Sigil MCP Server: Install & Setup

Install Sigil in Claude Code

Claude Code

claude mcp add sigil -- npx -y sigild

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "sigil": {
      "command": "npx",
      "args": [
        "-y",
        "sigild"
      ]
    }
  }
}

Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key.

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

Run: claude mcp add sigil -- npx -y sigild

xingbofeng/skill-deck

Expose local Agent Skills as adapter tools, MCP resources, MCP tools, and share artifacts.

CoderDayton/semantic-cache-mcp

File cache for coding agents: re-reads cost ~40 tokens, changed files return diffs.

BASHBOP/solumbe

Deterministic local repository context, impact analysis, and merge-readiness evidence for AI agents.

edwardyen724-g/sealed-mcp

Per-call paid skills for AI agents, run server-side: inputs in, outputs back. The body never ships.

rjexile/sports-card-agent

Sports card pricing, market analysis, grading ROI, and player stats (NBA/NFL/MLB)

JRCage/ribcage-agent-services

Verification and research desk for agents: packet validation, token screens, settlement checks.