solinkify-mcp
Agentic payments on Solana: an agent can pay x402 / HTTP 402 paywalls in USDC, hold a pre-paid balance or a subscription, and buy datasets or settle store checkouts. All 15 tools run behind fail-closed spending caps ($1 per payment, $10 per day by default), and settlement is non-custodial through a program-owned escrow that releases 99% to the creator.
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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Zenidp
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
SOLANA_RPC_URLdevnet public RPC Solana RPCSOLINKIFY_API_URLSOLINKIFY_NETWORKdevnet mainnet-beta switches mints + default RPCSOLINKIFY_OWNER_WALLETpay_checkout Pay a pending checkout session; the merchant's order is marked paid. With : spends the owner's funds under on-chain capsSOLINKIFY_PROGRAM_IDSOLINKIFY_USER_AGENT), so Gate-protected sites answer with a clean 402SOLINKIFY_WALLET_BS58SOLINKIFY_WALLET_PATH / — (required) Agent walletSOLINKIFY_WALLET_PATH"": "/path/to/agent-keypair.json",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
16/16 tools missing one or more hints — datahub_search (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); datahub_buy (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); datahub_review (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +13 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
15/16 tool handlers declare input schemas (94%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 2/16 tool handlers wrap calls in try/catch (13%)
Wrap each tool handler body in try/catch and return a structured error response.
Tests exist
No test files found
Add tests that exercise each declared tool.
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.
Domain consistency
npm scope @solinkify doesn't match GitHub owner zenidp
Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.
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