A side-by-side look at the MCP Ecdsa and Signet MCP Tools MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose MCP Ecdsa for cryptography work as a local process; choose Signet MCP Tools for cryptography as a local process. You can also run both side by side in one mcpServers block.
generate_key, sign_data, sign_digest.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Cryptography | Cryptography |
| Quality signal | 44/100 · Fair | 47/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 39 |
| Directory activity | 0 views 0 installs 0 upvotes | 0 views 0 installs 0 upvotes |
| Tools | 11 | Not listed |
| Full listing | View MCP Ecdsa | View Signet MCP Tools |
generate_keyGenerate ECDSA key pairsign_dataSign data (with hashing)sign_digestSign pre-hashed digestverify_signatureVerify signature over dataverify_digest_signatureVerify signature over digestimport_private_keyImport from PEM/DER/base64import_public_keyImport from PEM/DER/base64export_private_keyExport to PEM/DER/base64/SSHexport_public_keyExport to PEM/DER/base64/SSHget_key_infoGet key informationrecover_public_keyRecover public keys from signatureNo tool names declared yet. Check the project README from the listing page.
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.
{
"mcpServers": {
"mcp-ecdsa": {
"command": "uvx",
"args": [
"mcp-ecdsa"
]
}
}
}
{
"mcpServers": {
"signet-mcp-tools": {
"command": "npx",
"args": [
"-y",
"@signet-auth/mcp-tools"
]
}
}
}