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Ephemora Cell MCP — WASM Sandbox

WASM sandbox for MCP tools.

Connector by MichaelS1011 · GitHub account verified by the MCP Registry

IndexedBUSL-1.1Local (stdio)★ 48
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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/michaels1011-ephemora-cell-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

WASM sandbox for MCP tools. WASI-isolated, fuel/memory/I/O capped, attested.

Use cases: security-scanning

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list, install config and code. Checked Oct 25, 2026.

Tools
1 read · 0 write · 0 delete · 1 not yet classified
Secrets
None asked for
Install scripts
None found
Runs as
Python package

Tools by what they do 2

Read from the source code; the running server may list different tools.

Read 1 · Look things up without changing anything.

  • get-policy

Not yet classified 1 · We could not tell from the name and description.

  • widget

Network hosts it talks to 9

  • 169.254.169.254 · found in code
  • api.github.com · found in code
  • assemblyscript.org · found in code
  • ephemora.dev · found in code
  • github.com · found in code
  • pypistats.org · found in code
  • raw.githubusercontent.com · found in code
  • s3.amazonaws.com · found in code
  • ziglang.org · found in code

Files it touches

  • /dev/kvm
  • /dev/shm
  • /etc/passwd
  • /opt/wasi-python/lib/python3.10
  • /private/tmp
  • /private/var/folders
  • /tmp/ephemora_cell-8-vector-verify.json
  • /tmp/ephemora_cell-security-comparison.json
  • /tmp/ephemora_m11_0ee5af0d/target/wasm32-wasip1/release/hello.wasm
  • /tmp/ephemora_m11_17c97cec/target/wasm32-wasip1/release/hello.wasm
  • /tmp/ephemora-fc-bench.sock
  • /tmp/f
  • /tmp/l
  • /tmp/m11-harness
  • Your home directory (~)

Tools (2)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • get-policy

    Returns the effective sandbox policy for Cell tools ("Verified. Not claimed."): fuel budget, memory limit, threads, preopens (configured), network policy and the security baseline incl. wasmtime version. Pass {"tool": "<name>"} for one tool or no arguments for the whole registry.

  • widget

    governed-load replay tool

Compare and alternatives

    Featured in

    Signals

    Stars
    48
    Forks
    8
    Open issues
    5
    Contributors
    3
    Weekly downloads
    55
    Last commit
    Oct 15, 2026 (13 days ago)
    Last release
    Oct 5, 2026 (23 days ago)
    Last package publish
    Oct 5, 2026 (23 days ago)

    From GitHub (fetched Oct 24, 2026) and the package registry.

    Details

    Registry name
    io.github.MichaelS1011/ephemora-cell-mcp
    Version
    1.0.3
    Auth
    No auth
    Packages
    pypi ephemora-cell
    License
    BUSL-1.1
    Repository
    github.com/MichaelS1011/ephemora-cell
    Website
    github.com/MichaelS1011/ephemora-cell
    First seen
    Oct 24, 2026
    Last checked
    Oct 24, 2026
    Source
    Official MCP Registrygithub-graphql
    Cite this page

    Ephemora Cell MCP — WASM Sandbox. Agent Mart. https://agentmart.dev/connectors/michaels1011-ephemora-cell-mcp (last updated 2026-10-24)