Ephemora Cell MCP — WASM Sandbox MCP server
WASM sandbox for MCP tools. WASI-isolated, fuel/memory/I/O capped, attested.
A89/100grade A
Adoption
Established
41 stars295 downloads/wk
Reviews
Write oneNobody has reviewed Ephemora Cell MCP — WASM Sandbox yet.
If you have run it, two minutes of your experience saves the next person an afternoon.
Ephemora Cell MCP — WASM Sandbox tools
No tool declarations could be read from the package source. They show once the server is installed.
Public scan report
scanner v0.1.8 · 2026-09-19 · same rubric, same numbers if you re-run it
no findings
- Code scan25 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancelast push 0 days ago15/15
- Maintainer identityregistry namespace matches repository owner6/10
Overall 89/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Grade history
- 2026-09-19restoreB → Ascore 89
- 2026-09-19restoreC → Bscore 71: Whole environment serialized (possible credential exfil)
Install directly
claude mcp add ephemora-cell-mcp -- uvx ephemora-cell
Ephemora Cell MCP — WASM Sandbox: common questions
- Is Ephemora Cell MCP — WASM Sandbox MCP server safe?
- Yes, by our scan: it is graded A (89/100). Read the Ephemora Cell MCP — WASM Sandbox safety report
- How do I install Ephemora Cell MCP — WASM Sandbox?
- It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
- Does Ephemora Cell MCP — WASM Sandbox need an API key?
- Not as far as the registry entry and our scan can tell: no credentials are declared or required.
- Is Ephemora Cell MCP — WASM Sandbox maintained?
- The last commit was in the last day (2026-09-19). The latest release is v1.0.3.