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v0.3.4: mcp-ts-core ^0.12.3 — SDK v2 migration, stateless sessions, devcheck fix

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@cyanheads cyanheads released this 25 Aug 08:35
v0.3.4
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cyanheads Casey Hand
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cyanheads Casey Hand
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Learn about vigilant mode.

mcp-ts-core ^0.12.3 — SDK v2 migration, stateless sessions, devcheck fix

  • Strict, closed 2020-12 tool input schemas reject undeclared argument keys by name (was silently stripped); the call comes back isError with content[0].text naming the key and no structuredContent — a tool result, not a JSON-RPC -32602
  • outputSchema now declares the error envelope, and HTTP serves protocol revision 2026-07-28 alongside 2025
  • MCP_SESSION_MODE in .env.example set to stateless, matching the Dockerfile — was auto, which resolves to stateful
  • scripts/devcheck.ts recognizes Bun 1.4's bun audit output shape — was hard-failing even on transitive-only advisories
  • Bun pinned to 1.4.0; skills and CLAUDE.md resynced from the framework
  • deps: @cyanheads/mcp-ts-core ^0.11.5 → ^0.12.3 (+ dev-dep bumps)

CHANGELOG v0.3.4

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