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Bo-Yi Wu 75f1adf979 feat!: support protocol 2026-07-28 over HTTP and add --bind (#227)
Adds MCP protocol `2026-07-28` over HTTP through the official Go SDK, and validates the `Origin` header on every request as the spec requires.

Tool and Gitea failures now come back as an ordinary `tools/call` result carrying `result.isError: true`, the way the SDK's own tool wrapper reports them. Malformed requests, unknown tools or methods, and server faults stay JSON-RPC errors.

Adds `-b, --bind` to narrow the listen address. The default still accepts every interface, so this is opt-in hardening. It matters because a request that omits `Authorization` falls back to the server's own token.

**Breaking: the HTTP endpoint no longer keeps a session per client.** What changes for a client:

1. `/mcp` accepts `POST` only, and answers `405` to `GET` or `DELETE`.
2. The server neither sends nor accepts `Mcp-Session-Id`, so there is no session handshake to perform.
3. There is no standalone SSE stream and no `Last-Event-ID` resumption. If a response stream breaks, send the whole request again under a new JSON-RPC id.

Clients that already speak current streamable HTTP need no changes. Anything relying on the session handshake or the standalone SSE stream should stay on the previous release.

---------

Co-authored-by: silverwind <me@silverwind.io>
Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/227
Reviewed-by: silverwind <2021+silverwind@noreply.gitea.com>
Co-authored-by: Bo-Yi Wu <appleboy.tw@gmail.com>
2026-08-07 15:14:26 +00:00

32 lines
688 B
Go

package to
import (
"encoding/json"
"fmt"
"gitea.com/gitea/gitea-mcp/pkg/flag"
"gitea.com/gitea/gitea-mcp/pkg/log"
"github.com/modelcontextprotocol/go-sdk/mcp"
)
func TextResult(v any) (*mcp.CallToolResult, error) {
resultBytes, err := json.Marshal(v)
if err != nil {
return nil, fmt.Errorf("marshal result err: %v", err)
}
if flag.Debug {
log.Debugf("Text Result: %s", string(resultBytes))
}
return &mcp.CallToolResult{
Content: []mcp.Content{&mcp.TextContent{Text: string(resultBytes)}},
}, nil
}
func ErrorResult(err error) (*mcp.CallToolResult, error) {
log.Errorf("%s", err.Error())
var result mcp.CallToolResult
result.SetError(err)
return &result, nil
}