Initial public release

MCP (Model Context Protocol) server providing read-only access to a Gitea instance, gated by OAuth-issued JWT bearer tokens. See README.md for setup.
2026-05-17 23:52:44 +08:00
commit 71600adba9
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+using GiteaMcp.Services;
+using GiteaMcp.Services.Models;
+using ModelContextProtocol.Server;
+using System.ComponentModel;
+
+namespace GiteaMcp.Tools;
+
+/// <summary>代码搜索 Tool：search_code</summary>
+[McpServerToolType]
+public class SearchTools(
+    GiteaApiClient gitea,
+    GiteaRepoFilter filter)
+{
+    [McpServerTool]
+    [Description(
+        "Search code across Gitea repositories using Gitea's built-in code indexer. " +
+        "Requires Gitea to have REPO_INDEXER_ENABLED=true in app.ini. " +
+        "If the indexer is not enabled, returns an explanatory error instead of silently returning empty. " +
+        "Scope: when owner+repo are provided, searches only that repo; otherwise searches all accessible repos. " +
+        "Returns: owner, repo, file path, line number, and a preview snippet of the matching line. " +
+        "Limit: max 50 results. For large codebases, narrow with owner or repo.")]
+    public async Task<object> search_code(
+        [Description("Search query string. Supports keywords; no regex.")] string query,
+        [Description("Restrict search to this owner (user login or org name). Optional.")] string? owner = null,
+        [Description("Restrict search to this repo name (requires owner). Optional.")] string? repo = null,
+        [Description("Max number of results. Default 50.")] int? limit = null,
+        CancellationToken ct = default)
+    {
+        var lim = Math.Min(limit ?? 50, 50);
+
+        // 检查是否需要过滤黑名单
+        if (!string.IsNullOrWhiteSpace(owner) && !string.IsNullOrWhiteSpace(repo)
+            && filter.IsBlocked($"{owner}/{repo}"))
+        {
+            throw new UnauthorizedAccessException($"Repo {owner}/{repo} is on the access blocklist.");
+        }
+
+        // 调 Gitea code search 端点（仅在 [indexer] REPO_INDEXER_ENABLED=true 时可用）。
+        // indexer 未启用 → API 返回 404，GiteaApiClient.EnsureSuccessAsync 抛 KeyNotFoundException，
+        // 这里捕获后返回结构化降级提示，避免 swallow 到空数组让 Claude 误以为"搜不到"。
+        try
+        {
+            var codeResult = await gitea.SearchCodeAsync(query, owner, repo, lim, ct);
+
+            var hits = codeResult.Data
+                .Where(d => d.Repo == null || !filter.IsBlocked(d.Repo.FullName))
+                .Take(lim)
+                .Select(d => (object)new
+                {
+                    owner = d.Repo?.Owner?.Login ?? "",
+                    repo = d.Repo?.Name ?? "",
+                    path = d.Filename,
+                    // Gitea code search 不返回精确行号，前端可在 preview 里自行定位
+                    line = 0,
+                    preview = d.Content?.Length > 200 ? d.Content[..200] + "..." : d.Content ?? "",
+                })
+                .ToList();
+
+            return new { ok = true, results = hits };
+        }
+        catch (KeyNotFoundException)
+        {
+            // indexer 未启用 → 404；返回结构化提示，不要 swallow 成空 results
+            return new
+            {
+                ok = false,
+                error = "indexer_disabled",
+                notice = "Gitea code search endpoint returned 404. " +
+                         "Enable the code indexer by setting [indexer] REPO_INDEXER_ENABLED=true in app.ini and restart Gitea. " +
+                         "Workaround: use list_tree + read_file to navigate files manually.",
+                results = Array.Empty<object>(),
+            };
+        }
+    }
+}