Mailtrap MCP Server
Mailtrap MCP Server is an MCP server published by Mailtrap, verified on MCP revision 2025-11-25; support for the current revision (2026-07-28) is not yet confirmed. It is the first-party server from Mailtrap. Last verified 2026-08-20.
Does Mailtrap MCP Server support the current MCP specification (2026-07-28)?
Not yet confirmed. Mailtrap MCP Server is verified on revision 2025-11-25; we have not confirmed support for the current revision (2026-07-28) as of 2026-08-20.
Is Mailtrap MCP Server a first-party (official) MCP server?
Yes. Mailtrap MCP Server is the first-party MCP server published by Mailtrap (last verified 2026-08-20).
How do I connect to Mailtrap MCP Server?
Mailtrap MCP Server is available via the package npm:mcp-mailtrap, the official MCP Registry under io.mailtrap/mcp, the source repository at https://github.com/mailtrap/mailtrap-mcp. Authentication: api_key. Transports: stdio.
Does Mailtrap MCP Server support MCP revision 2025-11-25?
Yes. Mailtrap MCP Server supports MCP revision 2025-11-25 (checked 2026-08-20).
Does Mailtrap MCP Server support MCP revision 2026-07-28?
No. Mailtrap MCP Server was checked against MCP revision 2026-07-28 and does not support it (checked 2026-08-20).
When were Mailtrap MCP Server's facts last verified?
2026-08-20. Each fact on this page links to the sources used to verify it.
Mailtrap's MCP server is first-party: published from the company's GitHub organization, documented on docs.mailtrap.io, and registered under the DNS-verified io.mailtrap namespace as "Official MCP Server for Mailtrap". It runs locally over stdio from the mcp-mailtrap npm package and authenticates to the Mailtrap platform with a MAILTRAP_API_TOKEN, plus a separate organization-scoped token for organization tools.
The registry record (0.6.0, published 2026-07-28) trails npm's latest 0.7.0 from 2026-08-04 by one minor version. No vendor surface names a supported MCP revision, so spec status is recorded as unknown.
Which MCP spec revisions does Mailtrap MCP Server support?
Mailtrap MCP Server has 2 verified spec-support records. Each row lists the revision, the verified status, the evidence URL, and the date that fact was last checked.
| Spec revision | Status | Last checked | Evidence |
|---|---|---|---|
| MCP 2025-11-25 | Supported | Source | |
| MCP 2026-07-28 | Not supported | Source |
How widely adopted is Mailtrap MCP Server?
Ranked #264 in The MCP 500 with Adoption Index 49.24 (snapshot , methodology v1).
| Measurement | Value | Source |
|---|---|---|
| Official MCP Registry | yes | API · |
| Docker MCP Catalog | no | API · |
| npm downloads (weekly) | 360 | API · |
| GitHub stars | 65 | API · |
| GitHub forks | 13 | API · |
| Last push | 2026-09-15T08:58:47Z | API · |
| Repository archived | no | API · |
Repository and package signals for Mailtrap MCP Server
Measured directly from the source registries, not asserted from a document. Each figure carries the date it was read; none of it affects the verified spec status above.
Repository as of
- Created
- Open issues
- 1
- Primary language
- TypeScript
- License (repository)
- MIT
- Continuous integration
- Present
- Tests
- Present
- Security policy
- None
Package (npm) as of
- Latest version
0.8.0- Last published
- First published
- Releases
- 16
- License (package)
- MIT
- Maintainers
- 1
- Direct dependencies
- 5
- Unpacked size
- 419 KB
- Registry signature
- Signed
- Build provenance
- No attestation
How was this verified, and what are the sources?
Verified · method: sdk-protocol-constant
· confidence 0.85 (Good).
- Official MCP Registry record io.mailtrap/mcp v0.6.0 (published 2026-07-28) - "Official MCP Server for Mailtrap", DNS-verified io.mailtrap namespace, npm package mcp-mailtrap, stdio transport, repository github.com/mailtrap/mailtrap-mcp, website docs.mailtrap.io MCP server guide - accessed
- mailtrap-mcp README - requires the MAILTRAP_API_TOKEN environment variable for all functionality, with a separate MAILTRAP_ORGANIZATION_API_TOKEN for organization tools; includes VS Code one-click install configuration for npx mcp-mailtrap - accessed
- npm registry metadata for mcp-mailtrap at published version 0.8.0, retrieved 2026-08-20 - declares a dependency on @modelcontextprotocol/sdk, which resolves to @modelcontextprotocol/sdk@1.30.0 - accessed
- Published artifact of @modelcontextprotocol/sdk@1.30.0, retrieved 2026-08-20 - the artifact declares LATEST_PROTOCOL_VERSION 2025-11-25 and carries no 2026-07-28 implementation. Read from the artifact itself, not from release notes - accessed