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feat: slim tool responses (#141)

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Reduce token usage by slimming tool responses. Instead of returning full Gitea SDK objects (with nested user/repo objects, avatars, permissions, etc.), each operation now has a colocated `slim.go` that extracts only the fields an LLM needs. List endpoints return even fewer fields than single-item endpoints.

Other changes:
- Add `params` helpers to DRY parameter extraction across 40+ handlers
- Remove `{"Result": ...}` wrapper for flatter responses
- Reduce default pageSize from 100 to 30

Fixes: https://gitea.com/gitea/gitea-mcp/issues/128

*Created by Claude on behalf of @silverwind*

Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/141
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: silverwind <me@silverwind.io>
Co-committed-by: silverwind <me@silverwind.io>
This commit is contained in:
silverwind
2026-03-05 05:56:23 +00:00
committed by silverwind
parent 9ce5604e4c
commit c3db4fb65f
35 changed files with 2274 additions and 1156 deletions
Download Patch File Download Diff File Expand all files Collapse all files

59
operation/repo/branch.go
View File

@@ -2,11 +2,11 @@ package repo
import (
"context"
"errors"
"fmt"
"gitea.com/gitea/gitea-mcp/pkg/gitea"
"gitea.com/gitea/gitea-mcp/pkg/log"
"gitea.com/gitea/gitea-mcp/pkg/params"
"gitea.com/gitea/gitea-mcp/pkg/to"
gitea_sdk "code.gitea.io/sdk/gitea"
@@ -63,19 +63,20 @@ func init() {
func CreateBranchFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called CreateBranchFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return to.ErrorResult(errors.New("owner is required"))
args := req.GetArguments()
owner, err := params.GetString(args, "owner")
if err != nil {
return to.ErrorResult(err)
}
repo, ok := req.GetArguments()["repo"].(string)
if !ok {
return to.ErrorResult(errors.New("repo is required"))
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
branch, ok := req.GetArguments()["branch"].(string)
if !ok {
return to.ErrorResult(errors.New("branch is required"))
branch, err := params.GetString(args, "branch")
if err != nil {
return to.ErrorResult(err)
}
oldBranch, _ := req.GetArguments()["old_branch"].(string)
oldBranch, _ := args["old_branch"].(string)
client, err := gitea.ClientFromContext(ctx)
if err != nil {
@@ -94,17 +95,18 @@ func CreateBranchFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTool
func DeleteBranchFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called DeleteBranchFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return to.ErrorResult(errors.New("owner is required"))
args := req.GetArguments()
owner, err := params.GetString(args, "owner")
if err != nil {
return to.ErrorResult(err)
}
repo, ok := req.GetArguments()["repo"].(string)
if !ok {
return to.ErrorResult(errors.New("repo is required"))
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
branch, ok := req.GetArguments()["branch"].(string)
if !ok {
return to.ErrorResult(errors.New("branch is required"))
branch, err := params.GetString(args, "branch")
if err != nil {
return to.ErrorResult(err)
}
client, err := gitea.ClientFromContext(ctx)
if err != nil {
@@ -120,18 +122,19 @@ func DeleteBranchFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTool
func ListBranchesFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called ListBranchesFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return to.ErrorResult(errors.New("owner is required"))
args := req.GetArguments()
owner, err := params.GetString(args, "owner")
if err != nil {
return to.ErrorResult(err)
}
repo, ok := req.GetArguments()["repo"].(string)
if !ok {
return to.ErrorResult(errors.New("repo is required"))
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
opt := gitea_sdk.ListRepoBranchesOptions{
ListOptions: gitea_sdk.ListOptions{
Page: 1,
PageSize: 100,
PageSize: 30,
},
}
client, err := gitea.ClientFromContext(ctx)
@@ -143,5 +146,5 @@ func ListBranchesFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTool
return to.ErrorResult(fmt.Errorf("list branches error: %v", err))
}
return to.TextResult(branches)
return to.TextResult(slimBranches(branches))
}