Mmcp.market

Head to head

Atomic Mail vs dead-letter

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Atomic Mailio.github.Atomic-Mail/mcp
A
No reviews yet

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

Full listing
dead-letterio.github.BigCactusLabs/dead-letter
A
No reviews yet

Convert .eml email exports to clean Markdown for RAG, LLM pipelines, and local knowledge bases

Full listing

The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (93 and 92 out of 100). Atomic Mail is hosted and callable through the gateway; dead-letter runs on your own machine. Atomic Mail has noticeably more public adoption.

 Atomic Maildead-letter
User ratingNo reviews yetNo reviews yet
Safety gradeA93/100A92/100
AdoptionEstablishedGrowing
GitHub stars2608
Downloads / week129
Runs whereHosted (remote)Your machine (local)
Gateway-readyYesNo
Tools
Write actions
Price per callFreeFree
LicenceMITNOASSERTION
Last release2026-09-182026-09-19
CategoryEmailEmail

Other comparisons