agent-cost-mcp (vk0dev/agent-cost-mcp) is an MCP server listed on the M8ven Trust Index. It scores 60 out of 100, grade C. It declares 11 tools. No publisher has claimed this listing.

Caution

60/100

agent-cost-mcp

Item: agent-cost-mcp
Rating: 60
Author: M8ven

Local-first Claude Code cost analyzer. Parses JSONL session logs to surface per-tool spend, daily trends, and optimization hints.

→ vk0dev/agent-cost-mcp · listed on glama

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

vk0dev

Source: Glama · also listed on github_repo_search

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Install from

Glamanot scored here GitHub

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings

🚨

Secret credentials may flow to a network call

1 flow detected: SMITHERY_API_KEY. We can’t prove the destination matches the brand the credential belongs to.

⚠️

Known vulnerabilities in dependencies: 3 high

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: SMITHERY_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// tools this server exposes11 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

configure_budget

Set deterministic daily/session budget caps and alert thresholds for local cost guardrails. Does NOT enforce billing-side spend limits or notify external systems.

get_session_cost

Get a single Claude Code session cost summary with token totals and estimated USD cost from a session log. Does NOT fetch remote billing data, reconcile invoices, or infer missing logs.

get_tool_usage

Inspect which tools appear most often across one session or a filtered project log directory to spot context-heavy patterns. Does NOT measure per-tool token usage precisely or inspect live Claude Code sessions.

get_subagent_tree

Show a bounded parent-plus-subagent session tree for one local Claude Code session so nested cost attribution is easier to inspect. Does NOT infer hidden lineage beyond the available local JSONL files or reconstruct remote orchestration state.

get_tool_roi

Rank tools by a bounded heuristic ROI view using context share, linked result share, and estimated cost share from parsed local sessions. Does NOT claim exact per-tool billing attribution or infer true business value.

get_cost_trend

Roll session logs into a day-by-day cost trend for a local project path so you can watch spend move over time. Does NOT predict future spend, sync cloud analytics, or backfill missing timestamp history.

get_cost_forecast

Project a bounded local cost forecast from recent daily trend data so you can estimate upcoming spend. The forecast is deterministic, recency-weighted, non-seasonal, and local-first; confidence metadata and sparse-history adjustment may appear, but it does NOT model seasonality, external events, or …

detect_cost_anomalies

Flag unusually high or low daily cost spikes against the recent local baseline for a project. Does NOT stream alerts continuously, infer root cause automatically, or act as a longer-term monitoring system.

estimate_run_cost

Estimate the likely cost of a planned run before execution using prompt/output token assumptions and cache reuse. Does NOT inspect live runs, predict tool-level ROI, or model cache-creation writes beyond the bounded assumptions in the result.

set_monitor_webhook

Configure an alert webhook target for signed monitor events such as forecast/anomaly/cap notifications. Does NOT test the remote endpoint or manage webhook history.

suggest_optimizations

Generate lightweight optimization suggestions from one parsed session log after cost or tool-usage review. Does NOT rewrite prompts automatically, inspect source code, or stand in for a full human performance audit.

// known CVEs in dependencies3 high

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

high@modelcontextprotocol/sdk@1.12.0GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.0GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.0GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// environment variables

To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.

🔐 secretSMITHERY_API_KEY

// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

11/11 tools missing one or more hints — configure_budget (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_session_cost (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_tool_usage (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +8 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool inputs are validated

Only 0/11 tool handlers declare input schemas (0%)

Declare an inputSchema with zod/joi/yup on every tool definition.

Tool handlers catch errors

Only 2/11 tool handlers wrap calls in try/catch (18%)

Wrap each tool handler body in try/catch and return a structured error response.

Shell command execution

1 child_process call — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.12.0 (high), @modelcontextprotocol/sdk@1.12.0 (high)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail

The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.

// improvement guidance — verified publishers only

We have 6 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

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commit: 4c08a2a963fbbf64d6d1fd6412c7892e6bbd24cc

code hash: 1ef4cf4dd7dd2c1673bdeaf61bbc84905f10db4524d6aea2cc681f838221d71f

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