Spraay X402 MCP Server
spraay-x402-mcp
npm
v4.3.0
Published by plagtech — 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.
Auto-syncing MCP server for the Spraay x402 Gateway. Auto-creates a wallet on first run — no env vars, just fund and go. Pay-per-call x402, USDC, no API keys.
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 − 4 = 96. 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 |
|---|---|
| −3 | capability blast radius (moderate) — client exposure if the model is manipulated |
| −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 2
medium Untrusted input can drive an external actionMTC-FLOW-005
Untrusted-input tools ([spraay_sctp_supplier_by_id, spraay_sctp_po_by_id, spraay_sctp_invoice_by_id, spraay_search_web]) co-exist with external-action tools ([spraay_notify_sms, spraay_webhook_register, spraay_webhook_test, spraay_webhook_delete]). A prompt injection could cause unwanted external actions, though no direct sensitive-data leak path was found.
Evidence: untrusted [spraay_sctp_supplier_by_id, spraay_sctp_po_by_id, spraay_sctp_invoice_by_id, spraay_search_web] → sinks [spraay_notify_sms, spraay_webhook_register,
Fix: Require confirmation for state-changing/egress actions triggered after processing untrusted content.
Location: flow spraay_sctp_supplier_by_id → spraay_notify_sms
medium Hardcoded egress to an external endpoint (dist/version-check.js)MTC-SRC-003
In the server's implementation (`dist/version-check.js:26`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: const res = await fetch(`https://registry.npmjs.org/${encodeURIComponent(name)}/latest`, { signal: con
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 dist/version-check.js
Tools 183
Each tool and what it can reach — statically extracted from the published source.
spraay_notify_smsnetwork egressspraay_sctp_invoice_by_idingests untrusted inputspraay_sctp_po_by_idingests untrusted inputspraay_sctp_supplier_by_idingests untrusted inputspraay_search_webingests untrusted inputspraay_webhook_deletenetwork egressspraay_webhook_registernetwork egressspraay_webhook_testnetwork egressspraay_agent_wallet_infono sensitive capabilityspraay_agent_wallet_predictno sensitive capability
Show 173 more tools ↓
spraay_agent_wallet_provisionno sensitive capabilityspraay_agent_wallet_revoke_keyno sensitive capabilityspraay_agent_wallet_session_keyno sensitive capabilityspraay_analytics_txhistoryno sensitive capabilityspraay_analytics_walletno sensitive capabilityspraay_audit_logno sensitive capabilityspraay_audit_queryno sensitive capabilityspraay_auth_sessionno sensitive capabilityspraay_auth_verifyno sensitive capabilityspraay_balancesno sensitive capabilityspraay_batch_estimateno sensitive capabilityspraay_batch_executeno sensitive capabilityspraay_bittensor_chat_completionsno sensitive capabilityspraay_bittensor_embeddingsno sensitive capabilityspraay_bittensor_healthno sensitive capabilityspraay_bittensor_images_generationsno sensitive capabilityspraay_bittensor_modelsno sensitive capabilityspraay_bridge_chainsno sensitive capabilityspraay_bridge_quoteno sensitive capabilityspraay_chatno sensitive capabilityspraay_classify_addressno sensitive capabilityspraay_classify_txno sensitive capabilityspraay_compute_batchno sensitive capabilityspraay_compute_embeddingsno sensitive capabilityspraay_compute_estimateno sensitive capabilityspraay_compute_futures_balanceno sensitive capabilityspraay_compute_futures_depositno sensitive capabilityspraay_compute_futures_executeno sensitive capabilityspraay_compute_futures_historyno sensitive capabilityspraay_compute_futures_pricingno sensitive capabilityspraay_compute_futures_refundno sensitive capabilityspraay_compute_image_generationno sensitive capabilityspraay_compute_modelsno sensitive capabilityspraay_compute_statusno sensitive capabilityspraay_compute_sttno sensitive capabilityspraay_compute_text_inferenceno sensitive capabilityspraay_compute_ttsno sensitive capabilityspraay_compute_video_generationno sensitive capabilityspraay_contract_readno sensitive capabilityspraay_contract_writeno sensitive capabilityspraay_cron_cancelno sensitive capabilityspraay_cron_createno sensitive capabilityspraay_cron_listno sensitive capabilityspraay_defi_positionsno sensitive capabilityspraay_escrow_cancelno sensitive capabilityspraay_escrow_createno sensitive capabilityspraay_escrow_fundno sensitive capabilityspraay_escrow_getno sensitive capabilityspraay_escrow_listno sensitive capabilityspraay_escrow_releaseno sensitive capabilityspraay_explain_contractno sensitive capabilityspraay_freeno sensitive capabilityspraay_free_agent_cardno sensitive capabilityspraay_free_chain_statusno sensitive capabilityspraay_free_chatno sensitive capabilityspraay_free_chat_modelsno sensitive capabilityspraay_free_convertno sensitive capabilityspraay_free_dex_pairsno sensitive capabilityspraay_free_dex_searchno sensitive capabilityspraay_free_dex_tokensno sensitive capabilityspraay_free_dex_trendingno sensitive capabilityspraay_free_estimate_batchno sensitive capabilityspraay_free_gasno sensitive capabilityspraay_free_modelsno sensitive capabilityspraay_free_nonceno sensitive capabilityspraay_free_pricesno sensitive capabilityspraay_free_resolveno sensitive capabilityspraay_free_timestampno sensitive capabilityspraay_free_uuidno sensitive capabilityspraay_free_validate_addressno sensitive capabilityspraay_free_validate_batchno sensitive capabilityspraay_free_x402_checkno sensitive capabilityspraay_gpu_modelsno sensitive capabilityspraay_gpu_runno sensitive capabilityspraay_gpu_statusno sensitive capabilityspraay_image_editno sensitive capabilityspraay_image_generateno sensitive capabilityspraay_image_statusno sensitive capabilityspraay_invoice_createno sensitive capabilityspraay_invoice_getno sensitive capabilityspraay_invoice_listno sensitive capabilityspraay_kyc_statusno sensitive capabilityspraay_kyc_verifyno sensitive capabilityspraay_logs_ingestno sensitive capabilityspraay_logs_queryno sensitive capabilityspraay_markets_kalshi_eventsno sensitive capabilityspraay_markets_kalshi_marketno sensitive capabilityspraay_markets_polymarket_eventsno sensitive capabilityspraay_markets_polymarket_marketno sensitive capabilityspraay_markets_polymarket_orderbookno sensitive capabilityspraay_markets_polymarket_tradesno sensitive capabilityspraay_markets_searchno sensitive capabilityspraay_modelsno sensitive capabilityspraay_notify_emailno sensitive capabilityspraay_notify_statusno sensitive capabilityspraay_oracle_fxno sensitive capabilityspraay_oracle_gasno sensitive capabilityspraay_oracle_pricesno sensitive capabilityspraay_payroll_estimateno sensitive capabilityspraay_payroll_executeno sensitive capabilityspraay_payroll_tokensno sensitive capabilityspraay_portfolio_nftsno sensitive capabilityspraay_portfolio_tokensno sensitive capabilityspraay_pricesno sensitive capabilityspraay_research_biomedical_by_pmidno sensitive capabilityspraay_research_biomedical_relatedno sensitive capabilityspraay_research_biomedical_searchno sensitive capabilityspraay_research_chemistry_bioactivityno sensitive capabilityspraay_research_chemistry_compoundno sensitive capabilityspraay_research_chemistry_similarityno sensitive capabilityspraay_research_demographics_censusno sensitive capabilityspraay_research_demographics_datasetsno sensitive capabilityspraay_research_dictionary_defineno sensitive capabilityspraay_research_dictionary_phoneticsno sensitive capabilityspraay_research_dictionary_synonymsno sensitive capabilityspraay_research_papers_by_authorno sensitive capabilityspraay_research_papers_by_doino sensitive capabilityspraay_research_papers_citationsno sensitive capabilityspraay_research_papers_searchno sensitive capabilityspraay_research_papers_trendingno sensitive capabilityspraay_research_preprints_by_idno sensitive capabilityspraay_research_preprints_recentno sensitive capabilityspraay_research_preprints_searchno sensitive capabilityspraay_research_scholarly_by_doino sensitive capabilityspraay_research_scholarly_citations_countno sensitive capabilityspraay_research_scholarly_journal_infono sensitive capabilityspraay_research_scholarly_searchno sensitive capabilityspraay_resolveno sensitive capabilityspraay_robots_completeno sensitive capabilityspraay_robots_deregisterno sensitive capabilityspraay_robots_listno sensitive capabilityspraay_robots_profileno sensitive capabilityspraay_robots_registerno sensitive capabilityspraay_robots_statusno sensitive capabilityspraay_robots_taskno sensitive capabilityspraay_robots_updateno sensitive capabilityspraay_rpc_callno sensitive capabilityspraay_rpc_chainsno sensitive capabilityspraay_sctp_invoiceno sensitive capabilityspraay_sctp_invoice_verifyno sensitive capabilityspraay_sctp_payno sensitive capabilityspraay_sctp_pono sensitive capabilityspraay_sctp_supplierno sensitive capabilityspraay_search_extractno sensitive capabilityspraay_search_qnano sensitive capabilityspraay_solana_helius_assetno sensitive capabilityspraay_solana_helius_assets_by_ownerno sensitive capabilityspraay_solana_jupiter_quoteno sensitive capabilityspraay_solana_jupiter_swap_txno sensitive capabilityspraay_solana_pyth_priceno sensitive capabilityspraay_solana_pyth_pricesno sensitive capabilityspraay_stellar_batchno sensitive capabilityspraay_stellar_estimateno sensitive capabilityspraay_stocks_companyno sensitive capabilityspraay_stocks_historyno sensitive capabilityspraay_stocks_priceno sensitive capabilityspraay_stocks_searchno sensitive capabilityspraay_storage_getno sensitive capabilityspraay_storage_pinno sensitive capabilityspraay_storage_statusno sensitive capabilityspraay_summarizeno sensitive capabilityspraay_swap_executeno sensitive capabilityspraay_swap_quoteno sensitive capabilityspraay_swap_tokensno sensitive capabilityspraay_tax_calculateno sensitive capabilityspraay_tax_reportno sensitive capabilityspraay_tokensno sensitive capabilityspraay_webhook_listno sensitive capabilityspraay_xmtp_inboxno sensitive capabilityspraay_xmtp_sendno sensitive capabilityspraay_xrp_batchno sensitive capabilityspraay_xrp_estimateno sensitive capabilityspraay_xrp_infono sensitive capability
Toxic flows 1
Cross-tool combinations that form a data-exfiltration primitive (untrusted input → sensitive source → external sink).
What this scan could not see
- Tools were statically extracted from the published source (183 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 1
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 |
|---|---|---|---|---|
v4.3.0 latest |
A 96/100 | 2 | 1.13.0 | 2026-09-08 |
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.
npx mcptrustchecker scan spraay-x402-mcp --onlineMore in Finance & Commerce
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Signed verification attestations for agent decisions: business, price, freshness, claim checks.
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