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[server] Add Authorization Bearer support for MCP clients #154

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180adcd
[recipes] Fix UUID cursor in fingerprint dedup backfill
demarant Apr 3, 2026
ab2925e
Merge branch 'main' into fix/fingerprint-dedup-backfill-uuid-cursor
demarant Apr 3, 2026
e8770e7
[server] Add Authorization Bearer support for MCP clients
demarant Apr 4, 2026
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6 changes: 5 additions & 1 deletion extensions/_template/AGENT_SPEC.md
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Original file line number Diff line number Diff line change
Expand Up @@ -148,7 +148,11 @@ const server = new McpServer({
const app = new Hono();

app.all("*", async (c) => {
const provided = c.req.header("x-brain-key") || new URL(c.req.url).searchParams.get("key");
// Accept access key via Authorization: Bearer header, x-brain-key header, or URL query parameter
const authHeader = c.req.header("Authorization");
const provided = (authHeader?.startsWith("Bearer ") && authHeader.split(" ")[1])
|| c.req.header("x-brain-key")
|| new URL(c.req.url).searchParams.get("key");
if (!provided || provided !== MCP_ACCESS_KEY) {
return c.json({ error: "Invalid or missing access key" }, 401);
}
Expand Down
6 changes: 5 additions & 1 deletion integrations/kubernetes-deployment/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -415,7 +415,11 @@ server.registerTool(
const app = new Hono();

app.all("*", async (c) => {
const provided = c.req.header("x-brain-key") || new URL(c.req.url).searchParams.get("key");
// Accept access key via Authorization: Bearer header, x-brain-key header, or URL query parameter
const authHeader = c.req.header("Authorization");
const provided = (authHeader?.startsWith("Bearer ") && authHeader.split(" ")[1])
|| c.req.header("x-brain-key")
|| new URL(c.req.url).searchParams.get("key");
if (!provided || provided !== MCP_ACCESS_KEY) {
return c.json({ error: "Invalid or missing access key" }, 401);
}
Expand Down
22 changes: 11 additions & 11 deletions recipes/fingerprint-dedup-backfill/backfill-fingerprints.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -94,14 +94,14 @@ function buildContentFingerprint(text) {

// ── REST helpers ────────────────────────────────────────────────────────────

async function fetchBatch(cursorId, batchSize) {
async function fetchBatch(cursorCreatedAt, batchSize) {
const url =
`${REST_BASE}/thoughts` +
`?content_fingerprint=is.null` +
`&id=gt.${cursorId}` +
`&select=id,content` +
`&created_at=gt.${encodeURIComponent(cursorCreatedAt)}` +
`&select=id,content,created_at` +
`&limit=${batchSize}` +
`&order=id.asc`;
`&order=created_at.asc`;
const res = await fetch(url, { headers: HEADERS });
if (!res.ok) {
const body = await res.text().catch(() => "");
Expand Down Expand Up @@ -162,7 +162,7 @@ function loadState() {
return JSON.parse(fs.readFileSync(STATE_FILE, "utf8"));
} catch {
return {
cursorId: 0,
cursorCreatedAt: "1970-01-01T00:00:00Z",
totalDone: 0,
totalDuplicates: 0,
totalErrors: 0,
Expand All @@ -183,20 +183,20 @@ async function main() {
const state = loadState();
console.log("=== Backfill content_fingerprint ===");
console.log(
`Resuming from cursor id=${state.cursorId} (${state.totalDone} already done)`
`Resuming from cursor created_at=${state.cursorCreatedAt} (${state.totalDone} already done)`
);
console.log(`Batch size: ${BATCH_SIZE}`);
console.log();

while (true) {
state.batches++;
process.stdout.write(
`Batch ${state.batches}: fetching from id>${state.cursorId}… `
`Batch ${state.batches}: fetching from created_at>${state.cursorCreatedAt}… `
);

let rows;
try {
rows = await fetchBatch(state.cursorId, BATCH_SIZE);
rows = await fetchBatch(state.cursorCreatedAt, BATCH_SIZE);
} catch (err) {
console.error("\n Fetch error:", err.message, "— retrying in 5s…");
await new Promise((r) => setTimeout(r, 5000));
Expand All @@ -221,8 +221,8 @@ async function main() {
state.totalDuplicates += duplicates;
state.totalErrors += errors;

const maxId = rows[rows.length - 1].id;
state.cursorId = typeof maxId === "number" ? maxId : maxId;
const lastCreatedAt = rows[rows.length - 1].created_at;
state.cursorCreatedAt = lastCreatedAt;
saveState(state);

const dupeStr =
Expand All @@ -231,7 +231,7 @@ async function main() {
console.log(
` → ${done} patched${dupeStr}${errStr}. ` +
`Total: ${state.totalDone} patched, ${state.totalDuplicates} duplicates, ${state.totalErrors} errors. ` +
`Cursor: ${state.cursorId}`
`Cursor: ${state.cursorCreatedAt}`
);

await new Promise((r) => setTimeout(r, 150));
Expand Down
22 changes: 11 additions & 11 deletions recipes/fingerprint-dedup-backfill/delete-duplicates.mjs
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Original file line number Diff line number Diff line change
Expand Up @@ -93,14 +93,14 @@ function buildFingerprint(text) {

// ── REST helpers ────────────────────────────────────────────────────────────

async function fetchBatch(cursorId, batchSize) {
async function fetchBatch(cursorCreatedAt, batchSize) {
const url =
`${REST_BASE}/thoughts` +
`?content_fingerprint=is.null` +
`&id=gt.${cursorId}` +
`&select=id,content` +
`&created_at=gt.${encodeURIComponent(cursorCreatedAt)}` +
`&select=id,content,created_at` +
`&limit=${batchSize}` +
`&order=id.asc`;
`&order=created_at.asc`;
const res = await fetch(url, { headers: HEADERS });
if (!res.ok) {
const body = await res.text().catch(() => "");
Expand Down Expand Up @@ -173,7 +173,7 @@ function loadState() {
return JSON.parse(fs.readFileSync(STATE_FILE, "utf8"));
} catch {
return {
cursorId: 0,
cursorCreatedAt: "1970-01-01T00:00:00Z",
totalDeleted: 0,
totalPatched: 0,
totalWouldDelete: 0,
Expand Down Expand Up @@ -205,19 +205,19 @@ async function main() {
}

console.log(
`Resuming from cursor id=${state.cursorId} (deleted: ${state.totalDeleted}, patched: ${state.totalPatched})`
`Resuming from cursor created_at=${state.cursorCreatedAt} (deleted: ${state.totalDeleted}, patched: ${state.totalPatched})`
);
console.log(`Batch size: ${BATCH_SIZE}\n`);

while (true) {
state.batches++;
process.stdout.write(
`Batch ${state.batches}: fetching from id>${state.cursorId}… `
`Batch ${state.batches}: fetching from created_at>${state.cursorCreatedAt}… `
);

let rows;
try {
rows = await fetchBatch(state.cursorId, BATCH_SIZE);
rows = await fetchBatch(state.cursorCreatedAt, BATCH_SIZE);
} catch (err) {
console.error("\n Fetch error:", err.message, "— retrying in 5s…");
await new Promise((r) => setTimeout(r, 5000));
Expand Down Expand Up @@ -303,14 +303,14 @@ async function main() {
}

// Advance cursor
const maxId = rows[rows.length - 1].id;
state.cursorId = maxId;
const lastCreatedAt = rows[rows.length - 1].created_at;
state.cursorCreatedAt = lastCreatedAt;
saveState(state);

console.log(
` Totals: deleted=${state.totalDeleted}, patched=${state.totalPatched}, ` +
`would-delete=${state.totalWouldDelete}, errors=${state.totalErrors}. ` +
`Cursor: ${state.cursorId}`
`Cursor: ${state.cursorCreatedAt}`
);

await new Promise((r) => setTimeout(r, 200));
Expand Down
2 changes: 1 addition & 1 deletion recipes/fingerprint-dedup-backfill/metadata.json
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Original file line number Diff line number Diff line change
Expand Up @@ -16,5 +16,5 @@
"difficulty": "beginner",
"estimated_time": "15 minutes",
"created": "2026-03-22",
"updated": "2026-03-22"
"updated": "2026-04-03"
}
7 changes: 5 additions & 2 deletions server/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -378,8 +378,11 @@ app.options("*", (c) => {
});

app.all("*", async (c) => {
// Accept access key via header OR URL query parameter
const provided = c.req.header("x-brain-key") || new URL(c.req.url).searchParams.get("key");
// Accept access key via Authorization: Bearer header, x-brain-key header, or URL query parameter
const authHeader = c.req.header("Authorization");
const provided = (authHeader?.startsWith("Bearer ") && authHeader.split(" ")[1])
|| c.req.header("x-brain-key")
|| new URL(c.req.url).searchParams.get("key");
if (!provided || provided !== MCP_ACCESS_KEY) {
return c.json({ error: "Invalid or missing access key" }, 401, corsHeaders);
}
Expand Down
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