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e92be04 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | /**
* Patch @modelcontextprotocol/sdk to accept clients that only send
* Accept: application/json (like Smithery) without requiring text/event-stream.
*
* Run automatically via package.json postinstall.
* Safe to run multiple times (idempotent).
*/
import { readFileSync, writeFileSync, existsSync } from 'node:fs';
import { fileURLToPath } from 'node:url';
import path from 'node:path';
const __dirname = path.dirname(fileURLToPath(import.meta.url));
const TARGETS = [
'node_modules/@modelcontextprotocol/sdk/dist/esm/server/webStandardStreamableHttp.js',
'node_modules/@modelcontextprotocol/sdk/dist/cjs/server/webStandardStreamableHttp.js',
];
const PATCHES = [
{
name: 'POST Accept validation',
old: `if (!acceptHeader?.includes('application/json') || !acceptHeader.includes('text/event-stream')) {
return this.createJsonErrorResponse(406, -32000, 'Not Acceptable: Client must accept both application/json and text/event-stream');
}`,
new: `// Patched: accept application/json-only clients (e.g. Smithery)
if (!acceptHeader?.includes('application/json') && !acceptHeader?.includes('text/event-stream') && !acceptHeader?.includes('*/*')) {
return this.createJsonErrorResponse(406, -32000, 'Not Acceptable: Client must accept application/json');
}`
},
{
name: 'GET Accept validation',
old: `// The client MUST include an Accept header, listing text/event-stream as a supported content type.
const acceptHeader = req.headers.get('accept');
if (!acceptHeader?.includes('text/event-stream')) {
return this.createJsonErrorResponse(406, -32000, 'Not Acceptable: Client must accept text/event-stream');
}`,
new: `// Patched: allow clients without text/event-stream (e.g. Smithery POST-only flow)
const acceptHeader = req.headers.get('accept');`
}
];
let patched = 0;
for (const rel of TARGETS) {
const file = path.join(__dirname, rel);
if (!existsSync(file)) { console.log(`[patch] SKIP (not found): ${rel}`); continue; }
let content = readFileSync(file, 'utf8');
let changed = false;
for (const p of PATCHES) {
if (content.includes(p.new.slice(0, 40))) { console.log(`[patch] Already applied (${p.name}): ${rel}`); continue; }
if (!content.includes(p.old)) { console.log(`[patch] Pattern not found (${p.name}) — SDK changed?: ${rel}`); continue; }
content = content.replace(p.old, p.new);
console.log(`[patch] OK (${p.name}): ${rel}`);
changed = true;
patched++;
}
if (changed) writeFileSync(file, content, 'utf8');
}
console.log(`[patch] Done. ${patched} patch(es) applied.`);
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