From efe9169fc250676f7a4e494f4f3a517e8e159228 Mon Sep 17 00:00:00 2001
From: Brendan Ryan <brendanjryan@users.noreply.github.com>
Date: Mon, 23 Mar 2026 11:21:10 -0700
Subject: [PATCH 1/2] docs: add SDK feature parity matrix

Adds a high-level feature comparison page at /sdk/features covering
payment methods, intents, transports, framework integrations, Tempo
features, proxy services, and extras across mppx, mpp-rs, and pympp.
---
 src/pages/sdk/features.mdx | 67 ++++++++++++++++++++++++++++++++++++++
 vocs.config.ts             |  1 +
 2 files changed, 68 insertions(+)
 create mode 100644 src/pages/sdk/features.mdx

diff --git a/src/pages/sdk/features.mdx b/src/pages/sdk/features.mdx
new file mode 100644
index 00000000..8bf95bb5
--- /dev/null
+++ b/src/pages/sdk/features.mdx
@@ -0,0 +1,67 @@
+---
+title: "SDK features"
+description: "Feature parity across TypeScript, Python, and Rust MPP SDKs."
+---
+
+# SDK features [Parity across TypeScript, Python, and Rust]
+
+This page tracks which features are implemented in each official SDK.
+
+## Core
+
+| Component | [TypeScript](https://github.com/wevm/mppx) | [Rust](https://github.com/tempoxyz/mpp-rs) | [Python](https://github.com/tempoxyz/pympp) |
+|---|---|---|---|
+| Client | ✓ | ✓ | ✓ |
+| Server | ✓ | ✓ | ✓ |
+| Proxy | ✓ | ✓ | — |
+
+## Payment methods
+
+| Method | TypeScript | Rust | Python |
+|---|---|---|---|
+| [Tempo](/payment-methods/tempo) | ✓ | ✓ | ✓ |
+| [Stripe](/payment-methods/stripe) | ✓ | — | — |
+
+Additional payment methods ([Lightning](/payment-methods/lightning), [Card](/payment-methods/card)) implement their own SDKs. Refer to the maintaining organizations for support and availability.
+
+## Intents
+
+| Intent | TypeScript | Rust | Python |
+|---|---|---|---|
+| [Charge](/intents/charge) | ✓ | ✓ | ✓ |
+| [Session](/payment-methods/tempo/session) | ✓ | ✓ | — |
+
+## Transports
+
+| Transport | TypeScript | Rust | Python |
+|---|---|---|---|
+| [HTTP](/protocol/transports/http) | ✓ | ✓ | ✓ |
+| [MCP](/protocol/transports/mcp) | ✓ | ✓ | ✓ |
+
+### HTTP framework integrations
+
+| Role | TypeScript | Rust | Python |
+|---|---|---|---|
+| **Client** | fetch | reqwest | httpx |
+| **Server** | Elysia, Express, Hono, Next.js | Axum, Tower | Decorator (`@server.pay`) |
+
+### MCP framework integrations
+
+| Role | TypeScript | Rust | Python |
+|---|---|---|---|
+| **Client** | MCP SDK transport | — | — |
+| **Server** | MCP SDK transport | — | FastMCP (`@pay` decorator) |
+
+## Tempo features
+
+| Feature | TypeScript | Rust | Python |
+|---|---|---|---|
+| Charge verification (server) | ✓ | ✓ | ✓ |
+| Credential creation (client) | ✓ | ✓ | ✓ |
+| `transaction` payload type | ✓ | ✓ | ✓ |
+| `hash` payload type | ✓ | ✓ | ✓ |
+| Fee payer co-signing | ✓ | ✓ | ✓ |
+| Session channels (open/voucher/topUp/close) | ✓ | ✓ | — |
+| SSE metered streaming | ✓ | ✓ | — |
+| Attribution memo | ✓ | ✓ | ✓ |
+
diff --git a/vocs.config.ts b/vocs.config.ts
index d8ba9e28..24c4e6b1 100644
--- a/vocs.config.ts
+++ b/vocs.config.ts
@@ -357,6 +357,7 @@ export default defineConfig({
         text: "SDKs",
         items: [
           { text: "Overview", link: "/sdk" },
+          { text: "SDK features", link: "/sdk/features" },
           {
             text: "TypeScript",
             collapsed: true,

From 7a6290d5ff06a98eccc99f01d8cb48ad5f6a8469 Mon Sep 17 00:00:00 2001
From: Brendan Ryan <brendanjryan@users.noreply.github.com>
Date: Mon, 23 Mar 2026 11:28:48 -0700
Subject: [PATCH 2/2] Simplify additional payment methods description

Removed specific payment method examples from the text.
---
 src/pages/sdk/features.mdx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pages/sdk/features.mdx b/src/pages/sdk/features.mdx
index 8bf95bb5..75455f50 100644
--- a/src/pages/sdk/features.mdx
+++ b/src/pages/sdk/features.mdx
@@ -22,7 +22,7 @@ This page tracks which features are implemented in each official SDK.
 | [Tempo](/payment-methods/tempo) | ✓ | ✓ | ✓ |
 | [Stripe](/payment-methods/stripe) | ✓ | — | — |
 
-Additional payment methods ([Lightning](/payment-methods/lightning), [Card](/payment-methods/card)) implement their own SDKs. Refer to the maintaining organizations for support and availability.
+Additional payment methods implement their own SDKs. Refer to the maintaining organizations for support and availability.
 
 ## Intents