registry / @one-source/mcp / 5.17.0
@one-source/mcp@5.17.0
Blockchain data, Deepstate and Standard Reserve markets, live chain queries, and API docs
AI Security Review
scanned 4d ago · by lpm-firewall-aiThe flagged API key is supplied during a rate-limited OAuth connect request and validated against the OneSource API before token issuance. Runtime usage analytics are disclosed as anonymous, contain no keys, and can be disabled, so the reviewed behavior matches the package’s purpose.
Static reason
High-risk behavior combination matched malicious policy.
Trigger
A user submits an API key through the OAuth connect flow; analytics are sent during runtime when tools are used.
Impact
The inspected flows do not show credentials sent to an unrelated service or other harmful default action.
Mechanism
The submitted key is validated against the OneSource API. Runtime usage events go to the configured analytics endpoint, which defaults to 1s-analytics.vercel.app.
AI rationale
The flagged API key is supplied during a rate-limited OAuth connect request and validated against the OneSource API before token issuance. Runtime usage analytics are disclosed as anonymous, contain no keys, and can be disabled, so the reviewed behavior matches the package’s purpose.
Network endpoints2
api.onesource.io1s-analytics.vercel.app
Decision evidence
public snapshotAI called this Clean at 90.0% confidence as Benign with low false-positive risk.
Evidence for AI clean decision
- The manifest exposes the CLI and server factory as package entry points.
- The connect handler validates a submitted API key against the OneSource API, using the OneSource base URL by default.
- The key is accepted from the connect-submit request body and checked before an OAuth code is issued.
- The CLI only calls the connect handler for a rate-limited POST to /api/oauth/connect-submit.
- Analytics are disclosed as anonymous usage stats, default on, with an option to disable them.
- The analytics setup prompt says the events contain no personal data or keys and tells users how to turn analytics off.
Evidence against
Behavioral surface
CryptoEnvironmentVarsEvalFilesystemNetwork
HighEntropyStringsMinifiedPossibleObfuscationUrlStrings
Source & flagged code
4 flaggeddist/connect-page.jsView file
9const MIN_KEY_FAIL_MS = 250;
L10: // Accepts the base64url output of randomBytes(16) used as internalState in oauth.ts.
L11: const STATE_RE = /^[A-Za-z0-9_-]{1,100}$/;
...
L27: res.writeHead(status, JSON_HEADERS);
L28: res.end(JSON.stringify({ error }));
L29: }
...
L31: try {
L32: const base = (process.env.ONESOURCE_BASE_URL ?? 'https://api.onesource.io').replace(/\/+$/, '');
L33: const r = await fetch(`${base}/api/chain/chain-id?network=ethereum`, {
Critical
Credential Exfiltration
Source appears to send environment or credential material to an external endpoint.
dist/connect-page.jsView on unpkg · L99Trigger-reachable chain: manifest.bin -> dist/cli.js -> dist/connect-page.js
L9: const MIN_KEY_FAIL_MS = 250;
L10: // Accepts the base64url output of randomBytes(16) used as internalState in oauth.ts.
L11: const STATE_RE = /^[A-Za-z0-9_-]{1,100}$/;
...
L27: res.writeHead(status, JSON_HEADERS);
L28: res.end(JSON.stringify({ error }));
L29: }
...
L31: try {
L32: const base = (process.env.ONESOURCE_BASE_URL ?? 'https://api.onesource.io').replace(/\/+$/, '');
L33: const r = await fetch(`${base}/api/chain/chain-id?network=ethereum`, {
Critical
Trigger Reachable Dangerous Capability
A package entrypoint or install-time lifecycle script reaches a source file with blocking dangerous behavior.
dist/connect-page.jsView on unpkg · L9Findings
2 Critical2 High3 Medium6 Low
CriticalCredential Exfiltrationdist/connect-page.js
CriticalTrigger Reachable Dangerous Capabilitydist/connect-page.js
HighTrigger Reachable Credential Exfiltrationdist/connect-page.js
HighSemantic Analysis Limiteddist/register-docs-tools.js#virtual:normalized:round1
MediumNetwork
MediumEnvironment Vars
MediumStructural Risk Force Deep Review
LowNon Install Lifecycle Scripts
LowScripts Present
LowEval
LowFilesystem
LowHigh Entropy Strings
LowUrl Strings
Affected versions and remediation
This report applies to @one-source/mcp@5.17.0.
See all versions of @one-source/mcp for other recorded verdicts.
- Review the evidence and your use of @one-source/mcp@5.17.0 before allowing it. Restrict the permissions described in this report.
- Choose an independently verified alternative or release. This report does not establish that other versions are safe.
Evidence last updated: .
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