Developer Tools & Repos MCP Servers for Codex CLI

Embedded/IoT mentor: picks the board and toolchain, estimates cost and battery life.

EmojiHub MCP — wraps EmojiHub API (free, no auth)

Unix timestamps, DST-aware time zone conversion, durations, cron schedules, and holiday countdowns

ESLint rules key count, body discarded

Current local time in Etc/GMT.

Current local time in Etc/UTC.

MCP server for Ethereum wallet generation and HD wallet operations

Current local time in Europe/Riga.

Premium agentic endpoint for deadlock-resolver-mcp.

Kotlin compile-time SQL library. Docs, code validation, and SQLite execution tools.

Expires HTTP-date shape, value discarded

13 deterministic agent utilities: timezone, cron, RRULE, currency, regex, diff, hashing & more.

Validation suite: EU VAT (VIES), IBAN mod-97, email (MX+disposable), geo place lookup, VIN decode.

Renamed to FactReason. Now published as io.github.factreason/factreason — please use that entry.

Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.

Automatic MCP server generator for FastAPI applications - converts FastAPI endpoints to MCP tools for LLM integration

Check whether a path looks safe. No disk access.

Firebase push-id charset, value discarded

Firebase push-id time prefix, value discarded

Firebase PushID shape

FlatBuffers vtable shape, bytes discarded