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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

100
operation/repo/tag.go
View File

@@ -2,7 +2,6 @@ package repo
import (
"context"
"errors"
"fmt"
"gitea.com/gitea/gitea-mcp/pkg/gitea"
@@ -78,31 +77,23 @@ func init() {
})
}
// To avoid return too many tokens, we need to provide at least information as possible
// llm can call get tag to get more information
type ListTagResult struct {
ID string `json:"id"`
Name string `json:"name"`
Commit *gitea_sdk.CommitMeta `json:"commit"`
// message may be a long text, so we should not provide it here
}
func CreateTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called CreateTagFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return nil, 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 nil, errors.New("repo is required")
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
tagName, ok := req.GetArguments()["tag_name"].(string)
if !ok {
return nil, errors.New("tag_name is required")
tagName, err := params.GetString(args, "tag_name")
if err != nil {
return to.ErrorResult(err)
}
target, _ := req.GetArguments()["target"].(string)
message, _ := req.GetArguments()["message"].(string)
target, _ := args["target"].(string)
message, _ := args["message"].(string)
client, err := gitea.ClientFromContext(ctx)
if err != nil {
@@ -122,17 +113,18 @@ func CreateTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolRes
func DeleteTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called DeleteTagFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return nil, 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 nil, errors.New("repo is required")
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
tagName, ok := req.GetArguments()["tag_name"].(string)
if !ok {
return nil, errors.New("tag_name is required")
tagName, err := params.GetString(args, "tag_name")
if err != nil {
return to.ErrorResult(err)
}
client, err := gitea.ClientFromContext(ctx)
@@ -149,17 +141,18 @@ func DeleteTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolRes
func GetTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called GetTagFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return nil, 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 nil, errors.New("repo is required")
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
tagName, ok := req.GetArguments()["tag_name"].(string)
if !ok {
return nil, errors.New("tag_name is required")
tagName, err := params.GetString(args, "tag_name")
if err != nil {
return to.ErrorResult(err)
}
client, err := gitea.ClientFromContext(ctx)
@@ -171,21 +164,22 @@ func GetTagFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult
return nil, fmt.Errorf("get tag error: %v", err)
}
return to.TextResult(tag)
return to.TextResult(slimTag(tag))
}
func ListTagsFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called ListTagsFn")
owner, ok := req.GetArguments()["owner"].(string)
if !ok {
return nil, 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 nil, errors.New("repo is required")
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
page := params.GetOptionalInt(req.GetArguments(), "page", 1)
pageSize := params.GetOptionalInt(req.GetArguments(), "pageSize", 20)
page := params.GetOptionalInt(args, "page", 1)
pageSize := params.GetOptionalInt(args, "pageSize", 20)
client, err := gitea.ClientFromContext(ctx)
if err != nil {
@@ -201,13 +195,5 @@ func ListTagsFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResu
return nil, fmt.Errorf("list tags error: %v", err)
}
results := make([]ListTagResult, 0, len(tags))
for _, tag := range tags {
results = append(results, ListTagResult{
ID: tag.ID,
Name: tag.Name,
Commit: tag.Commit,
})
}
return to.TextResult(results)
return to.TextResult(slimTags(tags))
}