string
Candidate MCP server tool list DERIVED from String's documented API operations (the ReadMe reference / llms.txt endpoint surface). String does not publish an official hosted/remote MCP server; this is a starting point mapping the marquee operations to MCP tools, not an authoritative provider manifest. Tools are named from the documented endpoints; management/auth operations are omitted in favor of the developer-facing quote/transact and read flows.
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Documentation
Documentation link · transport http
Tools
request_quote— Return the estimated cost of a transaction.execute_transaction— Execute a transaction (fiat on/off ramp, NFT purchase, cross-chain).list_contracts— List a game's registered smart contracts.get_contract— Get a specific registered smart contract by ID.list_networks— List supported blockchain networks.list_saved_cards— List a user's saved payment cards.get_user_status— Get a user's (player's) status.list_platforms— List platforms (games) under the organization.list_api_keys— List the organization's API keys.
About MCP
The Model Context Protocol (MCP) is an open protocol Anthropic introduced for connecting LLM-based agents to external tools and data sources. Providers publish MCP servers that expose their API surface as structured, discoverable tools — an MCP-compatible client (Claude Desktop, Cursor, Cline, Continue, etc.) can connect to the server and call its tools without any per-provider integration code.
Browse every MCP server on the APIs.io network or compare with the broader Agent Skill surfaces of the same providers.