---
summary: "MCP SDK v2 compatibility, explicit stateless HTTP serving, resource response schemas, and mcp-ts-core ^0.12.3"
breaking: false
security: false
---

# 0.1.15 — 2026-08-22

## Changed

- **MCP transport** now uses the SDK v2 framework path, serves HTTP protocol revision 2026-07-28 alongside the supported 2025 revision, rejects undeclared top-level tool arguments, and advertises tool failure envelopes in output schemas.
- **`MCP_SESSION_MODE`** is explicitly `stateless` in the container, example environment file, and configuration reference.
- **`socrata_dataframe_describe`** no longer claims to return a registration time that its result does not contain.

## Fixed

- **Resource responses** — `socrata://datasets/{domain}/{datasetId}` and `socrata://portals` now advertise output schemas matching their returned JSON.
- **Generic Socrata HTTP errors** preserve the framework's canonical `status` and `body` fields after Socrata-specific error inspection.

## Dependencies

- `@cyanheads/mcp-ts-core` `^0.10.14` → `^0.12.3`
- `@duckdb/node-api` `^1.5.4-r.1` → `^1.5.5-r.4`
- Dev: `@biomejs/biome` `^2.5.2` → `^2.5.9`, `@types/node` `^26.1.0` → `^26.2.0`, `ignore` `^7.0.5` → `^7.0.6`, `tsc-alias` `^1.9.0` → `^1.9.2`, `typescript` `^6.0.3` → `^7.0.2`, `vitest` `^4.1.9` → `^4.1.11`.