Awslabs Billing Cost Management MCP Server
awslabs-billing-cost-management-mcp-server
PyPI
v0.0.36
Published by awslabs — 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.
A Model Context Protocol (MCP) server that provides tools for AWS Billing and Cost Management by wrapping boto3 SDK functions.
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 − 1 = 99. 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 |
|---|---|
| −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 1
low Dynamic module load from a non-literal in packaging/dev tooling (tests/tools/test_cost_explorer_operations.py)MTC-SRC-005
In a packaging/dev/install script (shipped, but not the server runtime) (`tests/tools/test_cost_explorer_operations.py:572`): 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: original_parse_json = __import__( 'awslabs.billing_cost_management_mcp_server.utilities.aws_service_base',
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 tests/tools/test_cost_explorer_operations.py
Tools 7
Each tool and what it can reach — statically extracted from the published source.
free-tier-usageno sensitive capabilitylist-custom-line-item-versionsno sensitive capabilitylist-pricing-plans-for-ruleno sensitive capabilitylist-pricing-rules-for-planno sensitive capabilitysp-explorerno sensitive capabilitysp-purchase-analyzerno sensitive capabilitysp-recommendationno sensitive capability
What this scan could not see
- Tools were statically extracted from the published source (7 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 8
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 |
|---|---|---|---|---|
v0.0.36 latest |
A 99/100 | 1 | 1.13.0 | 2026-09-01 |
v0.0.35 |
A 99/100 | 1 | 1.13.0 | 2026-08-28 |
v0.0.34 |
A 99/100 | 1 | 1.13.0 | 2026-08-27 |
v0.0.33 |
A 99/100 | 1 | 1.13.0 | 2026-08-25 |
v0.0.32 |
A 99/100 | 1 | 1.12.1 | 2026-08-12 |
Show 3 more versions ↓
v0.0.31 |
A 99/100 | 1 | 1.12.1 | 2026-08-06 |
v0.0.30 |
A 99/100 | 1 | 1.12.1 | 2026-08-04 |
v0.0.29 |
A 99/100 | 1 | 1.12.1 | 2026-07-27 |
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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