SPR (Sealed Payment Record) MCP Server
Seal every payment your AI agent makes as a signed record, on your own machine, with your key.
SPR (Sealed Payment Record) scores 55 (Fair), with no SPDX license recorded. It installs as a local process. It does not declare tools yet. Filed under Finance. Install configs are generated for 10 clients. Being listed in the registry is not the same as being vendor-official.
Fair trust
55 of 100 from six public signals. Nobody can buy a point.
- Listed in the official MCP registry.
- No license recorded.
Where the 55 comes from
22 + 20 + 0 + 0 + 10 + 3 = 55. Each factor is capped, so no single signal can carry a listing.
Active in the official MCP registry, plus a known vendor namespace.
Registry: 22 of 30 points.How recently the repository saw a commit or release.
Maintenance: 20 of 20 points.GitHub stars and weekly downloads, on a log scale.
Popularity: 0 of 20 points.A clear, OSI-style open-source license.
License: 0 of 10 points.Not archived, a secure install path, a pinned version.
Security: 10 of 10 points.A real summary, a README with depth, listed tools.
Docs: 3 of 10 points.Install
Pick your client, copy the config, paste it in.
Needs Cursor or VS Code installed on this device. The button opens the app and asks you to confirm before it adds the server.
{ "mcpServers": { "luca-network-spr": { "command": "npx", "args": [ "-y", "@luca-network/spr-mcp@0.1.6" ], "env": { "SPR_AGENT_ID": "", "SPR_ENTITY": "", "SPR_DIR": "", "SPR_TIME_ZONE": "", "SPR_BINDING": "" } } }}
Environment variables
| Name | Required | Notes |
|---|---|---|
SPR_AGENT_ID | Required | The agent's ID, such as agt_research |
SPR_ENTITY | Required | The company the agent pays for |
SPR_DIR | Optional | The book's folder (default ./spr-books); it holds the company's private key |
SPR_TIME_ZONE | Optional | The company's time zone for accounting dates (default UTC) |
SPR_BINDING | Optional | on, to return the nonce to sign with each x402 intent |
Tools
All capabilitiesTools show up when the registry metadata or the repository README lists them. Public READMEs are read directly. A GitHub token is used only when one is already configured.
About
Seal every payment your AI agent makes as a signed record, on your own machine, with your key.
Frequently asked questions
What is SPR (Sealed Payment Record) MCP Server?
Seal every payment your AI agent makes as a signed record, on your own machine, with your key.
How do I install SPR (Sealed Payment Record) MCP Server in Claude Desktop, Cursor, or VS Code?
Pick your client in the Install section on this page and copy the generated config into the client's config file. Step-by-step guides: Claude Desktop, Cursor, and VS Code. SPR (Sealed Payment Record) MCP Server runs locally from the npm package @luca-network/spr-mcp with the command npx -y @luca-network/spr-mcp@0.1.6.
Does SPR (Sealed Payment Record) MCP Server support remote (HTTP) connections?
No remote endpoint is listed for SPR (Sealed Payment Record) MCP Server. It runs locally on your machine over stdio, started by your MCP client.
How is SPR (Sealed Payment Record) MCP Server's trust score calculated?
SPR (Sealed Payment Record) MCP Server scores 55 out of 100 (Fair). The score adds six capped public signals: registry status, maintenance, popularity, license, documentation, and security. Nobody can pay for points. Read the methodology for the full formula.
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