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fix(mcp): register handler on bare /mcp path to match MCP transport spec #733

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fix(mcp): register handler on bare /mcp path to match MCP transport spec #733

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fix(mcp): register handler on bare /mcp path to match MCP transport spec
nmindz Feb 12, 2026
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biome format --write
nmindz Feb 12, 2026
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nmindz Feb 17, 2026
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9 changes: 6 additions & 3 deletions apps/mcp/src/index.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import { cors } from "hono/cors"
import { Hono } from "hono"
import { Hono, type Context } from "hono"
import { SupermemoryMCP } from "./server"
import { isApiKey, validateApiKey, validateOAuthToken } from "./auth"
import { initPosthog } from "./posthog"
Expand Down Expand Up @@ -100,7 +100,7 @@ const mcpHandler = SupermemoryMCP.mount("/mcp", {
},
})

app.all("/mcp/*", async (c) => {
const handleMcpRequest = async (c: Context<{ Bindings: Bindings }>) => {
const authHeader = c.req.header("Authorization")
const token = authHeader?.replace(/^Bearer\s+/i, "")
const containerTag = c.req.header("x-sm-project")
Expand Down Expand Up @@ -169,7 +169,10 @@ app.all("/mcp/*", async (c) => {
} as ExecutionContext & { props: Props }

return mcpHandler.fetch(c.req.raw, c.env, ctx)
})
}

app.all("/mcp", handleMcpRequest)
app.all("/mcp/*", handleMcpRequest)

// Export the Durable Object class for Cloudflare Workers
export { SupermemoryMCP }
Expand Down