build(deps-dev): bump wrangler from 4.100.0 to 4.103.0 in /mcp

[dependabot]

Bumps wrangler from 4.100.0 to 4.103.0.

Release notes

Sourced from wrangler's releases.

wrangler@4.103.0

Minor Changes

• #14295 cfd6205 Thanks @​dario-piotrowicz! - Move unstable_getWorkerNameFromProject from wrangler to @cloudflare/workers-utils

  The unstable_getWorkerNameFromProject export has been removed from the wrangler package. This function is now available as getWorkerNameFromProject (without the unstable_ prefix) from @cloudflare/workers-utils. If you were importing this function from wrangler, update your import to use @cloudflare/workers-utils instead.

• #14295 cfd6205 Thanks @​dario-piotrowicz! - Remove experimental autoconfig exports

  The experimental autoconfig exports (experimental_getDetailsForAutoConfig, experimental_runAutoConfig, experimental_AutoConfigFramework) have been removed. This logic has been moved to the @cloudflare/autoconfig package (without the experimental_ prefixes since the package itself is pre-v1).

Patch Changes

• #14366 c6579d3 Thanks @​jamesopstad! - Resolve relative cf-worker entrypoint imports relative to the importing module

  When loading the experimental cloudflare.config.ts, a relative entrypoint imported with import ... with { type: "cf-worker" } (e.g. ./src/index.ts) is now anchored to the module where the import is written, rather than being passed through verbatim and later resolved against the top-level config file. This fixes incorrect resolution when the import lives in a file other than the entry config — for example a config that re-exports from a nested file.

  Bare specifiers (such as @scope/pkg) and virtual modules (such as virtual:foo) are still left unresolved so that consumers can apply their own resolution.

• #14316 444b75e Thanks @​matingathani! - Prevent wrangler dev crash when source-mapping a truncated error chunk

  When a worker logs many errors in quick succession, the stderr chunks received by wrangler dev can be truncated mid-stack-frame, leaving a call site with an invalid column number. The source map library throws in that case, which was crashing the wrangler process entirely. The error is now caught and the original (un-source-mapped) text is returned instead.

• #14118 b38823f Thanks @​aicayzer! - Fix Uint8Array step outputs in local Workflows being persisted with the full backing ArrayBuffer

  A Uint8Array returned from a Workflows step under wrangler dev was serialised together with its full underlying ArrayBuffer, causing a raw SQLITE_TOOBIG error at view sizes well below the documented 1MiB step-output limit. For example, a 200KB view sliced from an 800KB buffer (a common pattern from crypto.getRandomValues or arr.slice(...) on a larger pool) would fail. The view's bytes are now copied to a tight buffer before persistence, bringing local behaviour in line with production. Fixes #14101.

• Updated dependencies [b38823f]:

  • miniflare@4.20260617.1

wrangler@4.102.0

Minor Changes

• #14340 f6e49dd Thanks @​emily-shen! - Add cf-wrangler build delegate support

  The experimental cf-wrangler delegate binary now accepts build and emits the Build Output API directory through Wrangler's new-config build path. This lets parent tools invoke Wrangler's build-output implementation with cf-wrangler build instead of shelling out through the public Wrangler CLI.

• #14324 36777db Thanks @​jamesopstad! - Add experimental --experimental-cf-build-output flag to wrangler build

  When used alongside --experimental-new-config, wrangler build now emits a self-contained Build Output API directory under .cloudflare/output/v0/ instead of delegating to wrangler deploy --dry-run.

Patch Changes

• #14347 673b09e Thanks @​jamesopstad! - Update undici from 7.24.8 to 7.28.0

• #14346 e930bd4 Thanks @​haidargit! - Bump ws from 8.20.1 to 8.21.0 to address GHSA-96hv-2xvq-fx4p

  GHSA-96hv-2xvq-fx4p / CVE-2026-48779 (high severity) reports a remote memory-exhaustion DoS in ws@<8.21.0: a peer sending a high volume of tiny fragments and data chunks over modest network traffic can crash a ws server or client via OOM. The fix shipped in ws@8.21.0 (commit 2b2abd45, released 2026-05-22), which also introduces the maxBufferedChunks and maxFragments options. This change bumps the workspace catalog entry so that miniflare, wrangler, and @cloudflare/vite-plugin all pick up the patched release.

• #14314 5c3bb11 Thanks @​harryzcy! - Bump esbuild to 0.28.1

... (truncated)

Commits

• 4d8ffcb Version Packages (#14353)
• 7649895 move auto provisioning to deploy-helpers (#14354)
• cfd6205 Extract autoconfig in its own standalone package (#14295)
• dd7e101 Version Packages (#14327)
• 5dfb788 Support dev.plugin on typed services bindings (#14269)
• 296ad65 Bump the workerd-and-workers-types group across 1 directory with 2 updates (#...
• f6e49dd add build command to cf-wrangler (#14340)
• 36777db Wrangler support for experimental Build Output API (#14324)
• a79b899 [wrangler] fix: respect find_additional_modules when no_bundle is set (#14315)
• 5c3bb11 Bump esbuild to 0.28.1 (#14314)
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