := fmt.Sprintf("/api/v1/repos/%s/%s/push_mirrors", owner, repo)
+	resp, status, err := c.GetJSON(ctx, path)
+	if err != nil {
+		return nil, err
+	}
+	if err := MapStatus(status, resp); err != nil {
+		return nil, err
+	}
+	var mirrors []PushMirror
+	if err := json.Unmarshal(resp, &mirrors); err != nil {
+		return nil, err
+	}
+	return mirrors, nil
+}
+
+func (c *Client) DeletePushMirror(ctx context.Context, owner, repo, mirrorName string) error {
+	path := fmt.Sprintf("/api/v1/repos/%s/%s/push_mirrors/%s", owner, repo, mirrorName)
+	resp, status, err := c.DeleteJSON(ctx, path)
+	if err != nil {
+		return err
+	}
+	if status == 204 {
+		return nil
+	}
+	return MapStatus(status, resp)
+}

internal/gitea/mirrors_test.go

@@ -0,0 +1,64 @@
+package gitea_test
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAddPushMirror(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"id":1,"remote_name":"mirror-github","remote_address":"https://github.com/mathias/infra.git","interval":"8h0m0s","sync_on_commit":true}`))
+	}))
+	defer srv.Close()
+
+	c := gitea.NewClient(srv.URL, "tok")
+	m, err := c.AddPushMirror(context.Background(), "mathias", "infra", gitea.AddPushMirrorArgs{
+		RemoteAddress:  "https://github.com/mathias/infra.git",
+		RemoteUsername: "mathias",
+		RemotePassword: "secret",
+		Interval:       "8h0m0s",
+		SyncOnCommit:   true,
+	})
+	require.NoError(t, err)
+	assert.Equal(t, "mirror-github", m.RemoteName)
+	assert.Equal(t, "https://github.com/mathias/infra.git", m.RemoteAddress)
+}
+
+func TestListPushMirrors(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodGet, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[{"id":1,"remote_name":"mirror-github","remote_address":"https://github.com/mathias/infra.git","interval":"8h0m0s","sync_on_commit":true}]`))
+	}))
+	defer srv.Close()
+
+	c := gitea.NewClient(srv.URL, "tok")
+	mirrors, err := c.ListPushMirrors(context.Background(), "mathias", "infra")
+	require.NoError(t, err)
+	require.Len(t, mirrors, 1)
+	assert.Equal(t, "mirror-github", mirrors[0].RemoteName)
+}
+
+func TestDeletePushMirror(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodDelete, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors/mirror-github", r.URL.Path)
+		w.WriteHeader(http.StatusNoContent)
+	}))
+	defer srv.Close()
+
+	c := gitea.NewClient(srv.URL, "tok")
+	err := c.DeletePushMirror(context.Background(), "mathias", "infra", "mirror-github")
+	require.NoError(t, err)
+}

internal/gitea/repos.go

@@ -71,6 +71,70 @@ func (c *Client) SearchRepos(ctx context.Context, q, owner string, page, limit i
 	return env.Data, nil
 }
 
+type CreateRepoArgs struct {
+	Name          string `json:"name"`
+	Description   string `json:"description,omitempty"`
+	Private       bool   `json:"private,omitempty"`
+	AutoInit      bool   `json:"auto_init,omitempty"`
+	DefaultBranch string `json:"default_branch,omitempty"`
+	// Org, when non-empty, creates the repo under the named organisation.
+	// Uses POST /api/v1/orgs/{org}/repos instead of /api/v1/user/repos.
+	Org string `json:"-"`
+}
+
+func (c *Client) CreateRepo(ctx context.Context, args CreateRepoArgs) (*Repo, error) {
+	var path string
+	if args.Org != "" {
+		path = fmt.Sprintf("/api/v1/orgs/%s/repos", args.Org)
+	} else {
+		path = "/api/v1/user/repos"
+	}
+	body, err := json.Marshal(args)
+	if err != nil {
+		return nil, err
+	}
+	resp, status, err := c.PostJSON(ctx, path, body)
+	if err != nil {
+		return nil, err
+	}
+	if err := MapStatus(status, resp); err != nil {
+		return nil, err
+	}
+	var r Repo
+	if err := json.Unmarshal(resp, &r); err != nil {
+		return nil, err
+	}
+	return &r, nil
+}
+
+// UpdateRepoArgs uses pointers so omitempty can distinguish "not set" from false/zero.
+type UpdateRepoArgs struct {
+	Description   *string `json:"description,omitempty"`
+	Private       *bool   `json:"private,omitempty"`
+	Website       *string `json:"website,omitempty"`
+	DefaultBranch *string `json:"default_branch,omitempty"`
+}
+
+func (c *Client) UpdateRepo(ctx context.Context, owner, name string, args UpdateRepoArgs) (*Repo, error) {
+	path := fmt.Sprintf("/api/v1/repos/%s/%s", owner, name)
+	body, err := json.Marshal(args)
+	if err != nil {
+		return nil, err
+	}
+	resp, status, err := c.PatchJSON(ctx, path, body)
+	if err != nil {
+		return nil, err
+	}
+	if err := MapStatus(status, resp); err != nil {
+		return nil, err
+	}
+	var r Repo
+	if err := json.Unmarshal(resp, &r); err != nil {
+		return nil, err
+	}
+	return &r, nil
+}
+
 func (c *Client) GetRepo(ctx context.Context, owner, name string) (*Repo, error) {
 	path := fmt.Sprintf("/api/v1/repos/%s/%s", owner, name)
 	body, status, err := c.GetJSON(ctx, path)

internal/gitea/repos_test.go

@@ -47,6 +47,63 @@ func TestListRepos(t *testing.T) {
 	assert.Equal(t, "main", repos[0].DefaultBranch)
 }
 
+func TestCreateRepo_User(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+		assert.Equal(t, "/api/v1/user/repos", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main","private":true,"clone_url":"https://gitea.example.com/mathias/infra.git","html_url":"https://gitea.example.com/mathias/infra"}`))
+	}))
+	defer srv.Close()
+
+	c := gitea.NewClient(srv.URL, "tok")
+	r, err := c.CreateRepo(context.Background(), gitea.CreateRepoArgs{
+		Name:    "infra",
+		Private: true,
+	})
+	require.NoError(t, err)
+	assert.Equal(t, "mathias/infra", r.FullName)
+	assert.Equal(t, "main", r.DefaultBranch)
+}
+
+func TestCreateRepo_Org(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+		assert.Equal(t, "/api/v1/orgs/hyperguild/repos", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"hyperguild/infra","default_branch":"main","private":false,"clone_url":"https://gitea.example.com/hyperguild/infra.git","html_url":"https://gitea.example.com/hyperguild/infra"}`))
+	}))
+	defer srv.Close()
+
+	c := gitea.NewClient(srv.URL, "tok")
+	r, err := c.CreateRepo(context.Background(), gitea.CreateRepoArgs{
+		Name:  "infra",
+		Org:   "hyperguild",
+	})
+	require.NoError(t, err)
+	assert.Equal(t, "hyperguild/infra", r.FullName)
+}
+
+func TestUpdateRepo(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPatch, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main","description":"updated","private":false,"clone_url":"https://gitea.example.com/mathias/infra.git","html_url":"https://gitea.example.com/mathias/infra"}`))
+	}))
+	defer srv.Close()
+
+	desc := "updated"
+	c := gitea.NewClient(srv.URL, "tok")
+	r, err := c.UpdateRepo(context.Background(), "mathias", "infra", gitea.UpdateRepoArgs{
+		Description: &desc,
+	})
+	require.NoError(t, err)
+	assert.Equal(t, "updated", r.Description)
+}
+
 func TestDefaultBranchCachesAcrossCalls(t *testing.T) {
 	var hits int32
 	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {

internal/tools/repo_create.go

@@ -0,0 +1,74 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
+)
+
+type RepoCreate struct {
+	c *gitea.Client
+	a *allowlist.Allowlist
+}
+
+func NewRepoCreate(c *gitea.Client, a *allowlist.Allowlist) *RepoCreate {
+	return &RepoCreate{c: c, a: a}
+}
+
+func (t *RepoCreate) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "repo_create",
+		Description: "Create a repository for the authenticated user or an organisation.",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string","description":"Username or org name (used for allowlist check)."},
+				"name":{"type":"string","description":"Repository name."},
+				"description":{"type":"string"},
+				"private":{"type":"boolean","description":"Create as private. Default false."},
+				"auto_init":{"type":"boolean","description":"Initialise with README."},
+				"default_branch":{"type":"string","description":"Default branch name. Default 'main'."},
+				"is_org":{"type":"boolean","description":"When true, create under the organisation named in 'owner'."}
+			},
+			"required":["owner","name"]
+		}`),
+	}
+}
+
+type repoCreateArgs struct {
+	Owner         string `json:"owner"`
+	Name          string `json:"name"`
+	Description   string `json:"description"`
+	Private       bool   `json:"private"`
+	AutoInit      bool   `json:"auto_init"`
+	DefaultBranch string `json:"default_branch"`
+	IsOrg         bool   `json:"is_org"`
+}
+
+func (t *RepoCreate) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args repoCreateArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	createArgs := gitea.CreateRepoArgs{
+		Name:          args.Name,
+		Description:   args.Description,
+		Private:       args.Private,
+		AutoInit:      args.AutoInit,
+		DefaultBranch: args.DefaultBranch,
+	}
+	if args.IsOrg {
+		createArgs.Org = args.Owner
+	}
+	r, err := t.c.CreateRepo(ctx, createArgs)
+	if err != nil {
+		return nil, err
+	}
+	return textOK(r)
+}

internal/tools/repo_create_test.go

@@ -0,0 +1,53 @@
+package tools_test
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRepoCreateTool_User(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+		assert.Equal(t, "/api/v1/user/repos", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main","private":true,"clone_url":"https://gitea.example.com/mathias/infra.git","html_url":"https://gitea.example.com/mathias/infra"}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoCreate(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","private":true}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), `"full_name":"mathias/infra"`)
+	assert.Contains(t, string(out), `"clone_url"`)
+}
+
+func TestRepoCreateTool_Org(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, "/api/v1/orgs/hyperguild/repos", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"hyperguild/infra","default_branch":"main","private":false,"clone_url":"https://gitea.example.com/hyperguild/infra.git","html_url":"https://gitea.example.com/hyperguild/infra"}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoCreate(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"hyperguild"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"hyperguild","name":"infra","is_org":true}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), `"full_name":"hyperguild/infra"`)
+}
+
+func TestRepoCreateAllowlistRejects(t *testing.T) {
+	tool := tools.NewRepoCreate(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"x"}`))
+	require.Error(t, err)
+}

internal/tools/repo_mirror_push.go

@@ -0,0 +1,117 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
+)
+
+type RepoMirrorPush struct {
+	c *gitea.Client
+	a *allowlist.Allowlist
+}
+
+func NewRepoMirrorPush(c *gitea.Client, a *allowlist.Allowlist) *RepoMirrorPush {
+	return &RepoMirrorPush{c: c, a: a}
+}
+
+func (t *RepoMirrorPush) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "repo_mirror_push",
+		Description: "Manage push mirrors for a repository: add, list, or delete.",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string"},
+				"name":{"type":"string"},
+				"action":{"type":"string","enum":["add","list","delete"]},
+				"remote_address":{"type":"string","description":"Mirror target URL (required for add)."},
+				"remote_username":{"type":"string"},
+				"remote_password":{"type":"string","description":"Never logged or returned."},
+				"interval":{"type":"string","description":"Sync interval, e.g. '8h0m0s'."},
+				"sync_on_commit":{"type":"boolean"},
+				"mirror_name":{"type":"string","description":"Remote name to delete (required for delete)."}
+			},
+			"required":["owner","name","action"]
+		}`),
+	}
+}
+
+type repoMirrorPushArgs struct {
+	Owner          string `json:"owner"`
+	Name           string `json:"name"`
+	Action         string `json:"action"`
+	RemoteAddress  string `json:"remote_address"`
+	RemoteUsername string `json:"remote_username"`
+	RemotePassword string `json:"remote_password"`
+	Interval       string `json:"interval"`
+	SyncOnCommit   bool   `json:"sync_on_commit"`
+	MirrorName     string `json:"mirror_name"`
+}
+
+// safeMirror omits remote_password so it is never returned to the caller.
+type safeMirror struct {
+	ID            int    `json:"id"`
+	RemoteName    string `json:"remote_name"`
+	RemoteAddress string `json:"remote_address"`
+	Interval      string `json:"interval"`
+	SyncOnCommit  bool   `json:"sync_on_commit"`
+}
+
+func toSafeMirror(m *gitea.PushMirror) safeMirror {
+	return safeMirror{
+		ID:            m.ID,
+		RemoteName:    m.RemoteName,
+		RemoteAddress: m.RemoteAddress,
+		Interval:      m.Interval,
+		SyncOnCommit:  m.SyncOnCommit,
+	}
+}
+
+func (t *RepoMirrorPush) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args repoMirrorPushArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	switch args.Action {
+	case "add":
+		m, err := t.c.AddPushMirror(ctx, args.Owner, args.Name, gitea.AddPushMirrorArgs{
+			RemoteAddress:  args.RemoteAddress,
+			RemoteUsername: args.RemoteUsername,
+			RemotePassword: args.RemotePassword,
+			Interval:       args.Interval,
+			SyncOnCommit:   args.SyncOnCommit,
+		})
+		if err != nil {
+			return nil, err
+		}
+		return textOK(toSafeMirror(m))
+	case "list":
+		mirrors, err := t.c.ListPushMirrors(ctx, args.Owner, args.Name)
+		if err != nil {
+			return nil, err
+		}
+		safe := make([]safeMirror, len(mirrors))
+		for i := range mirrors {
+			safe[i] = toSafeMirror(&mirrors[i])
+		}
+		return textOK(safe)
+	case "delete":
+		if args.MirrorName == "" {
+			return nil, fmt.Errorf("mirror_name is required for action=delete")
+		}
+		if err := t.c.DeletePushMirror(ctx, args.Owner, args.Name, args.MirrorName); err != nil {
+			return nil, err
+		}
+		return textOK(map[string]string{"status": "deleted", "mirror_name": args.MirrorName})
+	default:
+		return nil, fmt.Errorf("unknown action %q: must be add, list, or delete", args.Action)
+	}
+}

internal/tools/repo_mirror_push_test.go

@@ -0,0 +1,80 @@
+package tools_test
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRepoMirrorPushTool_Add(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPost, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		w.WriteHeader(http.StatusCreated)
+		_, _ = w.Write([]byte(`{"id":1,"remote_name":"mirror-github","remote_address":"https://github.com/mathias/infra.git","interval":"8h0m0s","sync_on_commit":true}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoMirrorPush(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{
+		"owner":"mathias","name":"infra","action":"add",
+		"remote_address":"https://github.com/mathias/infra.git",
+		"remote_username":"mathias","remote_password":"secret",
+		"interval":"8h0m0s","sync_on_commit":true
+	}`))
+	require.NoError(t, err)
+	// password must never appear in output
+	assert.NotContains(t, string(out), "secret")
+	assert.Contains(t, string(out), `"remote_name":"mirror-github"`)
+}
+
+func TestRepoMirrorPushTool_List(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodGet, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`[{"id":1,"remote_name":"mirror-github","remote_address":"https://github.com/mathias/infra.git","interval":"8h0m0s","sync_on_commit":true}]`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoMirrorPush(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","action":"list"}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), `"remote_name":"mirror-github"`)
+}
+
+func TestRepoMirrorPushTool_Delete(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodDelete, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra/push_mirrors/mirror-github", r.URL.Path)
+		w.WriteHeader(http.StatusNoContent)
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoMirrorPush(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","action":"delete","mirror_name":"mirror-github"}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), "deleted")
+}
+
+func TestRepoMirrorPushTool_DeleteRequiresMirrorName(t *testing.T) {
+	tool := tools.NewRepoMirrorPush(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","action":"delete"}`))
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "mirror_name")
+}
+
+func TestRepoMirrorPushTool_AllowlistRejects(t *testing.T) {
+	tool := tools.NewRepoMirrorPush(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"x","action":"list"}`))
+	require.Error(t, err)
+}

internal/tools/repo_update.go

@@ -0,0 +1,76 @@
+package tools
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/registry"
+)
+
+type RepoUpdate struct {
+	c *gitea.Client
+	a *allowlist.Allowlist
+}
+
+func NewRepoUpdate(c *gitea.Client, a *allowlist.Allowlist) *RepoUpdate {
+	return &RepoUpdate{c: c, a: a}
+}
+
+func (t *RepoUpdate) Descriptor() registry.ToolDescriptor {
+	return registry.ToolDescriptor{
+		Name:        "repo_update",
+		Description: "Update repository metadata (description, visibility, default branch, website).",
+		InputSchema: json.RawMessage(`{
+			"type":"object",
+			"properties":{
+				"owner":{"type":"string"},
+				"name":{"type":"string"},
+				"description":{"type":"string"},
+				"private":{"type":"boolean"},
+				"website":{"type":"string"},
+				"default_branch":{"type":"string"},
+				"confirm":{"type":"string","description":"Required when setting private=false. Must equal the repo name."}
+			},
+			"required":["owner","name"]
+		}`),
+	}
+}
+
+type repoUpdateArgs struct {
+	Owner         string  `json:"owner"`
+	Name          string  `json:"name"`
+	Description   *string `json:"description"`
+	Private       *bool   `json:"private"`
+	Website       *string `json:"website"`
+	DefaultBranch *string `json:"default_branch"`
+	Confirm       string  `json:"confirm"`
+}
+
+func (t *RepoUpdate) Call(ctx context.Context, raw json.RawMessage) (json.RawMessage, error) {
+	var args repoUpdateArgs
+	if err := parseArgs(raw, &args); err != nil {
+		return nil, err
+	}
+	if err := t.a.Check(args.Owner); err != nil {
+		return nil, err
+	}
+	// Making a repo public is a significant action — require explicit confirmation.
+	if args.Private != nil && !*args.Private {
+		if args.Confirm != args.Name {
+			return nil, fmt.Errorf("setting private=false makes the repo public: set confirm=%q to proceed", args.Name)
+		}
+	}
+	r, err := t.c.UpdateRepo(ctx, args.Owner, args.Name, gitea.UpdateRepoArgs{
+		Description:   args.Description,
+		Private:       args.Private,
+		Website:       args.Website,
+		DefaultBranch: args.DefaultBranch,
+	})
+	if err != nil {
+		return nil, err
+	}
+	return textOK(r)
+}

internal/tools/repo_update_test.go

@@ -0,0 +1,56 @@
+package tools_test
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/allowlist"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/gitea"
+	"gitea.d-ma.be/mathias/gitea-mcp/internal/tools"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestRepoUpdateTool(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		assert.Equal(t, http.MethodPatch, r.Method)
+		assert.Equal(t, "/api/v1/repos/mathias/infra", r.URL.Path)
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main","description":"updated","private":true,"clone_url":"https://gitea.example.com/mathias/infra.git","html_url":"https://gitea.example.com/mathias/infra"}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoUpdate(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","description":"updated"}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), `"description":"updated"`)
+}
+
+func TestRepoUpdateTool_MakePublicRequiresConfirm(t *testing.T) {
+	tool := tools.NewRepoUpdate(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","private":false}`))
+	require.Error(t, err)
+	assert.Contains(t, err.Error(), "confirm")
+}
+
+func TestRepoUpdateTool_MakePublicWithConfirm(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "application/json")
+		_, _ = w.Write([]byte(`{"name":"infra","full_name":"mathias/infra","default_branch":"main","private":false,"clone_url":"","html_url":""}`))
+	}))
+	defer srv.Close()
+
+	tool := tools.NewRepoUpdate(gitea.NewClient(srv.URL, "tok"), allowlist.New([]string{"mathias"}))
+	out, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"mathias","name":"infra","private":false,"confirm":"infra"}`))
+	require.NoError(t, err)
+	assert.Contains(t, string(out), `"full_name":"mathias/infra"`)
+}
+
+func TestRepoUpdateAllowlistRejects(t *testing.T) {
+	tool := tools.NewRepoUpdate(gitea.NewClient("http://unused", ""), allowlist.New([]string{"mathias"}))
+	_, err := tool.Call(context.Background(), json.RawMessage(`{"owner":"evil","name":"x"}`))
+	require.Error(t, err)
+}