neo-mcp v4.0.1

Production MCP 2026-07-28 release.

• Completes the breaking modern-only migration introduced in v4.0.0.
• Uses the split MCP SDK v2 packages and stateless per-request HTTP transport.
• Removes initialize, session IDs, GET/DELETE lifecycle routes, and legacy protocol fallbacks.
• Publishes the validated npm tarball through an explicit local artifact path.
• Includes 33 read-only public tools, strict protocol routing, cache hints, and signed input_required state for optional write tools.

See docs/CHANGELOG.md for the complete migration notes.

Neo MCP v4.0.0

MCP 2026-07-28 only.

Breaking changes:

• Replaces SDK v1 with the split SDK v2 packages.
• Removes initialization, session IDs, legacy HTTP lifecycle routes, and protocol downgrade paths.
• Replaces form elicitation with signed input_required multi-round trips for write approval.
• Adds stateless HTTP limits, strict routing validation, cache hints, and the analyze_address tool.

Clients must upgrade to @modelcontextprotocol/client v2 and pin protocol version 2026-07-28.

v3.1.0

Full Changelog: v2.0.0...v3.1.0

v2.0.0 — Professional Overhaul

Breaking Changes

• Replaced vendored neon-js 3.x with @cityofzion/neon-js@5.x from npm
• Configuration validation now rejects invalid values at startup
• Rate limiting now enforced (was previously configured but ignored)
• Package no longer bundles neon-js or ships config/examples in npm tarball

Improvements

• Full TypeScript type safety — zero any types in production code
• Rate limiting integrated into HTTP (429 + Retry-After) and MCP pipelines
• Log rotation (10MB max, 3 rotated files)
• Config validation at startup with clear error messages
• Clean npm package surface (only dist/, README, LICENSE)
• Improved error messages and tool descriptions with format hints
• Corrected Flamingo contract operations (removed misleading staking ops)
• Removed 262 lines of dead code (unused transaction-monitor)
• Replaced all z.any() with z.unknown() in tool schemas

Migration Guide

See MIGRATION.md for upgrade instructions.

Stats

• 18 test suites, 337 tests, all passing
• 18 commits since v1.7.3
• Zero any, as any, or z.any() in production code

🤖 Generated with Claude Code

v1.7.3

Full Changelog: v1.7.2...v1.7.3

v1.7.2

Full Changelog: v1.7.1...v1.7.2

v1.7.1

Full Changelog: v1.7.0...v1.7.1

v1.7.0

Full Changelog: v1.6.4...v1.7.0

v1.6.4

Full Changelog: v1.6.1...v1.6.4

Release v1.6.2-0

Full Changelog: v1.6.1...v1.6.2-0