Name: KavachOS
Author: KavachOS

kavachAstro(kavach, options?) returns named route handlers { GET, POST, PATCH, DELETE, OPTIONS, ALL }. Mount them in a catch-all API page so all KavachOS paths are handled. Use individual named exports or the ALL catch-all handler.

Install

pnpm add kavachos @kavachos/astro

Setup

Create the kavach instance

// src/lib/kavach.ts
import { createKavach, createMcpModule } from 'kavachos';

export const kavach = createKavach({
  database: { provider: 'postgres', url: import.meta.env.DATABASE_URL },
  baseUrl: import.meta.env.AUTH_BASE_URL,
  mcp: {
    issuer: import.meta.env.AUTH_BASE_URL,
    audience: import.meta.env.MCP_BASE_URL,
  },
});

export const mcp = createMcpModule(kavach);

Create the catch-all route

Create src/pages/api/kavach/[...path].ts. The [...path] spread catches every sub-path under /api/kavach/.

// src/pages/api/kavach/[...path].ts
import { kavachAstro } from '@kavachos/astro';
import { kavach, mcp } from '@/lib/kavach';

const handlers = kavachAstro(kavach, { mcp });

export const GET = handlers.GET;
export const POST = handlers.POST;
export const PATCH = handlers.PATCH;
export const DELETE = handlers.DELETE;
export const OPTIONS = handlers.OPTIONS;

Or use the ALL handler to catch every HTTP method in one export:

export const ALL = handlers.ALL;

Astro requires output: 'server' or output: 'hybrid' in astro.config.mjs to enable API routes. Static output mode does not support server-side route handlers.

Options

interface KavachAstroOptions {
  mcp?: McpAuthModule;     // enables MCP OAuth 2.1 endpoints
  basePath?: string;       // defaults to '/api/kavach'
}

MCP endpoints

When mcp is passed, the MCP OAuth 2.1 endpoints are available at:

GET  /api/kavach/.well-known/oauth-authorization-server
GET  /api/kavach/.well-known/oauth-protected-resource
POST /api/kavach/mcp/register
GET  /api/kavach/mcp/authorize
POST /api/kavach/mcp/token

Endpoint reference

Method	Path	Description
`POST`	`/agents`	Create an agent
`GET`	`/agents`	List agents
`GET`	`/agents/:id`	Get an agent
`PATCH`	`/agents/:id`	Update an agent
`DELETE`	`/agents/:id`	Revoke an agent
`POST`	`/agents/:id/rotate`	Rotate token
`POST`	`/authorize`	Authorize by agent ID
`POST`	`/authorize/token`	Authorize by bearer token
`POST`	`/delegations`	Create delegation
`GET`	`/delegations/:agentId`	List delegation chains
`DELETE`	`/delegations/:id`	Revoke delegation
`GET`	`/audit`	Query audit logs
`GET`	`/audit/export`	Export audit logs

Full example

// src/pages/api/kavach/[...path].ts
import { createKavach, createMcpModule } from 'kavachos';
import { kavachAstro } from '@kavachos/astro';

const kavach = createKavach({
  database: { provider: 'postgres', url: import.meta.env.DATABASE_URL },
  baseUrl: import.meta.env.AUTH_BASE_URL,
  mcp: {
    issuer: import.meta.env.AUTH_BASE_URL,
    audience: import.meta.env.MCP_BASE_URL,
  },
});

const mcp = createMcpModule(kavach);

const handlers = kavachAstro(kavach, { mcp });

export const GET = handlers.GET;
export const POST = handlers.POST;
export const PATCH = handlers.PATCH;
export const DELETE = handlers.DELETE;
export const OPTIONS = handlers.OPTIONS;

Astro

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