outlook-assistant
outlook-assistant is an MCP server published by littlebearapps, verified on MCP revision 2025-11-25; support for the current revision (2026-07-28) is not yet confirmed. Last verified 2026-08-20.
Does outlook-assistant support the current MCP specification (2026-07-28)?
Not yet confirmed. outlook-assistant 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 outlook-assistant a first-party (official) MCP server?
Undetermined. We have not verified the publisher relationship for outlook-assistant (as of 2026-08-20).
How do I connect to outlook-assistant?
outlook-assistant is available via the package npm:@littlebearapps/outlook-assistant, the official MCP Registry under io.github.littlebearapps/outlook-assistant, the source repository at https://github.com/littlebearapps/outlook-assistant. Authentication: unknown. Transports: stdio.
Does outlook-assistant support MCP revision 2025-11-25?
Yes. outlook-assistant supports MCP revision 2025-11-25 (checked 2026-08-20).
Does outlook-assistant support MCP revision 2026-07-28?
No. outlook-assistant was checked against MCP revision 2026-07-28 and does not support it (checked 2026-08-20).
When were outlook-assistant's facts last verified?
2026-08-20. Each fact on this page links to the sources used to verify it.
Microsoft Outlook MCP server - 22 tools for email, calendar, contacts, and mailbox management.
Which MCP spec revisions does outlook-assistant support?
outlook-assistant 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 outlook-assistant?
Ranked #190 in The MCP 500 with Adoption Index 51.21 (snapshot , methodology v1).
| Measurement | Value | Source |
|---|---|---|
| Official MCP Registry | yes | API · |
| Docker MCP Catalog | no | API · |
| npm downloads (weekly) | 922 | API · |
| GitHub stars | 37 | API · |
| GitHub forks | 16 | API · |
| Last push | 2026-09-09T09:24:18Z | API · |
| Repository archived | no | API · |
Repository and package signals for outlook-assistant
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
- 41
- Primary language
- JavaScript
- License (repository)
- MIT
- Continuous integration
- Present
- Tests
- Present
- Security policy
- Present
Declared topics: ai, ai-agents, automation, calendar, claude, claude-code, contacts, cursor, email, email-automation, llm, mcp, mcp-server, microsoft-365, microsoft-graph, microsoft-graph-api, model-context-protocol, outlook, productivity, windsurf — author-declared on the repository, not our taxonomy.
Package (npm) as of
- Latest version
3.9.1- Last published
- First published
- Releases
- 17
- License (package)
- MIT
- Maintainers
- 1
- Direct dependencies
- 2
- Unpacked size
- 553 KB
- Registry signature
- Signed
- Build provenance
- Attested
How was this verified, and what are the sources?
Verified · method: sdk-protocol-constant
· confidence 0.85 (Good).
- Official MCP Registry record for io.github.littlebearapps/outlook-assistant at version 3.9.1 - lists package npm:@littlebearapps/outlook-assistant and repository https://github.com/littlebearapps/outlook-assistant - accessed
- npm registry metadata for @littlebearapps/outlook-assistant at published version 3.9.1, 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