keryx (tang-vu/keryx) is an MCP server listed on the M8ven Trust Index. It scores 40 out of 100, grade D. It declares 2 tools. No publisher has claimed this listing.
Enables AI agents to pay creators for each citation via the x402 micropayment protocol, with automatic research, grounded answers, and on-chain settlement.
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.
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tang-vu
Source: Glama
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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.
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.
researchkeryx_statusDescribe this MCP surface, its payment behavior, and the active caller tier.
Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes
Next.js has a Middleware / Proxy bypass in App Router applications via segment-prefetch routes - Incomplete Fix Follow-Up
Next.js has a Middleware / Proxy bypass in Pages Router applications using i18n
Next.js has a Middleware / Proxy bypass through dynamic route parameter injection
Next.js: Middleware / Proxy bypass in App Router applications using Turbopack and single locale
AGENT_FUNDER_PRIVATE_KEYWith ANTHROPIC_API_KEY + + NEXT_PUBLIC_KERYX_REGISTRY_ADDRESS itANTHROPIC_API_KEYWith + AGENT_FUNDER_PRIVATE_KEY + NEXT_PUBLIC_KERYX_REGISTRY_ADDRESS itBASE_URLBUYER_PRIVATE_KEYCONTENT_MASTER_KEYDEEPSEEK_API_KEYDEPLOYER_PRIVATE_KEYDISCORD_PUBLIC_KEYJWT_SECRETKERYX_A2A_FEEKERYX_A2A_MAX_BUDGETKERYX_ANON_MAX_BUDGETKERYX_BOT_KEYKERYX_CITATION_POOL_RATIOKERYX_DEFAULT_BUDGETKERYX_DEFAULT_FETCH_PRICEKERYX_DEV_WALLETSKERYX_EMBEDDING_API_KEYKERYX_EMBEDDING_BASE_URLKERYX_EMBEDDING_MODELKERYX_ENGINE_ALT_MODEL_RATIOKERYX_ENGINE_GAP_RETRY_RATIOKERYX_EXTERNAL_DISCOVERYKERYX_EXTERNAL_DISCOVERY_LIMITKERYX_GATEWAY_DEPOSITKERYX_GATEWAY_MINTERKERYX_GATEWAY_MIN_AVAILABLEKERYX_GATEWAY_WALLETKERYX_IPFS_GATEWAYKERYX_LLM_BASE_URLKERYX_LLM_CIRCUIT_COOLDOWN_MSKERYX_LLM_CIRCUIT_FAILURESKERYX_LLM_MODELKERYX_LLM_TIMEOUT_MSKERYX_MAX_CITATION_USDCKERYX_MAX_TIMEOUT_SECONDSKERYX_MCP_ALLOWED_ORIGINSKERYX_MIMO_BASE_URLKERYX_NETWORKKERYX_REEVALUATE_ROUNDSKERYX_REGISTRY_ADDRESSKERYX_REGISTRY_DEPLOY_BLOCKKERYX_REGISTRY_READ_ADDRESSKERYX_RPC_URLKERYX_RPC_WS_URLKERYX_SESSION_GRANT_TTLKERYX_SYNTHESIS_MODELKERYX_USDC_ADDRESSKERYX_WITHDRAW_FEE_RESERVEKERYX_WITHDRAW_MAX_FEEMIMO_API_KEYNEXT_DIST_DIROPENAI_API_KEYPINATA_JWTSELLER_ADDRESSSLACK_SIGNING_SECRETTELEGRAM_BOT_TOKENTELEGRAM_WEBHOOK_SECRETNEXT_PUBLIC_KERYX_REGISTRY_ADDRESSNEXT_PUBLIC_KERYX_REGISTRY_READ_ADDRESSNEXT_PUBLIC_KERYX_SETTLEMENT_WALLETNEXT_PUBLIC_SUPABASE_PUBLISHABLE_KEYNEXT_PUBLIC_SUPABASE_URLNEXT_PUBLIC_WC_PROJECT_IDSUPABASE_SERVICE_ROLE_KEYTool inputs are validated
1/2 tool handlers declare input schemas (50%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
1/2 tool handlers wrap calls in try/catch (50%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
1/2 tools referenced in tests (50%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
2 child_process calls — 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, 12 high severity in production deps — next@16.1.6 (high), next@16.1.6 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dev dependencies
2 critical/high in dev-only deps (does not ship to users)
Upgrade dev dependencies when convenient.
Dependency freshness
4/40 production deps abandoned (no release in 2+ years): topojson-client@2022-06-27 (4.1y), world-atlas@2022-06-29 (4.1y), rss-parser@2023-04-11 (3.3y)
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