Is web-mcp@0.2.1 safe to install?

web-mcp@0.2.1

VERIFIED· install only

Publisher claims: "Enables agents to perform compact, cited web research within caller-set token caps, returning direct answers, short verbatim quotes, numbered sources, and noted gaps." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry GlamaPublisher andrhamm · publishing for 3 daysInstalls 0Last detonated 3d ago

$npx skills add web-mcp

Watch Report an issue

Coverage

Nothing executable in the bundle ran; the trace covers the install step only.

Tested: every file read, file written and host contacted by what ran
Not tested: use of the skill by an agent

What this means for the label: Verified here covers what ran. The server's tools were not exercised with a real credential, so nothing about their behavior is asserted; the credential summary below says what to do with that.

Before you give it your token

It will ask for: BRAVE_API_KEYBRAVE_API_KEY_FILEWEB_MCP_HTTP_TOKENConfiguration, not credentials: CLAUDE_BIN, WEB_MCP_CACHE_DIR, WEB_MCP_MODEL
Where it talks to: no vendor host named in the codeAlso brave.com — not the publisher's domain; check what for before connecting.
What the honeypot saw: no credential files read · no network
What we could not test: use of the skill by an agent

Connect it with a scoped credential, under the guard, and read the third-party hosts first. The code names brave.com as well as its own vendor. The guard injects BRAVE_API_KEY, BRAVE_API_KEY_FILE, WEB_MCP_HTTP_TOKEN only into requests to the host you bind (and its subdomains) and refuses the rest.

$vet-skills run --net declared -- <the server's command>

Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-11 and scored it 81/100 (Verified). In what ran, nothing we could detect went wrong: no undeclared network egress, no credential reads, no persistent instruction writes. What it does with a real credential was not observed; the static findings and the publisher carry the rest of the score. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations

t+CategoryObserved action

0.0sprocessno install scripts in bundle

0.0sprocessscript backend runs setup only

0.0sprocessno install scripts to re-run

Static findings

MEDIUM

URL to the cloud instance metadata addresstest/unit.test.ts:145 · URL to the cloud instance metadata address — reads the VM's credentialsawait assert.rejects(fetchPage("http://169.254.169.254/latest/meta-data"), { code: "blocked_url" });Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.

AST07

HIGH

Access to sensitive file pathssrc/claude.ts:13 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesconst e = { ...env };Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.

AST05

MEDIUM

URL using a raw public IP addresstest/research.test.ts:111 · URL using a raw public IP address — may bypass domain-based filteringconst url = "http://93.184.215.14/widget";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

URL using a raw public IP addresstest/reader.test.ts:7 · URL using a raw public IP address — may bypass domain-based filteringconst PUBLIC = "http://93.184.215.14";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

Access to sensitive file pathstest/http.test.ts:94 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesnew StdioClientTransport({ command: process.execPath, args: [ENTRY, ...args], env: { ...baseEnv(), ...env } });Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.

AST05

MEDIUM

Access to sensitive file pathstest/http.test.ts:23 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system files

const p = spawn(process.execPath, [ENTRY, ...args], { env: { ...baseEnv(), ...env }, stdio: ["ignore", "ignore", "pipe"] });

Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.

AST05

MEDIUM

URL using a raw public IP addresstest/extract.test.ts:31 · URL using a raw public IP address — may bypass domain-based filteringconst URL_ = "http://93.184.215.14/handbook";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

HTTP URL with a raw public IP addresstest/research.test.ts:111 · HTTP URL with a raw public IP address — a hard-coded destination that domain-based monitoring cannot nameconst url = "http://93.184.215.14/widget";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

HTTP URL with a raw public IP addresstest/extract.test.ts:31 · HTTP URL with a raw public IP address — a hard-coded destination that domain-based monitoring cannot nameconst URL_ = "http://93.184.215.14/handbook";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

HTTP URL with a raw public IP addresstest/reader.test.ts:7 · HTTP URL with a raw public IP address — a hard-coded destination that domain-based monitoring cannot nameconst PUBLIC = "http://93.184.215.14";Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

MEDIUM

Access to sensitive file pathstest/unit.test.ts:146 · Access to sensitive file paths — SSH keys, AWS credentials, env files, or system filesawait assert.rejects(fetchPage("file:///etc/passwd"), { code: "blocked_url" });Fix: Stop enumerating or reading credential locations; take secrets from a declared environment variable the user sets on purpose.

AST05

LOW

URL to a private-network addresstest/reader.test.ts:32 · URL to a private-network address — a LAN or development targetstub = stubFetch(() => new Response(null, { status: 302, headers: { location: "http://10.0.0.5/admin" } }));Fix: Replace encoded or assembled strings with plain literals and remove undeclared network calls.

AST07

Cost to the agent

Instructions loaded

≈32 tok

1 file · 36 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

Vulnerability advisories (OSV) cover npm and PyPI packages; this registry has no advisory database.