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wiki: accept plain text content instead of content_base64 (#156)

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The `wiki_write` tool exposed the Gitea API's `content_base64` parameter directly, requiring callers to provide base64-encoded content. This caused LLM agents to incorrectly infer that other tools like `create_or_update_file` also require base64 encoding, corrupting files with literal base64 strings.

Rename the parameter to `content` (plain text) and handle base64 encoding internally, matching the pattern already used by `create_or_update_file`. Also added test coverage for this.

Closes #151

Reviewed-on: https://gitea.com/gitea/gitea-mcp/pulls/156
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
2026-03-14 01:49:40 +00:00
committed by silverwind
parent 7bf54b9e83
commit 0bdf8f5bb3
2 changed files with 81 additions and 5 deletions
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11
operation/wiki/wiki.go
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@@ -2,6 +2,7 @@ package wiki
import (
"context"
"encoding/base64"
"fmt"
"net/url"
@@ -40,7 +41,7 @@ var (
mcp.WithString("repo", mcp.Required(), mcp.Description("repository name")),
mcp.WithString("pageName", mcp.Description("wiki page name (required for 'update', 'delete')")),
mcp.WithString("title", mcp.Description("wiki page title (required for 'create', optional for 'update')")),
mcp.WithString("content_base64", mcp.Description("page content, base64 encoded (required for 'create', 'update')")),
mcp.WithString("content", mcp.Description("page content (required for 'create', 'update')")),
mcp.WithString("message", mcp.Description("commit message")),
)
)
@@ -176,7 +177,7 @@ func createWikiPageFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTo
if err != nil {
return to.ErrorResult(err)
}
contentBase64, err := params.GetString(args, "content_base64")
content, err := params.GetString(args, "content")
if err != nil {
return to.ErrorResult(err)
}
@@ -188,7 +189,7 @@ func createWikiPageFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTo
requestBody := map[string]string{
"title": title,
"content_base64": contentBase64,
"content_base64": base64.StdEncoding.EncodeToString([]byte(content)),
"message": message,
}
@@ -216,13 +217,13 @@ func updateWikiPageFn(ctx context.Context, req mcp.CallToolRequest) (*mcp.CallTo
if err != nil {
return to.ErrorResult(err)
}
contentBase64, err := params.GetString(args, "content_base64")
content, err := params.GetString(args, "content")
if err != nil {
return to.ErrorResult(err)
}
requestBody := map[string]string{
"content_base64": contentBase64,
"content_base64": base64.StdEncoding.EncodeToString([]byte(content)),
}
// If title is given, use it. Otherwise, keep current page name