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feat: slim tool responses (#141)
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:
@@ -24,7 +24,7 @@ const (
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// defaultPage is the default starting page number used for paginated organization listings.
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defaultPage = 1
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// defaultPageSize is the default number of organizations per page for paginated queries.
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defaultPageSize = 100
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defaultPageSize = 30
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)
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// Tool is the MCP tool manager instance for registering all MCP tools in this package.
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@@ -66,16 +66,6 @@ func registerTools() {
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}
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}
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// getIntArg parses an integer argument from the MCP request arguments map.
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// Returns def if missing, not a number, or less than 1. Used for pagination arguments.
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func getIntArg(req mcp.CallToolRequest, name string, def int) int {
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v := params.GetOptionalInt(req.GetArguments(), name, int64(def))
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if v < 1 {
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return def
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}
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return int(v)
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}
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// GetUserInfoFn is the handler for "get_my_user_info" MCP tool requests.
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// Logs invocation, fetches current user info from gitea, wraps result for MCP.
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func GetUserInfoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
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@@ -88,7 +78,7 @@ func GetUserInfoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolR
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if err != nil {
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return to.ErrorResult(fmt.Errorf("get user info err: %v", err))
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}
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return to.TextResult(user)
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return to.TextResult(slimUserDetail(user))
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}
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// GetUserOrgsFn is the handler for "get_user_orgs" MCP tool requests.
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@@ -96,8 +86,7 @@ func GetUserInfoFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolR
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// performs Gitea organization listing, and wraps the result for MCP.
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func GetUserOrgsFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolResult, error) {
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log.Debugf("[User] Called GetUserOrgsFn")
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page := getIntArg(req, "page", defaultPage)
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pageSize := getIntArg(req, "pageSize", defaultPageSize)
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page, pageSize := params.GetPagination(req.GetArguments(), defaultPageSize)
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opt := gitea_sdk.ListOrgsOptions{
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ListOptions: gitea_sdk.ListOptions{
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@@ -113,5 +102,5 @@ func GetUserOrgsFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallToolR
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if err != nil {
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return to.ErrorResult(fmt.Errorf("get user orgs err: %v", err))
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}
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return to.TextResult(orgs)
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return to.TextResult(slimOrgs(orgs))
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}
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