Koskamo

ProofSlip MCP

An MCP server that exposes ProofSlip's legacy receipt API tools, allowing AI agents to create, verify, and poll ephemeral proof objects for agent handshakes, approvals, and resumable workflows.

Visit ProofSlip

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

ProofSlip MCP logo, by ProofSlipVendor evidenceLocal stdioSource reviewed; not executedOperated by ProofSlip
You need:POST /v1/auth/signup — create a ProofSlip API key.POST /v1/receipts — create a 60-second to 24-hour receipt; API key required.
Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

  • Passed Official MCP Registry namespace is tied to proofslip.ai ·
  • Popularity 1 GitHub star

What you can do with it

  • Create ephemeral receipts for agent handshakes
  • Verify receipt validity via public endpoints
  • Poll receipt status for workflow resumption

Source and maintenance

Vendor evidenceRegistry 0.2.3MIT
mcp-registry: ai.proofslip/mcp-server@0.2.3Source repositoryProject website
Last repository push
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@proofslip/mcp-server 0.2.3

npmnpx
@proofslip/mcp-server package definition
{
  "version": "0.2.3",
  "transport": "stdio",
  "identifier": "@proofslip/mcp-server",
  "runtimeHint": "npx",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "PROOFSLIP_API_KEY",
      "isRequired": true,
      "description": "Your ProofSlip API key (get one free at proofslip.ai)"
    },
    {
      "name": "PROOFSLIP_BASE_URL",
      "default": "https://proofslip.ai",
      "description": "API base URL (defaults to https://proofslip.ai)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "proofslip-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@proofslip/mcp-server@0.2.3"
      ],
      "env": {
        "PROOFSLIP_API_KEY": "<YOUR_PROOFSLIP_API_KEY>",
        "PROOFSLIP_BASE_URL": "<YOUR_PROOFSLIP_BASE_URL>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "proofslip-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@proofslip/mcp-server@0.2.3"
      ],
      "env": {
        "PROOFSLIP_API_KEY": "<YOUR_PROOFSLIP_API_KEY>",
        "PROOFSLIP_BASE_URL": "<YOUR_PROOFSLIP_BASE_URL>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "proofslip-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@proofslip/mcp-server@0.2.3"
      ],
      "env": {
        "PROOFSLIP_API_KEY": "<YOUR_PROOFSLIP_API_KEY>",
        "PROOFSLIP_BASE_URL": "<YOUR_PROOFSLIP_BASE_URL>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "proofslip-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@proofslip/mcp-server@0.2.3"
      ],
      "env": {
        "PROOFSLIP_API_KEY": "<YOUR_PROOFSLIP_API_KEY>",
        "PROOFSLIP_BASE_URL": "<YOUR_PROOFSLIP_BASE_URL>"
      }
    }
  }
}

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