What is seal?
seal is a MCP server by aurumflux20 that exactly-once payments for agents: prevents double settlement across processes and retries, confirms charges with the provider and reconciles out-of-band spend. It is listed under Security and has no public popularity data yet.
| Type | Mcp server |
|---|---|
| Author | aurumflux20 |
| Repository | aurumflux20/seal |
| Popularity | no public popularity data yet |
| Category | Security |
| Security | Low risk (84/100) |
| Rank | #4,308 of 4,418 MCP servers; #255 in Security |
| Last commit | 2026-09-08 |
| Runs | Locally |
| Language | Python |
Is seal safe to install?
seal scores 84/100 on the MCPMods security check: Low risk. Things to review: can take actions such as send, write or deploy. It passed 4 of 6 checks.
MCP server results come from listing signals: who publishes it, where your data goes and what it can do. The code itself is not scanned yet.
| Check | Result |
|---|---|
| Community-built server | Note |
| Runs on your machine only | Pass |
| No credentials mentioned | Pass |
| Can take actions such as send, write or deploy | Review |
| No code execution | Pass |
| Source on GitHub | Pass |
How do I install seal?
- Find the launch command. The README says how the server starts (npx, uvx, docker or a remote URL) and which API keys it needs.
https://github.com/aurumflux20/seal
- Add it to Claude Code. Replace the part after -- with the command from the README. Remote servers use --transport http with a URL.
claude mcp add seal -- <command from README> claude mcp add --transport http seal <server-url>
- Check it connected. This lists your MCP servers and their status.
claude mcp list
Or ask Claude to set it up
Paste this into Claude Code and it installs seal for you:
Add the "seal" MCP server from https://github.com/aurumflux20/seal to Claude Code. Read its README for the launch command and any API keys I need, run claude mcp add, then check that it connects.