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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
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58
operation/repo/repo.go
View File

@@ -2,7 +2,6 @@ package repo
import (
"context"
"errors"
"fmt"
"gitea.com/gitea/gitea-mcp/pkg/gitea"
@@ -54,7 +53,7 @@ var (
ListMyReposToolName,
mcp.WithDescription("List my repositories"),
mcp.WithNumber("page", mcp.Required(), mcp.Description("Page number"), mcp.DefaultNumber(1), mcp.Min(1)),
mcp.WithNumber("pageSize", mcp.Required(), mcp.Description("Page size number"), mcp.DefaultNumber(100), mcp.Min(1)),
mcp.WithNumber("pageSize", mcp.Required(), mcp.Description("Page size number"), mcp.DefaultNumber(30), mcp.Min(1)),
)
)
@@ -108,20 +107,21 @@ func RegisterTool(s *server.MCPServer) {
func CreateRepoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called CreateRepoFn")
name, ok := req.GetArguments()["name"].(string)
if !ok {
return to.ErrorResult(errors.New("repository name is required"))
args := req.GetArguments()
name, err := params.GetString(args, "name")
if err != nil {
return to.ErrorResult(err)
}
description, _ := req.GetArguments()["description"].(string)
private, _ := req.GetArguments()["private"].(bool)
issueLabels, _ := req.GetArguments()["issue_labels"].(string)
autoInit, _ := req.GetArguments()["auto_init"].(bool)
template, _ := req.GetArguments()["template"].(bool)
gitignores, _ := req.GetArguments()["gitignores"].(string)
license, _ := req.GetArguments()["license"].(string)
readme, _ := req.GetArguments()["readme"].(string)
defaultBranch, _ := req.GetArguments()["default_branch"].(string)
organization, _ := req.GetArguments()["organization"].(string)
description, _ := args["description"].(string)
private, _ := args["private"].(bool)
issueLabels, _ := args["issue_labels"].(string)
autoInit, _ := args["auto_init"].(bool)
template, _ := args["template"].(bool)
gitignores, _ := args["gitignores"].(string)
license, _ := args["license"].(string)
readme, _ := args["readme"].(string)
defaultBranch, _ := args["default_branch"].(string)
organization, _ := args["organization"].(string)
opt := gitea_sdk.CreateRepoOption{
Name: name,
@@ -152,25 +152,26 @@ func CreateRepoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolRe
return to.ErrorResult(fmt.Errorf("create repository '%s' err: %v", name, err))
}
}
return to.TextResult(repo)
return to.TextResult(slimRepo(repo))
}
func ForkRepoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called ForkRepoFn")
user, ok := req.GetArguments()["user"].(string)
if !ok {
return to.ErrorResult(errors.New("user name is required"))
args := req.GetArguments()
user, err := params.GetString(args, "user")
if err != nil {
return to.ErrorResult(err)
}
repo, ok := req.GetArguments()["repo"].(string)
if !ok {
return to.ErrorResult(errors.New("repository name is required"))
repo, err := params.GetString(args, "repo")
if err != nil {
return to.ErrorResult(err)
}
organization, ok := req.GetArguments()["organization"].(string)
organization, ok := args["organization"].(string)
organizationPtr := new(organization)
if !ok || organization == "" {
organizationPtr = nil
}
name, ok := req.GetArguments()["name"].(string)
name, ok := args["name"].(string)
namePtr := new(name)
if !ok || name == "" {
namePtr = nil
@@ -192,12 +193,11 @@ func ForkRepoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResu
func ListMyReposFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
log.Debugf("Called ListMyReposFn")
page := params.GetOptionalInt(req.GetArguments(), "page", 1)
pageSize := params.GetOptionalInt(req.GetArguments(), "pageSize", 100)
page, pageSize := params.GetPagination(req.GetArguments(), 30)
opt := gitea_sdk.ListReposOptions{
ListOptions: gitea_sdk.ListOptions{
Page: int(page),
PageSize: int(pageSize),
Page: page,
PageSize: pageSize,
},
}
client, err := gitea.ClientFromContext(ctx)
@@ -209,5 +209,5 @@ func ListMyReposFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolR
return to.ErrorResult(fmt.Errorf("list my repositories error: %v", err))
}
return to.TextResult(repos)
return to.TextResult(slimRepos(repos))
}