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wyattjoh/jmap-mcp

MCP Developer Tools

A Model Context Protocol (MCP) server that provides tools for interacting with JMAP (JSON Meta Application Protocol) email servers. Built with Deno and using the jmap-jam client library.

Track releases GitHub
TypeScript Latest jmap-mcp-v0.6.4 · 3mo ago Security brief →

Features

  • Search emails with combined filters (text, sender/recipient, dates, keywords)
  • Retrieve specific emails or entire threads by ID
  • Mark, move, and delete emails via API
  • Compose and send new emails (plain text & HTML) and reply to existing ones
  • Incremental sync for email changes and search updates using state‑based delta tracking

Recent releases

View all 7 releases →
jmap-mcp-v0.6.4 Bug fix

Fixed missing fetchTextBodyValues and fetchHTMLBodyValues flags in Email.get calls.

Full changelog

0.6.4 (2026-04-24)

Bug Fixes

  • set fetchTextBodyValues/fetchHTMLBodyValues flags in Email.get calls (f97a681)
  • set fetchTextBodyValues/fetchHTMLBodyValues in Email.get calls (20dd4c9)
View release on GitHub
jmap-mcp-v0.6.2 Bug fix

Fixed reliable pagination in JMAP queries by adding calculateTotal.

Full changelog

0.6.2 (2026-04-13)

Bug Fixes

  • add calculateTotal to JMAP query calls for reliable pagination (5c85248)
  • add calculateTotal to JMAP query calls for reliable pagination (356406c)
View release on GitHub
jmap-mcp-v0.6.1 Bug fix

Added required `type` and `title` fields to each `userConfig` entry.

Full changelog

0.6.1 (2026-04-06)

Bug Fixes

  • add required type and title fields to userConfig entries (1c5d60c)
View release on GitHub
jmap-mcp-v0.6.0 New feature
Notable features
  • Added userConfig field in plugin manifest to specify JMAP credentials
Full changelog

0.6.0 (2026-04-06)

Features

  • add userConfig for JMAP credentials in plugin manifest (cdc352f)
View release on GitHub
jmap-mcp-v0.5.0 New feature
Notable features
  • Added Claude Code plugin with marketplace auto‑publishing
Full changelog

0.5.0 (2026-04-05)

Features

  • add Claude Code plugin with marketplace auto-publishing (bfcc71d)

Bug Fixes

  • add explicit type annotations to tool callback parameters (79c13b4)
View release on GitHub

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