Capacity Attest MCP Server
by holistisio.github.holistis/capacity-attestv0.7.0
Signed delivery claims for x402 capacity trades: GPU-hours, storage, API credits, bandwidth.
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Active10d ago
Install Capacity Attest MCP server
Install in Claude Code
claude mcp add capacity-attest -- npx -y capacity-attestInstall in Cursor
{
"mcpServers": {
"capacity-attest": {
"command": "npx",
"args": [
"-y",
"capacity-attest"
]
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"capacity-attest": {
"command": "npx",
"args": [
"-y",
"capacity-attest"
]
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"capacity-attest": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"capacity-attest"
]
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"capacity-attest": {
"command": "npx",
"args": [
"-y",
"capacity-attest"
]
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| CAPACITY_ATTEST_DATA_DIR | — | — | Directory the append-only claims ledger (claims.jsonl) is written to and read from. Defaults to ./data inside the package. |
Freshness
Active — last maintenance signal 10d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-30 · 10d ago · GitHub
Latest release
2026-09-06 · 33d ago · GitHub · v0.5.0
Package published
no data · npm/PyPI
Registry entry updated
2026-09-29 · 11d ago · official registry · v0.7.0
FAQ
›How do I install the Capacity Attest MCP server in Claude Code?
Run: claude mcp add capacity-attest -- npx -y capacity-attest. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Capacity Attest require an API key?
No required environment variables are declared in its published metadata.
›Can I use Capacity Attest as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Capacity Attest in the official MCP registry?
Yes, as io.github.holistis/capacity-attest.