MCP, MCP server
Agent Spreadsheet MCP
agent-spreadsheet is the tool interaction service for agent-based spreadsheet usage.
Compatibility: Not stated.
Grade B
Minor issues only, no Medium or High. Worth a quick look at the findings below before installing.
Not a guarantee. A hygiene check of the source at the commit shown, not a security audit.
Rescanned at commit 9cc6c5032184, unchanged since the check below.
NETWORK_NO_FIXED_HOST SECRETS_PATH_DOTENV PERMISSION_SHELL_DECLARED INSTALL_DOCUMENTED_INSTALLER OBFUSCATION_FILE_OVER_READ_CAP OBFUSCATION_FILE_CAP_REACHED
Why this grade
- NETWORK_NO_FIXED_HOST Low
Makes a network call whose host is not written as a fixed address.
install.sh, line 69
if command -v curl >/dev/null 2>&1; then - SECRETS_PATH_DOTENV Low
Mentions a .env file.
crates/agent-spreadsheet/src/recalc/fire_and_forget.rs, line 72
.env("HOME", "/tmp") - PERMISSION_SHELL_DECLARED Note
Runs shell commands, and the manifest or description says so.
tickets/47-just-bash-extension-and-registries/README.md, line 19
Spreadsheet WASM executes in the trusted host-side adapter, not inside just-bash's QuickJS worker. If `js-exec` is enabled, agent-authored JavaScript can invoke the registered `asp - INSTALL_DOCUMENTED_INSTALLER Note
Documentation shows an installer that pipes a download into a shell.
README.md, line 102
curl -fsSL https://raw.githubusercontent.com/PSU3D0/agent-spreadsheet/main/install.sh | sh - OBFUSCATION_FILE_OVER_READ_CAP Note
A file was over the read cap and was not fully read.
crates/agent-spreadsheet/src/cli/mod.rs, line 1
pub mod commands; - OBFUSCATION_FILE_CAP_REACHED Note
The 400 file cap was reached before every file was read.
crates/agent-spreadsheet/src/cli/mod.rs, line 1
pub mod commands;
Any High, or two or more Medium findings, give D. One Medium gives C. Low findings or a security Note give B. Each code names a finding behind the letter.
Grades are a hygiene check of the source at the commit shown, on the date checked, not a security audit or a guarantee. The free directory grades are automated. Before release, a PlugVet engineer reviews every paid report and any grade we hold back, including all F grades, against the source code and the evidence we quote.
What was checked
Plain notes from the hygiene checks.
Permissions
Note
requests shell access. The manifest names this permission.
PERMISSION_SHELL_DECLARED
tickets/47-just-bash-extension-and-registries/README.md, line 19
Spreadsheet WASM executes in the trusted host-side adapter, not inside just-bash's QuickJS worker. If `js-exec` is enabled, agent-authored JavaScript can invoke the registered `asp
Install and update
Note
README documents an installer that pipes a download into a shell.
INSTALL_DOCUMENTED_INSTALLER
README.md, line 102
curl -fsSL https://raw.githubusercontent.com/PSU3D0/agent-spreadsheet/main/install.sh | sh
README.md, line 108
curl -fsSL https://raw.githubusercontent.com/PSU3D0/agent-spreadsheet/main/install.sh | sh -s -- --mcp
Network
Concern
can reach a host that is not written as a fixed address.
NETWORK_NO_FIXED_HOST
install.sh, line 69
if command -v curl >/dev/null 2>&1; then
install.sh, line 71
elif command -v wget >/dev/null 2>&1; then
install.sh, line 74
echo "Installation requires curl or wget." >&2
Show more
install.sh, line 84
if [ "$downloader" = curl ]; then
install.sh, line 85
curl -fsSL --retry 2 --output "$download_dest" "$download_url"
install.sh, line 87
wget -q --tries=3 --output-document="$download_dest" "$download_url"
install.sh, line 93
if [ "$downloader" = curl ]; then
install.sh, line 94
curl -fsSL --output /dev/null --write-out '%{url_effective}' "$latest_url"
Secrets
Concern
reads a credential or environment file.
SECRETS_PATH_DOTENV
crates/agent-spreadsheet/src/recalc/fire_and_forget.rs, line 72
.env("HOME", "/tmp")
crates/agent-spreadsheet/src/recalc/fire_and_forget.rs, line 73
.env("XDG_CACHE_HOME", "/tmp/.cache")
crates/agent-spreadsheet/src/recalc/fire_and_forget.rs, line 74
.env("XDG_CONFIG_HOME", "/tmp/.config")
Show more
crates/agent-spreadsheet/src/recalc/screenshot.rs, line 95
.env("HOME", "/tmp")
crates/agent-spreadsheet/src/recalc/screenshot.rs, line 96
.env("XDG_CACHE_HOME", "/tmp/.cache")
crates/agent-spreadsheet/src/recalc/screenshot.rs, line 97
.env("XDG_CONFIG_HOME", "/tmp/.config")
crates/agent-spreadsheet/src/recalc/screenshot.rs, line 189
.env("HOME", "/tmp")
crates/agent-spreadsheet/src/recalc/screenshot.rs, line 190
.env("XDG_CACHE_HOME", "/tmp/.cache")
Agent instructions
Pass
No instruction to ignore earlier instructions or to hide a step.
Obfuscation
Note
a file was over the read cap and was not fully read. the file cap was reached before every file was read.
OBFUSCATION_FILE_OVER_READ_CAP OBFUSCATION_FILE_CAP_REACHED
crates/agent-spreadsheet/src/cli/mod.rs, line 1
pub mod commands;
crates/agent-spreadsheet/src/tools/fork.rs, line 1
use super::param_enums::{BatchMode, FillDirection, FormulaRelativeMode, ReplaceMatchMode};
crates/agent-spreadsheet/src/tools/mod.rs, line 1
pub mod filters;
Show more
crates/agent-spreadsheet/tests/cli_integration.rs, line 1
#![cfg(feature = "recalc")]
crates/agent-spreadsheet-mcp/tests/test_files/vba_minimal.xlsm, line 1
PK ! �++�� [Content_Types].xml �(�
npm/agent-spreadsheet/bin/agent-spreadsheet.js, line 1
#!/usr/bin/env node
Licence
Pass
A licence file is present (LICENSE).
Maintainer activity
Pass
The latest commit is within the last 365 days.
Note
Hygiene check of commit 9cc6c5032184. requests shell access. The manifest names this permission. README documents an installer that pipes a download into a shell. can reach a host that is not written as a fixed address. reads a credential or environment file. a file was over the read cap and was not fully read. the file cap was reached before every file was read.
Date and source
Date checked:
github.com
Commit graded: 9cc6c5032184b626e784ec20cdfb39ab5c6438f5
This link goes to the original host. PlugVet does not host or check what you download from there, and installing it is your own decision and risk.