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chore(mcp): update MCP client and server to 2.2.0 and SDK to 1.31.0 #2573

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Merged
mattzcarey merged 2 commits into from
Oct 12, 2026
Merged

chore(mcp): update MCP client and server to 2.2.0 and SDK to 1.31.0 #2573

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317b159
chore(mcp): update MCP client and server to 2.2.0 and SDK to 1.31.0
mattzcarey Oct 12, 2026
409a460
chore: single-line changeset with docs link
mattzcarey Oct 12, 2026
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5 changes: 5 additions & 0 deletions .changeset/mcp-sdk-2-2.md
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---
"agents": patch
---

Update `@modelcontextprotocol/client` and `@modelcontextprotocol/server` to 2.2.0 and `@modelcontextprotocol/sdk` to 1.31.0. See [Model Context Protocol](https://developers.cloudflare.com/agents/model-context-protocol/).
2 changes: 1 addition & 1 deletion docs/agents/mcp-client.md
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Install the exact MCP client peer used by this Agents release:

```sh
pnpm add agents @modelcontextprotocol/client@2.0.0
pnpm add agents @modelcontextprotocol/client@2.2.0
```

```typescript
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2 changes: 1 addition & 1 deletion docs/agents/mcp-servers.md
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Expand Up @@ -25,7 +25,7 @@ that needs Standard Schema support, use `@modelcontextprotocol/server` v2 with
The simplest way to create an MCP server. Install the exact SDK v2 server peer, then use the isolated server entry point so legacy Agents transports and MCP clients stay out of your Worker bundle:

```sh
pnpm add agents @modelcontextprotocol/server@2.0.0 zod
pnpm add agents @modelcontextprotocol/server@2.2.0 zod
```

```typescript
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2 changes: 1 addition & 1 deletion examples/codemode-connectors/package.json
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"@cloudflare/ai-chat": "*",
"@cloudflare/codemode": "*",
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@phosphor-icons/react": "^2.1.10",
"@streamdown/code": "^1.1.1",
"agents": "*",
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4 changes: 2 additions & 2 deletions examples/codemode-mcp-openapi/package.json
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},
"dependencies": {
"@cloudflare/codemode": "*",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"agents": "*"
},
"devDependencies": {
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4 changes: 2 additions & 2 deletions examples/codemode-mcp/package.json
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},
"dependencies": {
"@cloudflare/codemode": "*",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"agents": "*",
"zod": "^4.5.4"
},
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2 changes: 1 addition & 1 deletion examples/mcp-elicitation-mrtr/package.json
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"types": "wrangler types env.d.ts --include-runtime false"
},
"dependencies": {
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/server": "2.2.0",
"agents": "*",
"zod": "^4.5.4"
},
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2 changes: 1 addition & 1 deletion examples/mcp-elicitation/package.json
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},
"type": "module",
"dependencies": {
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"agents": "*",
"zod": "^4.5.4"
}
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2 changes: 1 addition & 1 deletion examples/mcp-rpc-transport/package.json
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"dependencies": {
"@cloudflare/ai-chat": "*",
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"ai": "^7.0.0",
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2 changes: 1 addition & 1 deletion examples/mcp-server/package.json
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"types": "wrangler types env.d.ts --include-runtime false"
},
"dependencies": {
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/server": "2.2.0",
"zod": "^4.5.4"
},
"devDependencies": {
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4 changes: 2 additions & 2 deletions examples/mcp-worker-authenticated/package.json
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"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@cloudflare/workers-oauth-provider": "^0.8.1",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"hono": "^4.13.5",
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4 changes: 2 additions & 2 deletions examples/mcp-worker/package.json
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},
"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"react": "^19.2.7",
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2 changes: 1 addition & 1 deletion examples/mcp/package.json
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},
"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"react": "^19.2.7",
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2 changes: 1 addition & 1 deletion examples/next/mcp-client/package.json
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},
"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/client": "2.0.0",
"@modelcontextprotocol/client": "2.2.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"react": "^19.2.7",
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4 changes: 2 additions & 2 deletions examples/playground/package.json
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"@cloudflare/ai-chat": "*",
"@cloudflare/codemode": "*",
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@phosphor-icons/react": "^2.1.10",
"@streamdown/code": "^1.1.1",
"agents": "*",
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2 changes: 1 addition & 1 deletion examples/webmcp/package.json
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},
"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@phosphor-icons/react": "^2.1.10",
"agents": "*",
"zod": "^4.5.4"
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2 changes: 1 addition & 1 deletion examples/x402-mcp/package.json
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},
"dependencies": {
"@cloudflare/kumo": "^2.6.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@phosphor-icons/react": "^2.1.10",
"@x402/evm": "^2.17.0",
"agents": "*",
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4 changes: 2 additions & 2 deletions openai-sdk/chess-app/package.json
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},
"dependencies": {
"@cloudflare/vite-plugin": "1.62.3",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@vitejs/plugin-react": "^6.0.3",
"agents": "*",
"chess.js": "^1.4.0",
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2 changes: 1 addition & 1 deletion package.json
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"@cloudflare/vite-plugin": "1.62.3",
"@cloudflare/vitest-pool-workers": "^0.19.1",
"@cloudflare/workers-types": "^5.20260729.1",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@openai/agents": "^0.12.0",
"@openai/agents-extensions": "^0.12.0",
"@phosphor-icons/react": "^2.1.10",
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12 changes: 6 additions & 6 deletions packages/agents/package.json
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"@earendil-works/pi-ai": "^1.0.0",
"@earendil-works/pi-durable": "^1.0.0",
"@earendil-works/pi-tui": "1.0.0",
"@modelcontextprotocol/client": "2.0.0",
"@modelcontextprotocol/client": "2.2.0",
"@modelcontextprotocol/conformance-v2": "npm:@modelcontextprotocol/conformance@0.2.0-alpha.10",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@opencode/plugin": "2.0.24",
"@opencode/sdk": "2.0.24",
"@tanstack/ai": "0.38.0",
Expand All @@ -73,9 +73,9 @@
"@cloudflare/codemode": ">=0.5.0",
"@earendil-works/pi-ai": "^1.0.0",
"@earendil-works/pi-durable": "^1.0.0",
"@modelcontextprotocol/client": "2.0.0",
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/server": "2.0.0",
"@modelcontextprotocol/client": "2.2.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@modelcontextprotocol/server": "2.2.0",
"@opencode/plugin": "^2.0.24",
"@opencode/sdk": "^2.0.24",
"@tanstack/ai": ">=0.10.2 <1.0.0",
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2 changes: 1 addition & 1 deletion packages/codemode/package.json
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"acorn": "^8.17.0"
},
"devDependencies": {
"@modelcontextprotocol/sdk": "1.30.0",
"@modelcontextprotocol/sdk": "1.31.0",
"@playwright/test": "^1.61.1",
"@tanstack/ai": "0.38.0",
"ai": "^7.0.0",
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