v1.1.1

What's Changed

• Bump express-rate-limit from 8.2.1 to 8.3.0 in the npm_and_yarn group across 1 directory by @dependabot[bot] in #27
• Feature/rpc monitoring and UI optimization by @Johnaverse in #28
• Harden CSP, bundle UI assets locally, add Node engines constraint, optimize countChainsByTag, add unit tests by @Copilot in #30
• Feature/rpc monitoring and UI optimization by @Johnaverse in #29
• Source API version from package.json and validate infoURL protocol by @Copilot in #32
• Fix broken merge state: restore app.js functions, pkg import, and refactor collectRelationEdges by @Copilot in #34
• Fix missing pkg import in index.js causing 500 on GET / by @Copilot in #33
• Fix SonarQube issues and bump version to 1.1.0 by @Johnaverse in #31
• Release v1.1.1: Unified RPC health reporting, stricter route parsing, reduced cognitive complexity by @Copilot in #36
• Fix PR review feedback: JSDoc, CHANGELOG structure/encoding, Array.isArray guard by @Copilot in #37
• Release v1.1.1 by @Johnaverse in #35

Full Changelog: v1.1.0...v1.1.1

v1.0.11

Changelog

All notable changes to this project will be documented in this file.

v1.0.11 — 2026-02-22

• Added: improved error handling in rpcUtil.js to surface remote errors more clearly.
• Added: new integration checks in tests/integration to validate API responses.
• Fixed: several edge-case RPC race conditions that caused stale responses.
• Changed: updated dependency bumps and dev tooling (test runner & coverage).
• Docs: clarified usage examples in README.md and docs/TESTING.md.

v1.0.10 — 2026-01-15

• Added: lightweight health-check endpoint for mcp-server-http.js.
• Fixed: CORS header handling for API clients behind proxies.
• Tests: added unit tests for mcp-tools.js and increased coverage.
• Chore: refactored fetchUtil.js for clearer retry/backoff behavior.

v1.0.9 Latest — 2025-12-02

What's Changed

Code Quality & SonarQube

• Fixed multiple SonarQube issues
• Resolved deprecated Server import in MCP server files
• Refactored dataService.js to reduce cognitive complexity
• Refactored index.js to reduce code duplication
• Excluded test files from analysis
• Increased SonarQube coverage

MCP Improvements

• Added missing MCP tools:
  • get_sources
  • validate_chains
  • get_rpc_monitor
  • get_rpc_monitor_by_id
• Fixed MCP bugs
• Added MCP tests
• Added reset state when monitoring completes
• Enabled looping for RPC monitor

Testing

• Added additional testing for dataService
• Added more testing to increase coverage
• Fixed unit tests

Versioning & Maintenance

• Bumped version to v1.0.8
• Improved version control

Documentation

• Added Contributing section to README.md

General Fixes

• Various bug fixes and stability improvements

Full Changelog: v1.0.0...v1.0.9

---

This changelog was drafted from repository structure and test files; run git log --pretty=oneline v1.0.9..v1.0.11 to produce a commit-based changelog if you prefer exact commit messages.

v1.0.9

What's Changed

Code Quality & SonarQube

• Fixed multiple SonarQube issues
• Resolved deprecated Server import in MCP server files
• Refactored dataService.js to reduce cognitive complexity
• Refactored index.js to reduce code duplication
• Excluded test files from analysis
• Increased SonarQube coverage

MCP Improvements

• Added missing MCP tools:
  • get_sources
  • validate_chains
  • get_rpc_monitor
  • get_rpc_monitor_by_id
• Fixed MCP bugs
• Added MCP tests
• Added reset state when monitoring completes
• Enabled looping for RPC monitor

Testing

• Added additional testing for dataService
• Added more testing to increase coverage
• Fixed unit tests

Versioning & Maintenance

• Bumped version to v1.0.8
• Improved version control

Documentation

• Added Contributing section to README

General Fixes

• Various bug fixes and stability improvements

Full Changelog: v1.0.0...v1.0.9

v1.0.0

What's Changed

• Implement Fastify API service for multi-source blockchain chain data indexing by @Copilot in #1
• Add testnet indexing and chain relations support from multiple sources by @Copilot in #2
• Add reverse chain relations (mainnetOf, parentOf) and remove chains.json from relation indexing by @Copilot in #3
• Add /relations endpoints for querying chain relationship data by @Copilot in #4
• Index L2 relations from chains.json parent field by @Copilot in #5
• [WIP] Update return value for returning chain info by @Copilot in #6
• Fix RPC endpoint merging from chainlist.org/rpcs.json by @Copilot in #7
• Restructure /relations endpoint: nested object format by @Copilot in #9
• Add chain data validation endpoint to detect cross-source inconsistencies by @Copilot in #10
• Add MCP server with dual transport support (stdio + HTTP) for programmatic chain data access by @Copilot in #11
• Add bridge URL support to chain info API by @Copilot in #13
• Add docker-compose.yml for MCP endpoint on port 3001 by @Copilot in #14
• Add background RPC health probe capturing client and block height by @codex in #15
• Copilot/add async background task by @Johnaverse in #17
• Implement startRpcHealthCheck() function by @Copilot in #18
• Add optional HTTP/HTTPS proxy support for RPC requests by @Copilot in #19

New Contributors

• @codex made their first contribution in #15
• @Johnaverse made their first contribution in #17

Full Changelog: https://github.com/Johnaverse/chains-api/commits/v1.0.0