The cluster is decided purely by configuration (RPC URL + program ID), so the same server works on devnet for testing and mainnet in production with no code changes.
txtcel-mcp is an MCP project maintained in the txtcel/txtcel-mcp repository. The maintainer describes its purpose as “The cluster is decided purely by configuration (RPC URL + program ID), so the same server works on devnet for testing and mainnet in production…”. Read the project documentation for the complete scope.
The documented npm package is @txtcel/mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares TXTCEL_RPC, TXTCEL_PROGRAM_ID, TXTCEL_KEYPAIR. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"txtcel": {
"command": "npx",
"args": [
"-y",
"@txtcel/mcp"
],
"env": {
"TXTCEL_RPC": "<your mainnet RPC endpoint>",
"TXTCEL_PROGRAM_ID": "TXTCELhcJEVUMoMJxapBN7fsrX5rZ8Dr4dWDvkmboGY",
"TXTCEL_KEYPAIR": "YOUR_TXTCEL_KEYPAIR"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| TXTCEL_RPC | Declared in the maintainer’s client configuration. | Check documentation |
| TXTCEL_PROGRAM_ID | Declared in the maintainer’s client configuration. | Check documentation |
| TXTCEL_KEYPAIR | Declared in the maintainer’s client configuration. | Yes |
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