Hermes Agent is an AI assistant that learns from its use by creating and improving skills, retaining knowledge, searching past conversations, and adapting to its users. It is for people who want to run an agent through a terminal or messaging platforms while connecting it to different AI models and scheduled tasks.
Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add NousResearch/hermes-agent --skill mcp-oauth-remote-gatewaygit clone --depth 1 https://github.com/NousResearch/hermes-agentWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/nousresearch/hermes-agent/mcp-oauth-remote-gateway)<a href="https://agentmods.dev/skills/nousresearch/hermes-agent/mcp-oauth-remote-gateway"><img src="https://agentmods.dev/badge/skills/nousresearch/hermes-agent/mcp-oauth-remote-gateway/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/nousresearch/hermes-agent/mcp-oauth-remote-gateway"><img src="https://agentmods.dev/badge/skills/nousresearch/hermes-agent/mcp-oauth-remote-gateway.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Snyk pass
- NVIDIA SkillSpector warn
SkillSpector: 3 findings, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high Privilege Escalation · line 35 Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
- medium Rogue Agent · line 243 Skill establishes unauthorized persistence across sessions via cron jobs, startup scripts, or state files. Session persistence allows an attacker to maintain access beyond the current interaction.Fix: Remove any persistence mechanisms (cron jobs, startup scripts, state files). Skills should not maintain state across sessions without explicit user consent.
- medium MCP Rug Pull · line 359 npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.Fix: Pin the version: npx @scope/[email protected]
What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00020 | $0.05955 |
| Opus 5.5 | $0.00008 | $0.02382 |
| Sonnet 5.5 | $0.00004 | $0.01191 |
| Haiku 4.5 | $0.00002 | $0.00596 |
Grade A, and why
mcp-oauth-remote-gateway scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 26d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
login-gated; a cookieless curl returning 401/302 confirms they exist). Copies of this mod
5 near-identical copies found in the catalogue:
- mcp-oauth-remote-gateway — 100% identical, 4 lines differ
- mcp-oauth-remote-gateway — 100% identical, 4 lines differ
- mcp-oauth-remote-gateway — 100% identical, 4 lines differ
- mcp-oauth-remote-gateway — 97% identical, 6 lines differ
- mcp-oauth-remote-gateway — 97% identical, 6 lines differ
How it starts
The opening of the file, as written. The whole thing — 372 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MCP OAuth on a Remote Hermes Gateway
Overview
Hermes' built-in MCP OAuth client runs a one-shot HTTP listener on 127.0.0.1:<port>
inside the Hermes process and registers that loopback address as the OAuth
redirect_uri. That works perfectly for a local CLI on the user's own machine.
It breaks completely when Hermes runs as a remote gateway (container, VPS,
messaging bot), because the user's browser resolves 127.0.0.1 to the user's own
laptop, not the remote container — so the authorization code never reaches Hermes.
This skill does the OAuth dance by hand and writes the resulting tokens into the
exact files Hermes' token storage expects, so a subsequent /reload-mcp finds
cached tokens and skips the browser flow entirely.
When to Use
Use this skill when all of the following are true:
- The user wants to add a remote HTTP MCP server that requires OAuth (not a static Bearer token).
- Hermes is running as a remote gateway (container, VPS, Docker, managed service) — NOT a local CLI on the user's laptop.
- The server supports OAuth 2.1 with PKCE and RFC 7591 Dynamic Client Registration (most modern MCP servers do — Better Stack, Linear, Cloudflare, Datadog, etc.). If it doesn't support DCR (GitHub is the notable exception), this skill does not apply — use a pre-registered OAuth App or a Personal Access Token instead.
Do NOT use this for:
- Local CLI Hermes — just set
auth: oauthinmcp_servers.<name>and/reload-mcp. The built-in flow opens a browser and captures the callback on localhost. Works perfectly. - Servers that accept a static Bearer token (API key) — always prefer
headers.Authorization: "Bearer <token>"when the user is willing. Simpler, no refresh dance. - GitHub Copilot MCP (
api.githubcopilot.com/mcp/) — GitHub does not expose DCR. Use a PAT or a pre-registered OAuth App (see pitfall 12).
Why the Built-in OAuth Flow Fails on a Remote Gateway
Hermes' native MCP OAuth client (tools/mcp_oauth.py):
- Picks a free local port
P. - Registers a dynamic OAuth client with the AS, sending
redirect_uri = http://127.0.0.1:P/callback. - Starts an HTTP server on
127.0.0.1:Pinside the Hermes process. - Prints the authorize URL and waits for the code at its local endpoint.
What ships with it
2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 26d ago Changed a96e1e3a8c90
- 1mo ago First seen · 372 lines · 20 tokens per session scan A e21ffc19f8d1
mcp-oauth-remote-gateway is a skill published in the GitHub repository NousResearch/hermes-agent (254,120 stars, last pushed today), licensed MIT. It adds 20 tokens to every session and 5,955 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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