release: 7.4.0

[stainless-app]

Automated Release PR

7.4.0 (2026-03-16)

Full Changelog: v7.3.0...v7.4.0

Features

• api: dpr type update (81ec737)
• api: revert dpr breaking change (2543278)
• mcp: add an option to disable code tool (af87a8b)
• mcp: add initial server instructions (cdce131)

Bug Fixes

• client: avoid memory leak with abort signals (c08f7c0)
• client: avoid removing abort listener too early (0738e88)
• client: preserve URL params already embedded in path (9fed3c5)
• docs/contributing: correct pnpm link command (743a112)
• fix request delays for retrying to be more respectful of high requested delays (8cc484f)
• mcp: initialize SDK lazily to avoid failing the connection on init errors (66c5305)
• mcp: update prompt (db925be)

Chores

• ci: skip uploading artifacts on stainless-internal branches (7d86a36)
• client: do not parse responses with empty content-length (4b5fcbf)
• client: restructure abort controller binding (46c04e1)
• internal/client: fix form-urlencoded requests (d96f483)
• internal: add health check to MCP server when running in HTTP mode (83d1174)
• internal: allow basic filtering of methods allowed for MCP code mode (4a86182)
• internal: allow setting x-stainless-api-key header on mcp server requests (a72133c)
• internal: always generate MCP server dockerfiles and upgrade associated dependencies (90eae18)
• internal: avoid type checking errors with ts-reset (7cd3980)
• internal: bump @modelcontextprotocol/sdk, @hono/node-server, and minimatch (a0031e0)
• internal: cache fetch instruction calls in MCP server (7738ab8)
• internal: codegen related update (4178900)
• internal: fix MCP Dockerfiles so they can be built without buildkit (9dde351)
• internal: fix MCP Dockerfiles so they can be built without buildkit (62b9ad0)
• internal: improve layout of generated MCP server files (b2e0a75)
• internal: make generated MCP servers compatible with Cloudflare worker environments (419e72f)
• internal: make MCP code execution location configurable via a flag (497c926)
• internal: move stringifyQuery implementation to internal function (60f7ea6)
• internal: refactor flag parsing for MCP servers and add debug flag (ff4b97e)
• internal: remove mock server code (f1deef8)
• internal: support oauth authorization code flow for MCP servers (5f6c688)
• internal: support x-stainless-mcp-client-envs header in MCP servers (6b2f378)
• internal: support x-stainless-mcp-client-permissions headers in MCP servers (6e75dad)
• internal: switch MCP servers to use pino for logging (f08d300)
• internal: tweak CI branches (aae2960)
• internal: update agents version (e39e377)
• internal: update dependencies to address dependabot vulnerabilities (c6f8d11)
• internal: upgrade @modelcontextprotocol/sdk and hono (446fc85)
• internal: upgrade hono (61a5d88)
• internal: use x-stainless-mcp-client-envs header for MCP remote code tool calls (d128af7)
• mcp-server: improve instructions (9afa574)
• mcp-server: return access instructions for 404 without API key (568dd2a)
• mcp: correctly update version in sync with sdk (57fa966)
• mcp: forward STAINLESS_API_KEY to docs search endpoint (bf91d73)
• tests: update webhook tests (f179fa9)
• update mock server docs (8d9ad04)
• update placeholder string (f8f62ae)
• use proper capitalization for WebSockets (e6e8ed6)

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[stainless-app]

🧪 Testing

To try out this version of the SDK:

npm install 'https://pkg.stainless.com/s/imagekit-typescript/6e75dad258809bb73b8d4e05195eea89afa7edf8/dist.tar.gz'

Expires at: Wed, 15 Apr 2026 22:02:11 GMT
Updated at: Mon, 16 Mar 2026 22:02:11 GMT