io.github.daedalus/mcp-ecdsa

mcp-ecdsa

MCP server for ECDSA cryptography

11 tools GitHub PyPI

No known CVEs

No license

Maintained

Last commit 38d ago

Works with most clients

Transport: stdio, sse, http

11 tools · ~941 tok

Grade B · 0.5% of 200K ctx

Edit this pageView history

Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-ecdsa": {
      "command": "mcp-ecdsa"
    }
  }
}

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[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-daedalus-mcp-ecdsa)](https://mcppedia.org/s/io-github-daedalus-mcp-ecdsa)

Read me

What io.github.daedalus/mcp-ecdsa does

from mcp_ecdsa import generate_key, sign_data, verify_signature

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

uvx 'mcp-ecdsa' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

78/100across 5 weighted dimensions

How we score →

0255075100

−22

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked mcp-ecdsa against OSV.dev.

Inventory

Tools (11)

Click any tool to inspect its schema.

~941 tokens total

Community

Reviews

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Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.daedalus/mcp-ecdsa safe to use?: io.github.daedalus/mcp-ecdsa has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.daedalus/mcp-ecdsa?: io.github.daedalus/mcp-ecdsa supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.daedalus/mcp-ecdsa do?: io.github.daedalus/mcp-ecdsa provides 11 tools: generate_key, sign_data, sign_digest, verify_signature, verify_digest_signature and 6 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.daedalus/mcp-ecdsa?: io.github.daedalus/mcp-ecdsa is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.daedalus/mcp-ecdsa actively maintained?: io.github.daedalus/mcp-ecdsa is recently maintained — last commit was 38 days ago.

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Community

Discussion

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Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Usage

As MCP Server

Configure in your MCP client:

{ "mcpServers": { "mcp-ecdsa": { "command": "mcp-ecdsa" } } }

Python API

from mcp_ecdsa import generate_key, sign_data, verify_signature # Generate key pair result = await generate_key({"curve": "NIST256p"}) data = json.loads(result[0].text) # Sign data sign_result = await sign_data({ "private_key": data["private_key"], "data": "Hello, World!" }) # Verify signature verify_result = await verify_signature({ "public_key": data["public_key"], "signature": json.loads(sign_result[0].text)["signature"], "data": "Hello, World!" })

Tools

Tool

Description

generate_key

Generate ECDSA key pair

sign_data

Sign data (with hashing)

sign_digest

Sign pre-hashed digest

verify_signature

Verify signature over data

verify_digest_signature

Verify signature over digest

import_private_key

Import from PEM/DER/base64

import_public_key

Import from PEM/DER/base64

export_private_key

Export to PEM/DER/base64/SSH

export_public_key

Export to PEM/DER/base64/SSH

get_key_info

Get key information

recover_public_key

Recover public keys from signature

Supported Curves

NIST192p, NIST224p, NIST256p, NIST384p, NIST521p

SECP256k1

Ed25519, Ed448

Supported Hash Functions

SHA1, SHA224, SHA256, SHA384, SHA512

SHA3-256, SHA3-384, SHA3-512

Frequently Asked Questions

Is io.github.daedalus/mcp-ecdsa safe to use?

io.github.daedalus/mcp-ecdsa has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install io.github.daedalus/mcp-ecdsa?

io.github.daedalus/mcp-ecdsa supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.daedalus/mcp-ecdsa do?

io.github.daedalus/mcp-ecdsa provides 11 tools: generate_key, sign_data, sign_digest, verify_signature, verify_digest_signature and 6 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.daedalus/mcp-ecdsa?

io.github.daedalus/mcp-ecdsa is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.daedalus/mcp-ecdsa actively maintained?

io.github.daedalus/mcp-ecdsa is recently maintained — last commit was 38 days ago.

mcp-ecdsa

MCP server for ECDSA cryptography

mcp-name: io.github.daedalus/mcp-ecdsa

Install

pip install mcp-ecdsa

Usage

As MCP Server

Configure in your MCP client:

{
  "mcpServers": {
    "mcp-ecdsa": {
      "command": "mcp-ecdsa"
    }
  }
}

Python API

from mcp_ecdsa import generate_key, sign_data, verify_signature

# Generate key pair
result = await generate_key({"curve": "NIST256p"})
data = json.loads(result[0].text)

# Sign data
sign_result = await sign_data({
    "private_key": data["private_key"],
    "data": "Hello, World!"
})

# Verify signature
verify_result = await verify_signature({
    "public_key": data["public_key"],
    "signature": json.loads(sign_result[0].text)["signature"],
    "data": "Hello, World!"
})

Tools

Tool	Description
`generate_key`	Generate ECDSA key pair
`sign_data`	Sign data (with hashing)
`sign_digest`	Sign pre-hashed digest
`verify_signature`	Verify signature over data
`verify_digest_signature`	Verify signature over digest
`import_private_key`	Import from PEM/DER/base64
`import_public_key`	Import from PEM/DER/base64
`export_private_key`	Export to PEM/DER/base64/SSH
`export_public_key`	Export to PEM/DER/base64/SSH
`get_key_info`	Get key information
`recover_public_key`	Recover public keys from signature

Supported Curves

NIST192p, NIST224p, NIST256p, NIST384p, NIST521p
SECP256k1
Ed25519, Ed448

Supported Hash Functions

SHA1, SHA224, SHA256, SHA384, SHA512
SHA3-256, SHA3-384, SHA3-512

Development

git clone https://github.com/daedalus/mcp-ecdsa.git
cd mcp-ecdsa
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/