mcp-x402-stripe-privy-solana_agent
MCP ServerFreeMCP server: mcp-x402-stripe-privy-solana_agent
Capabilities7 decomposed
stripe payment processing via mcp protocol
Medium confidenceExposes Stripe payment APIs through the Model Context Protocol, allowing LLM agents to initiate charges, create payment intents, and manage customer billing without direct API access. Implements MCP tool schema bindings that translate natural language agent requests into authenticated Stripe API calls with proper error handling and transaction state management.
Bridges Stripe's REST API into MCP's tool-calling schema, enabling LLM agents to execute payment operations through natural language without implementing custom Stripe SDK bindings — uses MCP's standardized function registry to abstract payment complexity
Simpler than building custom Stripe integrations for each agent framework; more secure than exposing Stripe keys directly to LLMs because credentials stay server-side in the MCP process
privy authentication and wallet abstraction
Medium confidenceIntegrates Privy's embedded wallet and authentication system through MCP, allowing agents to verify user identity, manage wallet connections, and access user credentials without direct blockchain interaction. Implements Privy's OAuth-like flow adapted for MCP's request/response model, with support for multi-chain wallet abstraction (Solana, Ethereum, etc.).
Wraps Privy's embedded wallet abstraction as MCP tools, allowing agents to query authenticated user wallets without managing private keys or blockchain RPC calls — delegates credential security to Privy's custody model
More secure than agents directly managing private keys; simpler than building custom wallet abstraction layers because Privy handles multi-chain normalization and user UX
solana blockchain interaction and transaction building
Medium confidenceProvides MCP tools for querying Solana blockchain state, building unsigned transactions, and preparing transaction payloads for signing. Uses Solana Web3.js library to construct transaction instructions, manage program interactions, and serialize transactions into formats compatible with Privy or other signers. Handles RPC communication with Solana validators through configurable endpoints.
Exposes Solana transaction building as MCP tools rather than requiring agents to import Web3.js directly, abstracting RPC communication and transaction serialization — allows agents to compose complex multi-instruction transactions through natural language
Safer than agents directly calling Solana RPC because MCP server validates transaction structure before returning; more flexible than pre-built transaction templates because agents can compose arbitrary instruction sequences
multi-chain wallet balance and state queries
Medium confidenceAggregates balance and account state queries across Solana and other blockchains (via Privy's wallet abstraction), returning normalized wallet data through a single MCP interface. Queries multiple RPC endpoints in parallel and caches results to reduce latency, with fallback logic if primary endpoints are unavailable.
Normalizes balance queries across heterogeneous blockchains (Solana, EVM chains) into a single MCP tool interface with parallel RPC calls and caching, eliminating the need for agents to manage chain-specific RPC logic
More efficient than sequential RPC calls because parallel queries reduce latency by 60-70%; more reliable than single-endpoint queries because fallback logic handles RPC downtime
agent-driven payment and transaction orchestration
Medium confidenceCoordinates multi-step workflows combining Stripe payments, Solana transactions, and Privy authentication through MCP's tool-calling interface. Implements state machine logic that sequences operations (authenticate user → check balance → initiate payment → build blockchain transaction → sign → execute), with error recovery and transaction rollback capabilities.
Chains Stripe, Solana, and Privy tools into coordinated workflows through MCP's sequential tool calling, with state tracking across payment and blockchain steps — enables agents to reason about multi-rail transactions without custom orchestration code
More flexible than pre-built payment APIs because agents can compose arbitrary sequences; more reliable than manual API chaining because MCP handles error propagation and state consistency
error handling and transaction recovery with agent feedback
Medium confidenceImplements structured error responses for failed payments, blockchain transactions, and authentication errors, with recovery suggestions that agents can act on. Maps Stripe error codes, Solana RPC errors, and Privy auth failures to actionable recovery steps (retry with backoff, use alternative payment method, re-authenticate), enabling agents to autonomously recover from transient failures.
Translates domain-specific errors (Stripe, Solana, Privy) into agent-actionable recovery suggestions through MCP, allowing agents to autonomously decide retry vs. escalation — implements error classification and recovery routing without requiring agents to parse raw API errors
More intelligent than generic retry logic because it understands error semantics; more autonomous than requiring human intervention because agents can execute recovery suggestions
mcp protocol compliance and tool schema definition
Medium confidenceImplements the Model Context Protocol specification for tool definition, request/response serialization, and error handling. Defines JSON schemas for each capability (Stripe payments, Solana transactions, Privy auth) that conform to MCP's tool-calling standard, enabling compatibility with any MCP-compliant client (Claude, custom LLM runners, etc.). Handles MCP's request/response lifecycle including parameter validation and type coercion.
Implements MCP as the primary integration layer rather than exposing raw APIs, ensuring compatibility with any MCP-compliant LLM client — uses MCP's standardized tool schema to abstract implementation details from clients
More portable than custom API integrations because MCP is an open standard; more discoverable than REST APIs because MCP supports tool introspection and documentation
Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.
Related Artifactssharing capabilities
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@phantom/mcp-server
MCP Server for Phantom Wallet
Solana MCP Server
Create and import Solana wallets, manage balances, and view account information. Transfer SOL and SPL tokens, request airdrops on devnet/testnet, and set up token accounts. Switch networks and inspect transactions to streamline development and testing.
Marinade Finance MCP Server
Explore Marinade documentation and get quick answers with direct links to official guides. Monitor real-time protocol state on Solana, including prices, rewards, and staking metrics. Manage liquid staking with mSOL, check balances, and send tokens between wallets.
sip
The sip MCP (Model Context Protocol) integration provides a powerful way to automate and manage Solana token swaps directly through an intelligent agent or system. It essentially turns complex blockchain interactions into easily callable "tools" within your MCP server.
solana-wallet-intelligence
Solana wallet health analysis platform and top-notch dev tool. Helps people and agents to recover their SOLs from burner and old wallets super securely. Features a complete trustless recovery flow natively via MCP: preview yields, build unsigned transactions, and sign locally.
Solana Dev Essentials
Search Solana documentation to quickly find concepts, guides, and examples. Inspect on-chain state by fetching balances, accounts, transactions, blocks, and slots. Create and manage wallets, sign messages, and request testnet airdrops to speed up development.
Best For
- ✓AI agent developers building payment-enabled applications
- ✓Teams implementing conversational commerce or AI-driven billing systems
- ✓Developers prototyping autonomous agents that need transaction capabilities
- ✓Developers building Web3 agents that require user authentication
- ✓Teams implementing multi-chain wallet support without managing private keys
- ✓Non-custodial application builders who want Privy's embedded UX in agent contexts
- ✓Solana dApp developers building autonomous agents
- ✓Teams implementing AI-driven trading or portfolio management on Solana
Known Limitations
- ⚠Requires valid Stripe API key with appropriate permissions — no fallback to test mode by default
- ⚠MCP protocol adds request/response serialization overhead (~50-100ms per transaction)
- ⚠No built-in idempotency tracking — duplicate agent requests may create duplicate charges without deduplication logic
- ⚠Limited to Stripe's synchronous API — webhook-based async operations require external orchestration
- ⚠Privy's embedded wallet requires browser context — MCP server cannot directly render Privy's UI, requiring separate client-side integration
- ⚠Session tokens have expiration windows — agents must handle token refresh or re-authentication flows
Requirements
Input / Output
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