codex vs check-if-email-exists
codex and check-if-email-exists share 6 technologies: sqlx, Sentry, Tokio, tracing, tracing-subscriber, and log. Both are written in Rust.
LinkedInWhat they share and what sets them apart
openai
codex
Lightweight coding agent that runs in your terminal
Rust134.9kRead on November 12, 2026, at commit 6bfdc75What is codex built with?Only in codex
- axum
- codex-attachment-store
- codex-cloud-tasks-client
- codex-queue-extension
- codex-thread-store
- codex-utils-cache
- sqlx-sqlite
libsqlite3-sys
- lru
- SQLite
rama-http
- tiny_http
- tower
objc2-app-kit
- two-face
- codex-tui
- Ratatui
- crossterm
ansi-to-tui
- sqlx-macros
- codex-aws-auth
- codex-keyring-store
- codex-login
- codex-user-verification
- codex-websocket-auth
- codex-workload-identity
- oauth2
- keyring
- jsonwebtoken
- ed25519-dalek
- hmac
- codex-agent-graph-store
- codex-agent-identity
- codex-agent-message-board-client
- codex-agent-message-board-extension
- codex-agent-message-board-host
- codex-agent-roles
- codex-chatgpt
- codex-client
- codex-code-mode-runtime
- codex-collaboration-mode-templates
- codex-context-fragments
- codex-core-plugin-common
- codex-extension-api
- codex-external-agent-migration
- codex-guardian-context
- codex-guardian-reviewer
- codex-image-generation-extension
- codex-lmstudio
- codex-mcp
- codex-mcp-extension
- codex-memories-extension
- codex-memories-read
- codex-memories-write
- codex-message-board-mcp
- codex-model-provider
- codex-model-provider-info
- codex-models-manager
- codex-ollama
- codex-plugin-host
- codex-prompts
- codex-protocol
- codex-response-debug-context
- codex-runtime-agent-instance
- codex-skills
- codex-skills-extension
- codex-tools
- codex-web-search-extension
openai-codex-cli-bin
- rmcp
- mxc-sdk
- bm25
- codex-mermaid
- codex-utils-image
- codex-utils-template
- png
- image
- pulldown-cmark
- zip
- linkify
- quick-xml
- symphonia
- schemars
- Pydantic
- codex-otel-trace-websocket
- codex-rollout-trace
- tracelogging
- OpenTelemetry
- tracing-opentelemetry
opentelemetry-otlp
tracing-appender
In common
reacherhq
check-if-email-exists
Check if an email address exists without sending any email, written in Rust. Comes with a ⚙️ HTTP backend.
Rust10.5kRead on November 13, 2026, at commit d548bb4What is check-if-email-exists built with?Only in check-if-email-exists
Side by side
codexcheck-if-email-exists
SizeLines written by people and agents, without generated ones; code files, without tests.
codex2,400,707 lines written4,321 code files
check-if-email-exists8,417 lines written64 code files
Who writes itA commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
codex2.7% of its commits signed by AIWith Codex, Claude Code, and GitHub Copilot
check-if-email-exists1.1% of its commits signed by AIWith Claude Code and GitHub Copilot
ActivityFrom GitHub and its history, on the day SeeRepo read it.
codexLast push November 12, 202613,452 commits134,947 stars
check-if-email-existsLast push November 9, 20261,423 commits10,478 stars
TestsThe files that test the code, and the share of code files a test imports.
codex2,531 test files52% of its code files have a test that imports them
check-if-email-exists1 test file
Frequently asked questions
Which is bigger, codex or check-if-email-exists?
codex, with 2,400,707 lines written; check-if-email-exists has 8,417.
The proof: openai/codex's code at commit 6bfdc75
Which has more GitHub stars, codex or check-if-email-exists?
codex, with 134,947 stars; check-if-email-exists has 10,478.
The proof: openai/codex on GitHub
Which has more tests, codex or check-if-email-exists?
codex, with 2,531 test files; check-if-email-exists has 1.
The proof: openai/codex's code at commit 6bfdc75
Which was updated more recently, codex or check-if-email-exists?
codex: its last push was on November 12, 2026, and check-if-email-exists's on November 9, 2026.
The proof: openai/codex's commits on GitHub
Which has more commits signed by AI, codex or check-if-email-exists?
codex: an AI signed 2.7% of its commits, with Codex, Claude Code, and GitHub Copilot; in check-if-email-exists, 1.1%.
The proof: the commits each tool signed in openai/codex
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