ProofSlip
Rank #73,733ai.proofslip/mcp-server
Receipt-based verification for AI agent workflows — create, verify, and poll ephemeral proof objects
What you can do with ProofSlip
ProofSlip is a Model Context Protocol (MCP) server published by johnny-z13. It ranks #73,733 of 168,415 active servers on MCP Toplist, and its repository has 1 GitHub stars. ProofSlip is listed across 3 registries — Official MCP, PulseMCP and mcp.so, with 1 tracked version. It was first listed on Mar 24, 2026 and most recently updated on Apr 5, 2026.
Not verifiedMCP Toplist has not yet written a checked profile for this server, so the paragraph above is assembled from registry data only. The repository README is the authority on what it does.
What ProofSlip can and cannot do
Not verifiedMCP Toplist has not catalogued this server's tools or limitations. The repository README lists them.
What you need before using ProofSlip
The registry listing declares required configuration before first use — typically an API key, token or connection string set via environment variables.
Declared by the Official MCP Registry, last synced Nov 4, 2026. Not independently verified by MCP Toplist.
- PROOFSLIP_API_KEY · required
- PROOFSLIP_BASE_URL · optional
Connect ProofSlip and confirm it works
claude mcp add proofslip -e "PROOFSLIP_API_KEY=<your PROOFSLIP_API_KEY>" -e "PROOFSLIP_BASE_URL=<your PROOFSLIP_BASE_URL>" -- npx -y @proofslip/mcp-serverReplace each placeholder with your own value before saving.
[mcp_servers.proofslip]
command = "npx"
args = ["-y", "@proofslip/mcp-server"]
[mcp_servers.proofslip.env]
PROOFSLIP_API_KEY = "<your PROOFSLIP_API_KEY>"
PROOFSLIP_BASE_URL = "<your PROOFSLIP_BASE_URL>"Add to ~/.codex/config.toml. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"proofslip": {
"command": "npx",
"args": [
"-y",
"@proofslip/mcp-server"
],
"env": {
"PROOFSLIP_API_KEY": "<your PROOFSLIP_API_KEY>",
"PROOFSLIP_BASE_URL": "<your PROOFSLIP_BASE_URL>"
}
}
}
}Add to claude_desktop_config.json (Settings → Developer → Edit Config). Replace each placeholder with your own value before saving.
{
"mcpServers": {
"proofslip": {
"command": "npx",
"args": [
"-y",
"@proofslip/mcp-server"
],
"env": {
"PROOFSLIP_API_KEY": "<your PROOFSLIP_API_KEY>",
"PROOFSLIP_BASE_URL": "<your PROOFSLIP_BASE_URL>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (per project). Replace each placeholder with your own value before saving.
{
"servers": {
"proofslip": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@proofslip/mcp-server"
],
"env": {
"PROOFSLIP_API_KEY": "<your PROOFSLIP_API_KEY>",
"PROOFSLIP_BASE_URL": "<your PROOFSLIP_BASE_URL>"
}
}
}
}Save as .vscode/mcp.json in your workspace. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"proofslip": {
"command": "npx",
"args": [
"-y",
"@proofslip/mcp-server"
],
"env": {
"PROOFSLIP_API_KEY": "<your PROOFSLIP_API_KEY>",
"PROOFSLIP_BASE_URL": "<your PROOFSLIP_BASE_URL>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json. Replace each placeholder with your own value before saving.
{
"mcpServers": {
"proofslip": {
"command": "npx",
"args": [
"-y",
"@proofslip/mcp-server"
],
"env": {
"PROOFSLIP_API_KEY": "<your PROOFSLIP_API_KEY>",
"PROOFSLIP_BASE_URL": "<your PROOFSLIP_BASE_URL>"
}
}
}
}Replace each placeholder with your own value before saving.
After adding the config, ask your client to list this server's tools. A tool list confirms the connection; an empty list or an error means the server did not start or needs credentials.
When to choose another server
No task-specific alternatives are catalogued for ProofSlipyet; the list above is its publisher's other servers.
What changed, and when this was checked
- First listed
- Mar 24, 2026
- Latest version published
- Apr 5, 2026
- Version history
- 1 version tracked (below)
- Requirements evidence
- Declared by the Official MCP Registry, last synced Nov 4, 2026. Not independently verified by MCP Toplist.
- Profile checked
- Not yet — purpose, capabilities and requirements above come from registry data only
- Ranking data as of
- Nov 4, 2026
- Official MCP ↗listed since Apr 25, 2026 · still listed
- PulseMCP ↗listed since May 22, 2026 · still listed
- mcp.so ↗listed since Aug 26, 2026 · still listed
Do you maintain ProofSlip? to correct or enrich this profile.
Available versions (1)
| Version | Published |
|---|---|
| 0.2.3 | Apr 5, 2026 |
Ranks ahead of 94,682 of 168,415 servers on MCP Toplist.
Show your rank
Maintain this server? Add the live rank badge to your README — it updates automatically as the leaderboard changes.
[](https://mcptoplist.com/server/ai.proofslip%2Fmcp-server)<a href="https://mcptoplist.com/server/ai.proofslip%2Fmcp-server"><img src="https://mcptoplist.com/badge/ai.proofslip%2Fmcp-server.svg" alt="MCP Toplist: Top 50% of 168,415" /></a>Variants: append ?metric=score or ?metric=stars to the image URL.
Frequently asked questions
- Who maintains ProofSlip?
- ProofSlip is maintained by johnny-z13, which publishes 2 MCP servers (1 total version) tracked on MCP Toplist.
- Is ProofSlip listed on the Official MCP Registry?
- Yes — ProofSlip is listed on the Official MCP Registry, alongside PulseMCP and mcp.so.
- How many versions does ProofSlip have?
- MCP Toplist tracks 1 version of ProofSlip, most recently published on Apr 5, 2026.
- Where can I find the source code for ProofSlip?
- The source code for ProofSlip is hosted at github.com/johnny-z13/proofslip/tree/HEAD/packages/mcp-server.
Do you run this server?
Community projects list the MCP servers behind real agents and apps. Publish yours and this page will link to it.