142 lines
2.7 KiB
Markdown
142 lines
2.7 KiB
Markdown
# Hermes MCP
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Hermes MCP is a hosted MCP gateway for messaging, knowledge, and social connectors.
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The production endpoint is:
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```text
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https://hermes.squaremcp.com/mcp
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```
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Hermes currently supports MCP access patterns for:
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1. email
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2. Obsidian vault notes
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3. WhatsApp Business
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4. LinkedIn
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5. Telegram
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6. additional social connectors that are in various states of credentialing and rollout
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---
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## What Hermes is for
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Hermes is the integration and connector layer behind broader product work such as SquareMCP.
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Use Hermes when you want:
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1. an MCP endpoint that exposes real tools over Streamable HTTP
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2. API-key or OAuth-protected access
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3. connector access from agent clients such as Codex CLI, Claude Code, opencode, or ChatGPT
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---
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## Core transports
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| Transport | URL |
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|----------|-----|
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| Streamable HTTP (preferred) | `https://hermes.squaremcp.com/mcp` |
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| Legacy SSE | `https://hermes.squaremcp.com/sse` |
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---
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## Authentication
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Hermes accepts:
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1. `x-api-key` header
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2. `?key=` query parameter
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3. `Authorization: Bearer ...` for OAuth-based clients
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For local/manual config examples in this repo, always substitute your own value for:
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```text
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YOUR_MCP_API_KEY
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```
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Do not commit live API keys into repo config files.
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---
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## Client setup guides
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Use the setup guide that matches your client:
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1. [Codex CLI setup](./CODEX_SETUP.md)
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2. [CLI agent setup (Claude Code, generic MCP CLIs, Claude Desktop)](./AGENTS_CLI_SETUP.md)
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3. [opencode setup](./OPENCODE.md)
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4. [ChatGPT Custom GPT setup](./CHATGPT_SETUP.md)
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---
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## Codex quick setup
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Add this block to `~/.codex/config.toml`:
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```toml
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[mcp_servers.hermes]
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url = "https://hermes.squaremcp.com/mcp"
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```
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See [CODEX_SETUP.md](./CODEX_SETUP.md) for the full notes and caveats.
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---
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## opencode quick setup
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Project-level `opencode.json`:
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```json
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{
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"$schema": "https://opencode.ai/config.json",
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"mcp": {
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"hermes": {
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"type": "remote",
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"url": "https://hermes.squaremcp.com/mcp",
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"headers": {
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"x-api-key": "YOUR_MCP_API_KEY"
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}
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}
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}
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}
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```
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Full instructions: [OPENCODE.md](./OPENCODE.md)
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---
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## Local development
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```bash
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npm install
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cp .env.example .env
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npm run dev
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curl http://localhost:3456/health
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```
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The local server runs on port `3456` by default.
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---
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## Deployment
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Production deployment notes are in:
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1. [DEPLOY.md](./DEPLOY.md)
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2. `hermes-k8s.yaml`
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SquareMCP product-site docs live under:
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1. [`product/site`](./product/site)
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2. [`product/README.md`](./product/README.md)
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---
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## Notes
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The historical docs in this repo started from an email-only Claude-focused setup. Current deployment and setup guidance should follow:
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1. the `hermes.squaremcp.com` domain
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2. Streamable HTTP `/mcp` as the default transport
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3. the dedicated client setup docs linked above
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