io.github.Nomadu27/insaits

What we checked

Six static checks, weighted by risk. Every result reflects only what could be observed in the published package and repository — never intent.

• Injection surface

  unscannable25% of grade

  Tool descriptions/manifest scanned for instruction-injection patterns (imperatives at the model, hidden text, 'ignore previous', data-exfil URLs).

  No tool descriptions, server instructions, prompts, or resources were fetched; nothing to scan for injection.

• Supply chain

  pass25% of grade

  Package provenance: namespace verification, repo linkage, maintainer count, account age, postinstall scripts, typosquat distance.

  Python build script has no build-time network/exec; repository linkage verified

• Credential hygiene

  fail15% of grade

  How the server takes secrets (env vs plaintext config vs hardcoded); secrets appearing in tool schemas.

  insa_its/detectors/credential_pattern.py: embeds a PRIVATE KEY block. tests/test_credential_pattern.py: embeds a PRIVATE KEY block. (in an example/sample file — lower severity, but a real key here still leaks.) tests/test_credential_pattern.py: contains a hardcoded Google API key (AIza…6Q (len 39)) — in an example/sample file; verify it is not a real key. tests/test_credential_pattern.py: contains a hardcoded JWT (eyJh…8U (len 108)) — in an example/sample file; verify it is not a real key. tests/test_credential_pattern.py: assigns a literal to api_key (a1b2…m3 (len 26)) — non-provider secret literal; prefer environment intake. tests/test_open_core.py: assigns a literal to api_key (test…00 (len 13)) — non-provider secret literal; prefer environment intake. Reads secrets from the environment (e.g. insa_its/config.py) — the recommended intake shape.

• Permission scope

  fail15% of grade

  Declared tools vs. breadth (filesystem, network, exec); flags shell-exec and unbounded filesystem access.

  HIGH: insa_its/detectors/tool_call_frequency.py: references a sensitive credential path (\.ssh/) — the tool-poisoning exfiltration target. discloses dynamic code execution: insa_its/mcp/server.py: uses eval/exec/__import__ discloses broad/destructive filesystem access: insa_its/ai_monitor.py: open(…, 'w'/'a'/'x') write-mode file access discloses broad/destructive filesystem access: insa_its/lineage_oracle.py: open(…, 'w'/'a'/'x') write-mode file access discloses broad/destructive filesystem access: insa_its/mcp/server.py: open(…, 'w'/'a'/'x') write-mode file access discloses broad/destructive filesystem access: insa_its/monitor.py: path traversal ('../') combined with file access discloses broad/destructive filesystem access: insa_its/security.py: destructive filesystem call (shutil.rmtree/os.remove/etc.) discloses broad/destructive filesystem access: tests/test_audit.py: open(…, 'w'/'a'/'x') write-mode file access discloses broad/destructive filesystem access: tests/test_v2_features.py: destructive filesystem call (shutil.rmtree/os.remove/etc.) Capability DISCLOSURE, not a verdict: static analysis sees the primitive is present and reachable, not whether its use is attacker-controlled.

• Version behavior

  unscannable10% of grade

  Diff of tool definitions between versions; new permissions or changed descriptions in a patch release (the postmark-mcp class).

  no prior version to diff (first sight of io.github.Nomadu27/[email protected]); version-drift / rug-pull cannot be evaluated. Cold-start risk is covered by point-in-time checks (injection_surface, supply_chain, credential_hygiene), not here.

• Transport config

  warn10% of grade

  Remote servers: TLS and auth mode (none/token/OAuth). Local servers: whether the manifest indicates it phones home.

  manifest/source references tracking behavior — disclosure