fuel-stations-spain-api (JGeek00/fuel-stations-spain-api) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: there is no public source to read and no endpoint we can reach, so there is nothing for us to inspect. No publisher has claimed this listing.

Back to MCP Trust Indexm8ven
C
Emerging
74/100
19 days ago

fuel-stations-spain-api

REST API that provides realtime prices about Spanish fuel stations.

→ JGeek00/fuel-stations-spain-api· listed on github_code

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

JGeek00

Source: github_code

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// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
🔐
You'll be asked for 1 credential: POSTGRES_PASSWORD
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies1 low

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

lowmorgan@1.10.1GHSA-4vj7-5mj6-jm8m

morgan vulnerable to Log Forging via unneutralized control characters in :remote-user

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.
configAPI_RESPONSE_LOGGING
configENABLE_MCPEnable or disable the MCP server No true
configHISTORIC_DATA_MAX_RANGEMaximum date range for historic price queries. Format: XyXm (e.g. 4y6m = 4 years and 6 months), Xy, or Xm. Minimum: 6m. No No limit
configLOG_FORMAT
configLOG_LEVEL
configMCP_ALLOWED_HOSTSComma-separated list of allowed Host headers No All allowed
configMCP_ALLOWED_ORIGINSComma-separated list of allowed origins for DNS rebinding protection. Use to allow all (development only). No All allowed
configMCP_MAX_SESSIONSMaximum number of concurrent MCP sessions No 100
configMCP_SESSION_CLEANUP_INTERVAL_MSInterval between MCP session cleanup runs (milliseconds) No 300000 (5 min)
configMCP_SESSION_TIMEOUT_MSMaximum idle time before an MCP session is cleaned up (milliseconds) No 86400000 (24 h)
configPOSTGRES_DATABASEPostgreSQL database name No —
configPOSTGRES_HOSTThese variables are optional. If is set (along with the other DB credentials), the application uses a persistent PostgreSQL database. Otherwise it runs with an in-memory database only.
🔐 secretPOSTGRES_PASSWORDPostgreSQL password No —
configPOSTGRES_PORTPostgreSQL port No 5432
configPOSTGRES_USERPostgreSQL username No —
configPRODUCTIONEnable production mode (used to activate Sentry) No false
configREALTIME_DATA_CRONCron expression for fetching realtime fuel prices No 0,30
Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.
deployPORT
deploySENTRY_DSN
// 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

8/8 tools missing one or more hints — compare_fuel_prices (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); find_cheapest_fuel (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); get_database_status (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +5 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

7/8 tool handlers declare input schemas (88%)

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

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 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/jgeek00-fuel-stations-spain-api-1sdf4h)](https://m8ven.ai/mcp/jgeek00-fuel-stations-spain-api-1sdf4h)
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commit: abe5fd3d02f3a7af63d93b062bc4c15cb94a7681
code hash: 31d7418c260df1a121dc9f248b8079bf36948ee69e959e2c437bb80ba14ad905
verified: 8/8/2026, 7:29:54 AM
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