{"passport":{"unfragile":{"@version":"1.0","version":"2026-05","artifact":{"id":"npm_npm-solvapaymcp","slug":"npm-solvapaymcp","name":"@solvapay/mcp","type":"mcp","url":"https://www.npmjs.com/package/@solvapay/mcp","page_url":"https://unfragile.ai/npm-solvapaymcp","categories":["mcp-servers"],"tags":[],"pricing":{"model":"open_source","free":true,"starting_price":null},"status":"active","verified":false},"capabilities":[{"id":"npm_npm-solvapaymcp__cap_0","uri":"capability://tool.use.integration.mcp.server.instantiation.with.solvapay.payment.context","name":"mcp server instantiation with solvapay payment context","description":"Creates a Model Context Protocol server instance pre-configured with SolvaPay-specific tool registry and OAuth bridge bindings. Uses the @modelcontextprotocol/sdk base server factory pattern, wrapping it with SolvaPay's payment domain context (merchant accounts, transaction routing, webhook handlers). The createSolvaPayMcpServer function initializes the server with built-in tool discovery and registers payment-specific resources without requiring manual schema definition.","intents":["I need to spin up an MCP server that understands payment operations and can route tool calls to SolvaPay APIs","I want to avoid boilerplate MCP server setup and get payment-domain tools registered automatically","I need to expose payment capabilities to Claude or other LLM clients via the MCP protocol"],"best_for":["Node.js developers building LLM agents with payment capabilities","Teams integrating SolvaPay into Claude Desktop or other MCP-compatible clients","Fintech startups prototyping AI-driven payment workflows"],"limitations":["Server lifecycle tied to Node.js process — no built-in clustering or horizontal scaling","Tool registry is static at initialization time — runtime tool registration requires server restart","No built-in persistence for server state — requires external state management for multi-instance deployments"],"requires":["Node.js 16+","SolvaPay merchant account with API credentials","@modelcontextprotocol/sdk installed","Valid OAuth configuration for chosen runtime (fetch or express)"],"input_types":["configuration object (merchant ID, API keys, webhook secrets)","tool definitions (JSON schema)"],"output_types":["MCP server instance","tool registry with callable handlers"],"categories":["tool-use-integration","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_1","uri":"capability://tool.use.integration.runtime.agnostic.oauth.bridge.adapter.fetch.express.variants","name":"runtime-agnostic oauth bridge adapter (fetch/express variants)","description":"Provides two parallel OAuth credential exchange implementations — one for fetch-based runtimes (Cloudflare Workers, Deno, edge functions) and one for Express.js servers — that normalize OAuth flows to a common interface. Each variant handles provider-specific token exchange, refresh token rotation, and credential storage without requiring developers to write OAuth boilerplate. The adapter abstracts away HTTP client differences (fetch vs axios) and server framework patterns (middleware vs handler functions).","intents":["I need OAuth to work in both serverless (fetch) and traditional Node.js (Express) environments without duplicating code","I want automatic token refresh and secure credential storage without implementing OAuth state machines myself","I need to support multiple OAuth providers (SolvaPay, third-party payment gateways) with a unified interface"],"best_for":["Teams deploying to multiple runtimes (Cloudflare + Express backends)","Developers building OAuth-gated payment integrations with minimal security surface","Fintech platforms requiring provider-agnostic credential management"],"limitations":["Credential storage is runtime-specific — fetch variant relies on KV stores or environment variables, Express variant requires external session/cache layer","No built-in PKCE support — assumes server-to-server OAuth flows only, not suitable for public/SPA clients","Token refresh logic is synchronous — high-concurrency scenarios may cause race conditions on token expiry"],"requires":["Node.js 16+ (Express variant) or modern fetch API (fetch variant)","OAuth provider credentials (client ID, client secret)","External credential storage (Redis, KV store, or session middleware for Express)"],"input_types":["OAuth authorization code","provider configuration (token endpoint, scopes)","stored refresh token"],"output_types":["access token","token metadata (expiry, scope)","refresh token (if applicable)"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_2","uri":"capability://tool.use.integration.payable.tool.registration.with.schema.based.function.binding","name":"payable tool registration with schema-based function binding","description":"Registers payment-specific tool handlers into the MCP tool registry using a declarative schema system (registerPayableTool function). Each tool definition includes JSON schema for inputs, output type hints, and a handler function that receives normalized payment context (merchant ID, transaction state, audit trail). The registration system validates schemas at initialization time and binds handlers to MCP's function-calling protocol, enabling LLMs to invoke payment operations with type safety and automatic input validation.","intents":["I want to expose specific payment operations (charge, refund, reconcile) as callable tools without writing MCP protocol boilerplate","I need input validation and type checking for payment tool calls to prevent malformed requests","I want to track which LLM calls triggered which payment operations for compliance and debugging"],"best_for":["Developers building AI agents that execute real payment transactions","Compliance teams needing audit trails for LLM-triggered financial operations","Teams integrating payment workflows into Claude or other MCP-aware LLM clients"],"limitations":["Schema validation is JSON Schema only — no custom validation logic or conditional constraints","Tool handlers are synchronous — async payment operations require wrapping in Promise.resolve() or explicit async/await","No built-in rate limiting or quota enforcement — requires external middleware to prevent LLM-driven payment spam","Audit trail is write-only — no query interface for retrieving historical tool invocations"],"requires":["MCP server instance (from createSolvaPayMcpServer)","JSON schema definitions for tool inputs","Handler function implementation","SolvaPay API credentials for payment operations"],"input_types":["tool schema (JSON Schema format)","handler function (TypeScript/JavaScript)","tool metadata (name, description)"],"output_types":["registered tool in MCP registry","audit log entry","payment operation result (transaction ID, status)"],"categories":["tool-use-integration","safety-moderation"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_3","uri":"capability://tool.use.integration.mcp.resource.discovery.and.tool.enumeration","name":"mcp resource discovery and tool enumeration","description":"Automatically discovers and exposes available payment tools and resources through the MCP resource protocol, allowing LLM clients to query what operations are available without hardcoding tool lists. The discovery mechanism scans the registered tool registry at runtime and generates MCP-compatible resource descriptions (name, description, input schema, output type). This enables dynamic tool discovery in Claude Desktop and other MCP clients that support resource enumeration.","intents":["I want Claude to automatically discover what payment operations are available without me manually listing them","I need to expose payment resources (merchant accounts, transaction history) as queryable MCP resources","I want LLM clients to understand the full capability surface of my payment integration"],"best_for":["Teams using Claude Desktop or other MCP clients with resource discovery UI","Developers building multi-tool payment agents that need dynamic capability awareness","Fintech platforms exposing payment APIs to non-technical LLM users"],"limitations":["Resource discovery is read-only — no mechanism to dynamically register new tools after server initialization","Discovery response includes all tools regardless of LLM permissions — requires external authorization layer to filter by user role","No caching of discovery results — high-frequency discovery queries may impact server performance"],"requires":["MCP server instance with registered tools","MCP client that supports resource discovery (Claude Desktop 1.0+)"],"input_types":["discovery query (optional filters)"],"output_types":["list of available tools with schemas","resource metadata (descriptions, input/output types)"],"categories":["tool-use-integration","search-retrieval"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_4","uri":"capability://automation.workflow.webhook.event.routing.and.async.payment.notifications","name":"webhook event routing and async payment notifications","description":"Routes incoming webhook events from SolvaPay (transaction completed, refund processed, dispute filed) to registered event handlers via an event emitter pattern. The webhook adapter validates webhook signatures using HMAC-SHA256, deserializes payment event payloads, and dispatches them to handler functions that can trigger side effects (database updates, LLM notifications, compliance alerts). Supports both synchronous handlers (return immediately) and asynchronous handlers (queue for background processing).","intents":["I need to react to payment events (successful charges, refunds) without polling the SolvaPay API","I want to validate webhook authenticity to prevent spoofed payment notifications","I need to trigger LLM agent actions when real-world payment events occur (e.g., notify user when refund completes)"],"best_for":["Teams building event-driven payment systems with real-time LLM notifications","Developers integrating SolvaPay webhooks into existing Node.js applications","Fintech platforms requiring compliance-grade webhook validation and audit trails"],"limitations":["Webhook signature validation requires webhook secret to be stored in environment — no built-in secret rotation","Handler execution is fire-and-forget for async handlers — no retry logic or dead-letter queue for failed handlers","Event ordering is not guaranteed if handlers are queued — concurrent processing may cause race conditions on state updates","No built-in deduplication — duplicate webhook deliveries from SolvaPay will trigger handlers multiple times"],"requires":["SolvaPay webhook secret (from merchant dashboard)","HTTP endpoint exposed to receive webhooks (public URL)","Event handler functions registered before webhook delivery","Express.js or fetch-based server to receive POST requests"],"input_types":["webhook payload (JSON)","webhook signature header (HMAC-SHA256)","event type (string)"],"output_types":["handler execution result","audit log entry","side effects (database writes, LLM calls)"],"categories":["automation-workflow","tool-use-integration"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_5","uri":"capability://safety.moderation.transaction.context.enrichment.and.audit.trail.generation","name":"transaction context enrichment and audit trail generation","description":"Automatically enriches payment tool handler context with transaction metadata (merchant ID, user ID, timestamp, LLM model/session ID) and generates immutable audit trail entries for every payment operation. The enrichment layer intercepts tool calls, extracts context from the MCP request envelope, and injects it into handler functions. Audit entries include the original LLM prompt, tool inputs, outputs, and any errors, enabling post-hoc compliance review and debugging of AI-driven payment decisions.","intents":["I need to know which LLM prompt caused which payment operation for compliance and debugging","I want immutable records of all payment decisions made by AI agents for regulatory audits","I need to correlate payment operations with LLM sessions to trace decision chains"],"best_for":["Compliance teams in fintech companies using AI for payment decisions","Developers debugging unexpected payment behavior triggered by LLM agents","Regulated financial institutions requiring audit trails for AI-driven transactions"],"limitations":["Audit trail storage is external — requires database or log aggregation service, no built-in persistence","Context extraction relies on MCP request envelope format — incompatible with non-MCP clients","Audit entries include full LLM prompts — may expose sensitive user data if prompts contain PII","No built-in redaction or masking — requires external log sanitization for compliance"],"requires":["MCP server instance with registered tools","External audit log storage (database, log aggregation service)","LLM client that includes session/model metadata in MCP requests"],"input_types":["MCP tool call request","handler function","transaction context (merchant ID, user ID)"],"output_types":["enriched handler context","audit log entry (JSON)","transaction result with metadata"],"categories":["safety-moderation","automation-workflow"],"confidence":0.5,"matches":0,"success_rate":0},{"id":"npm_npm-solvapaymcp__cap_6","uri":"capability://tool.use.integration.multi.provider.payment.tool.abstraction","name":"multi-provider payment tool abstraction","description":"Abstracts payment operations (charge, refund, reconcile) across multiple payment providers (SolvaPay, Stripe, PayPal) through a unified tool interface. Each provider has a backend implementation that translates normalized tool calls to provider-specific APIs, handles provider-specific error codes, and normalizes responses back to a common schema. The abstraction layer allows LLM agents to invoke payment tools without knowing which provider is configured, enabling provider switching without changing agent code.","intents":["I want to support multiple payment providers without duplicating tool definitions for each one","I need to switch payment providers (e.g., Stripe to SolvaPay) without retraining or reconfiguring my LLM agent","I want to abstract away provider-specific quirks (different error codes, API formats) from my agent logic"],"best_for":["Fintech platforms supporting multiple payment methods","Teams migrating between payment providers","Developers building payment agents that need provider flexibility"],"limitations":["Abstraction only covers common operations — provider-specific features (recurring billing, fraud detection) are not exposed","Error normalization is lossy — provider-specific error details are mapped to generic error codes, losing diagnostic information","Provider switching requires configuration change and server restart — no runtime provider selection per transaction","Response normalization may add latency if providers have different response formats"],"requires":["API credentials for each supported provider","Provider-specific SDK or HTTP client","Configuration specifying active provider"],"input_types":["normalized tool call (charge, refund, reconcile)","provider configuration"],"output_types":["normalized payment result (transaction ID, status, amount)","provider-agnostic error code"],"categories":["tool-use-integration","data-processing-analysis"],"confidence":0.5,"matches":0,"success_rate":0}],"trust":{"score":30,"verified":false,"data_access_risk":"high","permissions":["Node.js 16+","SolvaPay merchant account with API credentials","@modelcontextprotocol/sdk installed","Valid OAuth configuration for chosen runtime (fetch or express)","Node.js 16+ (Express variant) or modern fetch API (fetch variant)","OAuth provider credentials (client ID, client secret)","External credential storage (Redis, KV store, or session middleware for Express)","MCP server instance (from createSolvaPayMcpServer)","JSON schema definitions for tool inputs","Handler function implementation"],"failure_modes":["Server lifecycle tied to Node.js process — no built-in clustering or horizontal scaling","Tool registry is static at initialization time — runtime tool registration requires server restart","No built-in persistence for server state — requires external state management for multi-instance deployments","Credential storage is runtime-specific — fetch variant relies on KV stores or environment variables, Express variant requires external session/cache layer","No built-in PKCE support — assumes server-to-server OAuth flows only, not suitable for public/SPA clients","Token refresh logic is synchronous — high-concurrency scenarios may cause race conditions on token expiry","Schema validation is JSON Schema only — no custom validation logic or conditional constraints","Tool handlers are synchronous — async payment operations require wrapping in Promise.resolve() or explicit async/await","No built-in rate limiting or quota enforcement — requires external middleware to prevent LLM-driven payment spam","Audit trail is write-only — no query interface for retrieving historical tool invocations","builder identity is not verified yet","no observed match outcomes yet"],"rank_breakdown":{"adoption":0.05,"quality":0.39,"ecosystem":0.3,"match_graph":0.25,"freshness":0.75,"weights":{"adoption":0.25,"quality":0.25,"ecosystem":0.15,"match_graph":0.23,"freshness":0.12}},"observed_outcomes":{"matches":0,"success_rate":0,"avg_confidence":0,"top_intents":[],"last_matched_at":null},"maintenance":{"status":"active","updated_at":"2026-05-24T12:16:24.482Z","last_scraped_at":"2026-05-03T14:23:41.078Z","last_commit":null},"community":{"stars":null,"forks":null,"weekly_downloads":null,"model_downloads":null,"model_likes":null}},"distribution":{"claim_url":"https://unfragile.ai/submit?claim=npm-solvapaymcp","compare_url":"https://unfragile.ai/compare?artifact=npm-solvapaymcp"}},"signature":"JKRMsbPIV28G5lKh611zqFSAhQAUeXlIZRz0Bd4Yl1tS2SJxbghJ6bZ2iJAh26flwgmLtI9FLxaB0OMWvwymBA==","signedAt":"2026-06-20T20:47:23.681Z","signedBy":"unfragile.ai","version":1},"_links":{"self":"https://unfragile.ai/api/v1/passport/npm-solvapaymcp","artifact":"https://unfragile.ai/npm-solvapaymcp","verify":"https://unfragile.ai/api/v1/verify?slug=npm-solvapaymcp","publicKey":"https://unfragile.ai/api/v1/trust-passport-public-key","spec":"https://unfragile.ai/trust","schema":"https://unfragile.ai/schema.json","docs":"https://unfragile.ai/docs"}}