@sofianedjerbi/knowledge-tree-mcp
Version:
MCP server for hierarchical project knowledge management
89 lines • 2.86 kB
JavaScript
/**
* Delete knowledge tool implementation
* Removes knowledge entries and cleans up references
*/
import { join } from 'path';
import { ensureJsonExtension, fileExists, readKnowledgeEntry, writeKnowledgeEntry, deleteFile } from '../utils/index.js';
/**
* Handler for the delete_knowledge tool
*/
export const deleteKnowledgeHandler = async (args, context) => {
const { path, cleanup_links = true } = args;
// Ensure path ends with .json
const jsonPath = ensureJsonExtension(path);
const fullPath = join(context.knowledgeRoot, jsonPath);
// Check if file exists
if (!await fileExists(fullPath)) {
return {
content: [
{
type: "text",
text: `❌ Entry not found: ${jsonPath}`,
},
],
};
}
// Read the entry before deletion for cleanup
let entryData = null;
if (cleanup_links) {
try {
entryData = await readKnowledgeEntry(fullPath);
}
catch (error) {
// Continue with deletion even if we can't parse
}
}
// Delete the file
try {
await deleteFile(fullPath);
}
catch (error) {
return {
content: [
{
type: "text",
text: `❌ Failed to delete entry: ${error}`,
},
],
};
}
// Clean up references in other entries
let cleanedCount = 0;
if (cleanup_links) {
const allEntries = await context.scanKnowledgeTree();
for (const entryPath of allEntries) {
const entryFullPath = join(context.knowledgeRoot, entryPath);
try {
const entry = await readKnowledgeEntry(entryFullPath);
if (entry.related_to && entry.related_to.length > 0) {
const originalLength = entry.related_to.length;
entry.related_to = entry.related_to.filter(link => link.path !== jsonPath);
if (entry.related_to.length < originalLength) {
await writeKnowledgeEntry(entryFullPath, entry);
cleanedCount++;
}
}
}
catch (error) {
// Skip entries we can't process
}
}
}
// Broadcast deletion
await context.broadcastUpdate('entryDeleted', {
path: jsonPath
});
let responseText = `✅ Successfully deleted: ${jsonPath}`;
if (cleanup_links && cleanedCount > 0) {
responseText += `\n🧹 Cleaned up references in ${cleanedCount} other entries`;
}
return {
content: [
{
type: "text",
text: responseText,
},
],
};
};
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