Overview - Corsair

Use Missive through Corsair: one client, typed API calls. Authenticate with a Missive personal API token (missive_pat-…) created under Preferences > API; token generation requires an organization on the Productive plan. Requests use HTTPS with a Bearer header against https://public.missiveapp.com/v1. This plugin implements the documented REST operations. Missive’s inbound webhook events are not included; the webhook subscription endpoints ship as regular REST operations. What you get:

42 typed API operations

Setup

Install

npm install corsair @corsair-dev/missive better-sqlite3
npm install --save-dev @types/better-sqlite3

yarn add corsair @corsair-dev/missive better-sqlite3
yarn add --dev @types/better-sqlite3

pnpm install corsair @corsair-dev/missive better-sqlite3
pnpm install --save-dev @types/better-sqlite3

bun add corsair @corsair-dev/missive better-sqlite3
bun add --dev @types/better-sqlite3

Add the plugin

corsair.ts

import Database from 'better-sqlite3';
import { createCorsair } from 'corsair';
import { missive } from '@corsair-dev/missive';

export const corsair = createCorsair({
	plugins: [
		missive(),
	],
	database: new Database('corsair.db'),
	kek: process.env.CORSAIR_KEK!,
	multiTenancy: true,
	hub: {
		projectApiKey: process.env.CORSAIR_API_KEY!,
		signingSecret: process.env.CORSAIR_SIGNING_SECRET!,
	},
});

With multiTenancy: true, scope calls with corsair.withTenant(id). See Quick start for KEK + Hub keys, and Multi-tenancy for account isolation.

Choose authentication

API Key (Recommended)

No setup required yet. When you make your first request as a tenant, Corsair prompts for the API key.

missive()

More: API Key

Connect a tenant

Mint a connect link and send the tenant to it. Hub hosts the page and delivers the result to your app — see Connect / OAuth.

const { connectUrl } = await corsair.manage.connect.createLink({
	plugin: 'missive',
	tenantId: 'acme',
});
// redirect the user's browser to connectUrl

Example API calls

analytics.getReport

const tenant = corsair.withTenant('acme');
await tenant.missive.api.analytics.getReport({});

analytics.createReport

const tenant = corsair.withTenant('acme');
await tenant.missive.api.analytics.createReport({});

See the full list on the API page.

What’s next

API reference

Every missive.api.* operation with input and output types.

Connect / OAuth

createLink, Hub delivery, and tenant connect flows.

Use with agents

Expose this plugin’s operations as MCP tools.

​Setup

​Example API calls

​What’s next