Phronesis MCP MCP server

Phronesis provides a decision-assurance layer for AI agents, offering an auditable action boundary and receipt before an agent acts. It turns intent, evidence, and calibrated forecasts into auditable Decision Assets that can be cited, reused, disputed, and settled. The server supports semantic parity across REST and MCP, allowing agents to call Phronesis to determine if an action is defensible based on evidence maturity and calibration history.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-05Operated by Phronesis

MCP endpoint (Streamable HTTP)

https://api.phronesisintel.com/mcp

Vendor documentation

What you can do with it

Issue Decision Assets on power-to-compute decisions
Check if an agent's action is defensible before execution
Retrieve auditable action boundaries and receipts
Access calibration history and evidence maturity scores

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http phronesis-mcp https://api.phronesisintel.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add phronesis-mcp --url https://api.phronesisintel.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable phronesis-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "phronesis-mcp": {
      "url": "https://api.phronesisintel.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "phronesis-mcp": {
      "type": "streamableHttp",
      "url": "https://api.phronesisintel.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start phronesis-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "phronesis-mcp": {
      "type": "http",
      "url": "https://api.phronesisintel.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http phronesis-mcp https://api.phronesisintel.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "phronesis-mcp": {
      "url": "https://api.phronesisintel.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "phronesis-mcp": {
      "serverUrl": "https://api.phronesisintel.com/mcp"
    }
  }
}

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