Appium (appium) MCP Server
appium
npm
v3.5.2
Source verified
Published by appium — publish provenance cryptographically ties this package to that repository. That is proof of origin, not an official vendor package.
Every server starts at 100. These are the exact deductions the deterministic engine applied — each one reproducible, none of it an opinion or an LLM's guess:
| Points | What was found | Category |
|---|---|---|
| −6.3 | Package runs install-time scripts MTC-SUP-010 | supply-chain |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind the deduction.
Findings 9
high Shell/command execution in server code (build/lib/cli/extension-command.d.ts)MTC-SRC-002
In the server's implementation (`build/lib/cli/extension-command.d.ts:226`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: child_process
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server build/lib/cli/extension-command.d.ts
high Shell/command execution in server code (build/lib/cli/extension-command.js)MTC-SRC-002
In the server's implementation (`build/lib/cli/extension-command.js:47`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: child_process
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server build/lib/cli/extension-command.js
high Shell/command execution in server code (lib/cli/extension-command.ts)MTC-SRC-002
In the server's implementation (`lib/cli/extension-command.ts:24`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: child_process
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server lib/cli/extension-command.ts
high Shell/command execution in server code (lib/helpers/build.ts)MTC-SRC-002
In the server's implementation (`lib/helpers/build.ts:30`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: exec(
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server lib/helpers/build.ts
medium Dynamic module load from a non-literal (build/lib/cli/extension-command.js)MTC-SRC-005
In the server's implementation (`build/lib/cli/extension-command.js:446`): Loading a module chosen at runtime (from a variable) can pull in and run attacker-influenced code paths. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: import(scriptPath)
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server build/lib/cli/extension-command.js
medium Dynamic module load from a non-literal (build/lib/extension/extension-config.js)MTC-SRC-005
In the server's implementation (`build/lib/extension/extension-config.js:91`): Loading a module chosen at runtime (from a variable) can pull in and run attacker-influenced code paths. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: require(schemaPath)
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server build/lib/extension/extension-config.js
medium Dynamic module load from a non-literal (lib/cli/extension-command.ts)MTC-SRC-005
In the server's implementation (`lib/cli/extension-command.ts:650`): Loading a module chosen at runtime (from a variable) can pull in and run attacker-influenced code paths. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: import(scriptPath)
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server lib/cli/extension-command.ts
medium Dynamic module load from a non-literal (lib/extension/extension-config.ts)MTC-SRC-005
In the server's implementation (`lib/extension/extension-config.ts:125`): Loading a module chosen at runtime (from a variable) can pull in and run attacker-influenced code paths. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: require(schemaPath)
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server lib/extension/extension-config.ts
medium Package runs install-time scripts (postinstall)MTC-SUP-010
"appium" executes postinstall script(s) at install time. The large majority of malicious packages abuse install hooks to run code before you ever import them.
Fix: Review the scripts; install with --ignore-scripts where possible and vet what they do.
Location: package appium
What this scan could not see
- No tools were enumerated, so prompt-injection, capability and toxic-flow analysis had no tool surface to inspect. To grade a package’s real runtime tools, scan the running server: --command "npx -y <package>".
Versions
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v3.5.2 latest |
A 94/100 | 9 | 1.5.0 | 2026-07-22 |
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Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
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