Capacities MCP server
Connect an AI assistant to a Capacities space (objects, daily notes, search).
B70/100grade B
Adoption
New
Little public usage data yet
Reviews
Write oneNobody has reviewed Capacities yet.
If you have run it, two minutes of your experience saves the next person an afternoon.
Capacities tools
Tool list not cached yet. `describe` through the gateway fetches it live.
Public scan report
scanner v0.1.5 · 2026-09-19 · same rubric, same numbers if you re-run it
1 low
- –Code scanremote-only server, no package to scann/a
- Live reliabilityremote reachable in 562ms (auth required)20/20
- –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
- Auth qualityOAuth resource metadata advertised on 40115/15
- Maintenanceno repository listed3/15
- Maintainer identityverified namespace with website, no repo4/10
Findings (1)
- lowNo source repository listed
maint.no-repo
Overall 70/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Install directly
claude mcp add --transport http mcp https://api.capacities.io/mcp
Capacities: common questions
- Is Capacities MCP server safe?
- Mostly: it is graded B (70/100). Read the Capacities safety report
- How do I install Capacities?
- It runs remotely at api.capacities.io. Add it to Claude Code, Claude Desktop or Cursor with the snippets above, or call it through the mcp.market gateway without installing anything.
- Does Capacities need an API key?
- No key to paste: it signs you in with OAuth when your client connects.
- Is Capacities maintained?
- The latest release is v1.0.0.
- Is Capacities up?
- 100% of our last 6 checks got an answer. We check remote servers about four times a day.
- What can I use instead of Capacities?
- Servers from other publishers that do the same job: Silica Core MCP server, Apple Notes MCP server and Smithsonian MCP server. Compare all Capacities alternatives.
Alternatives to Capacities
Same job from other publishers: the closest match first, then the best rated.
- Silica CoreRetrieval over the folder the session opened: files, search, read, code_pack, write_note.not reviewedEstablishedA
Apple NotesSearch, read and act on Apple Notes — folders, attachments, writes off by defaultnot reviewedGrowingA- SmithsonianSearch 14.5M Smithsonian Open Access objects, get CC0 images, find cross-collection connections.not reviewedGrowingA
- JoplinSearch, read, create, edit and sync Joplin notes and notebooks via a headless Joplin sidecar.not reviewedGrowingB
