import { Resource } from '@modelcontextprotocol/sdk/types.js';
import { FafEngineAdapter } from './engine-adapter';
export class FafResourceHandler {
constructor(private engineAdapter: FafEngineAdapter) {}
async listResources() {
// Get the working directory for file system resources
const workingDir = process.env.FAF_WORKING_DIR ?? process.cwd();
return {
resources: [
{
uri: 'claude-faf://context',
name: 'Current FAF Context',
description: 'Current project FAF context and metadata',
mimeType: 'application/json'
},
{
uri: 'claude-faf://status',
name: 'FAF Status Summary',
description: 'Project health and AI readiness status',
mimeType: 'text/plain'
},
// Declare file system access for the working directory
{
uri: `file://${workingDir}`,
name: 'FAF Working Directory',
description: 'File system access for FAF operations',
mimeType: 'text/directory'
}
] as Resource[]
};
}
async readResource(uri: string) {
// Handle file:// URIs for file system access
if (uri.startsWith('file://')) {
return {
contents: [{
uri: uri,
mimeType: 'text/directory',
text: `File system resource: ${uri.replace('file://', '')}`
}]
};
}
switch (uri) {
case 'claude-faf://context':
return await this.getFafContext();
case 'claude-faf://status':
return await this.getFafStatus();
default:
throw new Error(`Unknown resource: ${uri}`);
}
}
private async getFafContext() {
const result = await this.engineAdapter.callEngine('status', ['--json']);
return {
contents: [{
uri: 'claude-faf://context',
mimeType: 'application/json',
text: JSON.stringify(result.success ? result.data : { error: result.error }, null, 2)
}]
};
}
private async getFafStatus() {
const result = await this.engineAdapter.callEngine('status');
return {
contents: [{
uri: 'claude-faf://status',
mimeType: 'text/plain',
text: result.success ? (result.data?.output ?? String(result.data)) : `Error: ${result.error ?? 'Unknown error'}`
}]
};
}
}
