Aura MCP vs APEX PSI
A side-by-side look at the Aura MCP and APEX PSI MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
A
Aura MCPCryptography · Local subprocess (stdio)Connect assistants to Aura encrypted computation. Explore Aura AI and run public numeric demos.49FairAuth: no auth requiredVerdict: choose Aura MCP for cryptography work as a local process; choose APEX PSI for cryptography as a local process. You can also run both side by side in one mcpServers block.
Which MCP server should you choose?
AChoose Aura MCP when
- You need dedicated capabilities in the Cryptography domain.
- You prefer a local stdio subprocess transport.
- Its auth model fits you: No auth required.
Choose APEX PSI when
- You need dedicated capabilities in the Cryptography domain.
- You prefer a local stdio subprocess transport.
- You want tools like
seal, verify, anchor.
Feature & specification comparison
Rows where the two servers differ are marked.
| Spec | A Aura MCP | |
|---|---|---|
| Category | Cryptography | Cryptography |
| Quality signal | 49/100 · Fair | 60/100 · Good |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | No auth required | Not declared |
| Pricing | Free | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 39 | 1 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | Not listed | 5 |
| Full listing | View Aura MCP | View APEX PSI |
Tools & capabilities
Aura MCP tools
No tool names declared yet. Check the project README from the listing page.
APEX PSI tools 5
sealStamp a cryptographic receipt on content. Writes to the APEX PSI append-only ledger with SHA-256 hash, Ed25519 signature, and post-quantum LMS-W4-SHA256 signature. Proves existence and integrity at a point in time — not the truth of the contents.verifyConfirm a seal's integrity against the APEX PSI append-only ledger. Accepts a receipt object (from the seal tool) or a raw SHA-256 hash. Reports whether the hash is present and anchored — integrity, not the truth of the original content.anchorRead the Bitcoin (OpenTimestamps) anchoring state of the ledger's pending Merkle roots, or — only when action:'anchor' is passed explicitly — request that pending roots be aggregated and submitted to the OTS calendars. Defaults to 'status' (read-only) so a routine call never triggers a batch write. An anchor becomes confirmed only when a real Bitcoin block is found.citeGenerate a citation for a sealed receipt in APA, BibTeX, or MLA format, citing the APEX PSI ledger entry.verify_chainIndependently verify a chain of receipts against the APEX PSI ledger. Recomputes each hash's presence and integrity and reports Merkle chain continuity. Returns a verification report — a recomputation result, not an opinion or a certification.
Ready-to-paste client configs
Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
Aura MCP
{
"mcpServers": {
"aurafhe-mcp": {
"command": "npx",
"args": [
"-y",
"@aurafhe/mcp"
]
}
}
}
APEX PSI
{
"mcpServers": {
"apex-psi": {
"command": "npx",
"args": [
"-y",
"apex-psi-mcp"
]
}
}
}
Frequently asked questions
Aura MCP is categorized under Cryptography and uses a local stdio subprocess. APEX PSI belongs to Cryptography and uses a local stdio subprocess. Pick Aura MCP for cryptography work and APEX PSI for cryptography.
Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.
Aura MCP is listed as free. Auth: no auth required. APEX PSI has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.
Yes. MCP clients support multiple servers: add aurafhe-mcp and apex-psi as separate keys in the same mcpServers object, and your assistant will call tools from either one.
On AllMCPs, Aura MCP has a quality signal of 49/100 (Fair) with 1 views, 0 installs and 39 GitHub stars. APEX PSI has 60/100 (Good) with 1 views, 0 installs and 1 GitHub stars.