Tjariy Code Interpreter MCP Server
tjariy-code-interpreter-mcp-server
npm
v1.0.0
Published by jariy17 — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
MCP server for AWS Bedrock AgentCore CodeInterpreter
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 0 = 100. What the published surface and source actually contain:
The deterministic scan raised no scored threat in the surface it inspected — the threat score stayed at 100. Capability observations and advisory notes are recorded but never lower it.
2. Client adoption risk — 100 − 7 = 93. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −6 | capability blast radius (high) — client exposure if the model is manipulated |
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
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 a deduction.
Findings 13
high Sensitive-source and external-sink co-existMTC-FLOW-004
Tools that read sensitive data ([read_files, list_files]) and tools that can send data out ([execute_code, execute_command]) are exposed together. An agent can move private data to the sink.
Evidence: sources [read_files, list_files] → sinks [execute_code, execute_command]
Fix: Keep secret-reading and egress capabilities on separate, separately-approved servers.
Location: flow read_files → execute_code
high Tool "execute_code" exposes command/code executionMTC-CAP-001
Tool "execute_code" appears to run shell commands or evaluate code (keyword "execute code" in tool name). Arbitrary execution driven by model input is one of the most dangerous MCP capabilities; combined with any untrusted input it becomes RCE.
Fix: Sandbox execution, allowlist commands/arguments, and never pass model output to a shell unescaped.
Location: tool execute_code
high Tool "execute_command" exposes command/code executionMTC-CAP-001
Tool "execute_command" appears to run shell commands or evaluate code (keyword "execute command" in tool name, parameter "command"). Arbitrary execution driven by model input is one of the most dangerous MCP capabilities; combined with any untrusted input it becomes RCE.
Fix: Sandbox execution, allowlist commands/arguments, and never pass model output to a shell unescaped.
Location: tool execute_command
medium Tool "write_files" can modify the filesystemMTC-CAP-002
Tool "write_files" can write, overwrite or delete files (keyword "write_file" in tool name). Verify it is scoped to a safe directory.
Fix: Constrain file operations to an explicit, non-sensitive root; reject path traversal.
Location: tool write_files
medium Tool "remove_files" can modify the filesystemMTC-CAP-002
Tool "remove_files" can write, overwrite or delete files (keyword "remove_file" in tool name). Verify it is scoped to a safe directory.
Fix: Constrain file operations to an explicit, non-sensitive root; reject path traversal.
Location: tool remove_files
medium Unconstrained command parameter "code" on "execute_code"MTC-CAP-006
Tool "execute_code" takes a command-shaped parameter "code" with no enum/pattern constraint. Free-form, model- or attacker-controlled arguments reaching a shell is the command-injection precondition.
Fix: Constrain the parameter (enum/pattern), or build the command from a fixed template with escaped args.
Location: tool execute_code · inputSchema.properties.code
medium Unconstrained command parameter "command" on "execute_command"MTC-CAP-006
Tool "execute_command" takes a command-shaped parameter "command" with no enum/pattern constraint. Free-form, model- or attacker-controlled arguments reaching a shell is the command-injection precondition.
Fix: Constrain the parameter (enum/pattern), or build the command from a fixed template with escaped args.
Location: tool execute_command · inputSchema.properties.command
low Mutating tool "execute_code" declares no destructiveHintMTC-CAP-005
Tool "execute_code" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.
Fix: Declare accurate annotations, and gate destructive tools on user confirmation regardless.
Location: tool execute_code
low Mutating tool "execute_command" declares no destructiveHintMTC-CAP-005
Tool "execute_command" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.
Fix: Declare accurate annotations, and gate destructive tools on user confirmation regardless.
Location: tool execute_command
low Mutating tool "write_files" declares no destructiveHintMTC-CAP-005
Tool "write_files" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.
Fix: Declare accurate annotations, and gate destructive tools on user confirmation regardless.
Location: tool write_files
low Mutating tool "remove_files" declares no destructiveHintMTC-CAP-005
Tool "remove_files" can mutate/egress but declares no destructiveHint. Clients that don't default to spec-safe behavior may not prompt before running it.
Fix: Declare accurate annotations, and gate destructive tools on user confirmation regardless.
Location: tool remove_files
low Unconstrained path parameter "path" on "write_files"MTC-CAP-008
Tool "write_files" takes a path parameter "path" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.
Fix: Resolve and verify the path stays within an allowed root; reject traversal sequences.
Location: tool write_files · inputSchema.properties.path
low Unconstrained path parameter "path" on "list_files"MTC-CAP-008
Tool "list_files" takes a path parameter "path" with no constraint. Without a canonicalize-and-contain check (not visible statically), this permits ../ traversal outside the intended root.
Fix: Resolve and verify the path stays within an allowed root; reject traversal sequences.
Location: tool list_files · inputSchema.properties.path
Tools 10
Each tool and what it can reach — statically extracted from the published source.
execute_coderuns code / shellexecute_commandruns code / shelllist_filesreads sensitive dataread_filesreads sensitive dataremove_fileswrites fileswrite_fileswrites filesget_sessionno sensitive capabilitylist_sessionsno sensitive capabilitystart_sessionno sensitive capabilitystop_sessionno sensitive capability
Toxic flows 1
Cross-tool combinations that form a data-exfiltration primitive (untrusted input → sensitive source → external sink).
What this scan could not see
- Tools were statically extracted from the published source (10 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Versions 1
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 |
|---|---|---|---|---|
v1.0.0 latest |
A 93/100 | 13 | 1.13.0 | 2026-09-07 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
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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