# LetsPost > Social-media posting API and remote MCP server. Schedule, publish, and analyze > posts across 10+ platforms — Instagram, TikTok, YouTube, X (Twitter), Threads, > LinkedIn, Facebook, Pinterest, Bluesky, Mastodon, WhatsApp. Built for AI agents > first: REST + a remote MCP server with 53 tools across read / write / publish > scopes, scoped API keys, idempotent writes, signed webhooks, AES-256 storage. LetsPost is the agent-friendly social posting layer. One API key, one MCP URL, every major platform. Agents can draft, preview, schedule, publish, and report on posts without driving a browser or stitching ten OAuth flows together. ## Core docs - [Quickstart](https://letspost.it/docs/quickstart): signup → API key → first scheduled post in 60 seconds. - [Authentication](https://letspost.it/docs/authentication): API-key Bearer tokens, scope model (`mcp:read`, `mcp:write`, `mcp:publish`), rotation. - [Agents overview](https://letspost.it/agents): MCP setup for Claude Code, Claude Desktop, Cursor, ChatGPT (OpenAPI Actions); tool roster; code examples. - [Posts](https://letspost.it/docs/posts): create, schedule, publish, fan-out across platforms, idempotency keys, per-platform captions. - [Webhooks](https://letspost.it/docs/webhooks): event catalog, HMAC signature verification, retry policy, local-testing snippets. - [Errors](https://letspost.it/docs/errors): full error code table with the `code` / `message` / `request_id` envelope. - [Rate limits](https://letspost.it/docs/rate-limits): per-key limits, headers, backoff strategy. - [Billing](https://letspost.it/docs/billing): plan tiers, Stripe portal, quota counters. - [WhatsApp](https://letspost.it/docs/whatsapp): capability matrix vs the WhatsApp Business Platform. ## Machine-readable surfaces - [OpenAPI 3.1 spec](https://api.letspost.it/v1/openapi.json) — every REST endpoint, request and response schemas, error envelope. - [Postman collection](https://letspost.it/postman.json) — importable. - [Full agent guide](https://letspost.it/llms-full.txt) — long-form, every endpoint and tool inline. ## MCP server - Transport: streamable HTTP (MCP 2025-06-18 spec). Hosted at `https://mcp.letspost.it/v1/mcp`. - Auth: `Authorization: Bearer lp_live_xxx` — same API key, same scopes as REST. - 53 tools: 16 read, 33 write, 4 publish. - Setup configs for Claude Code, Claude Desktop, Cursor, ChatGPT: https://letspost.it/agents#mcp-quickstart ## Optional - [Pricing](https://letspost.it/#pricing) - [Privacy](https://letspost.it/privacy) — AES-256 at rest, isolated tenant data. - [Terms](https://letspost.it/terms) - [Status & changelog](https://letspost.it/docs/changelog)