ERC-7303 token-controlled roles for AI agents: grant, check, and revoke permissions on-chain
Connect Runs on your machine
claude mcp add tctc-mcp -e TCTC_ADMIN_PRIVATE_KEY=<TCTC_ADMIN_PRIVATE_KEY> -- npx -y [email protected]
{
"mcpServers": {
"tctc-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"TCTC_ADMIN_PRIVATE_KEY": "<TCTC_ADMIN_PRIVATE_KEY>"
}
}
}
}
{
"mcpServers": {
"tctc-mcp": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"TCTC_ADMIN_PRIVATE_KEY": "<TCTC_ADMIN_PRIVATE_KEY>"
}
}
}
}
{
"servers": {
"tctc-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"TCTC_ADMIN_PRIVATE_KEY": "<TCTC_ADMIN_PRIVATE_KEY>"
}
}
}
}
Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
TCTC_ADMIN_PRIVATE_KEYOptional, secret | Issuer key enabling grant_role/revoke_role (admin mode). Omit for read-only mode: state-changing tools are then not even registered |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 20 Jul 2026 |
| Last updated | 20 Jul 2026 |
| Registry name | io.github.kofujimura/tctc-mcp |
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