x402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.
IBM Granite via x402 is an MCP integration. X402 pay-per-use IBM Granite AI: chat, code, embeddings, analysis, forecasting. Pay USDC per call.
The published npm package is @three-ws/ibm-x402-mcp, version 1.1.3. Its declared MCP transport is stdio.
The package declares MCP_SVM_PAYMENT_ADDRESS (required): Solana wallet address that receives USDC payments from tool callers (server operator's receiving wallet). Required to accept x402 payments.; WATSONX_API_KEY (required): IBM Cloud API key used by the server to call watsonx.ai on behalf of end users. Create one at https://cloud.ibm.com/iam/apikeys.; WATSONX_PROJECT_ID: watsonx.ai project id scoping all inference calls. Find it under your project → Manage → General → Project ID. Provide this or WATSONX_SPACE_ID.; WATSONX_SPACE_ID: watsonx.ai deployment space id. Alternative to WATSONX_PROJECT_ID.; WATSONX_URL: Regional watsonx.ai inference host. Defaults to https://us-south.ml.cloud.ibm.com. Other regions: eu-de, eu-gb, jp-tok, au-syd, ca-tor.; WATSONX_MODEL_ID: Default chat/generation Granite model id. Defaults to ibm/granite-3-8b-instruct.; WATSONX_EMBED_MODEL_ID: Default embedding model id. Defaults to ibm/granite-embedding-278m-multilingual.; X402_FEE_PAYER_SOLANA: Solana account that sponsors transaction fees for x402 payments. Defaults to the three.ws fee payer.; X402_FACILITATOR_URL: x402 facilitator endpoint for payment verification and settlement. Defaults to https://facilitator.payai.network..
Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.
View the publisher’s registry entry · Project repository · Project website. This profile uses version 1.1.3 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.
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| Variable | Description | Required |
|---|---|---|
| MCP_SVM_PAYMENT_ADDRESS | Solana wallet address that receives USDC payments from tool callers (server operator's receiving wallet). Required to accept x402 payments. | Yes |
| WATSONX_API_KEY | IBM Cloud API key used by the server to call watsonx.ai on behalf of end users. Create one at https://cloud.ibm.com/iam/apikeys. | Yes |
| WATSONX_PROJECT_ID | watsonx.ai project id scoping all inference calls. Find it under your project → Manage → General → Project ID. Provide this or WATSONX_SPACE_ID. | Optional |
| WATSONX_SPACE_ID | watsonx.ai deployment space id. Alternative to WATSONX_PROJECT_ID. | Optional |
| WATSONX_URL | Regional watsonx.ai inference host. Defaults to https://us-south.ml.cloud.ibm.com. Other regions: eu-de, eu-gb, jp-tok, au-syd, ca-tor. | Optional |
| WATSONX_MODEL_ID | Default chat/generation Granite model id. Defaults to ibm/granite-3-8b-instruct. | Optional |
| WATSONX_EMBED_MODEL_ID | Default embedding model id. Defaults to ibm/granite-embedding-278m-multilingual. | Optional |
| X402_FEE_PAYER_SOLANA | Solana account that sponsors transaction fees for x402 payments. Defaults to the three.ws fee payer. | Optional |
| X402_FACILITATOR_URL | x402 facilitator endpoint for payment verification and settlement. Defaults to https://facilitator.payai.network. | Optional |
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