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 agentmods add skills/nousresearch/hermes-agent/telephonynpx skills add NousResearch/hermes-agent --skill telephonygit 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/telephony)<a href="https://agentmods.dev/skills/nousresearch/hermes-agent/telephony"><img src="https://agentmods.dev/badge/skills/nousresearch/hermes-agent/telephony.svg" alt="Measured on agentmods" height="20"></a>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 | $0.00017 | $0.03113 |
| Opus 5 | $0.00009 | $0.01556 |
| Sonnet 5 | $0.00003 | $0.00623 |
| Haiku 4.5 | $0.00002 | $0.00311 |
Grade A, and why
telephony scanned grade A with 0 findings 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 2d 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.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
Copies of this mod
8 near-identical copies found in the catalogue:
- telephony — 100% identical, 56 lines differ
- telephony — 100% identical, 0 lines differ
- telephony — 100% identical, 0 lines differ
- telephony — 91% identical, 58 lines differ
- telephony — 91% identical, 58 lines differ
- telephony — 81% identical, 67 lines differ
- telephony — 81% identical, 67 lines differ
- telephony — 80% identical, 111 lines differ
How it starts
The opening of the file, as written. The whole thing — 419 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Telephony — Numbers, Calls, and Texts without Core Tool Changes
This optional skill gives Hermes practical phone capabilities while keeping telephony out of the core tool list.
It ships with a helper script, scripts/telephony.py, that can:
- save provider credentials into
${HERMES_HOME:-~/.hermes}/.env - search for and buy a Twilio phone number
- remember that owned number for later sessions
- send SMS / MMS from the owned number
- poll inbound SMS for that number with no webhook server required
- make direct Twilio calls using TwiML
<Say>or<Play> - import the owned Twilio number into Vapi
- place outbound AI calls through Bland.ai or Vapi
What this solves
This skill is meant to cover the practical phone tasks users actually want:
- outbound calls
- texting
- owning a reusable agent number
- checking messages that arrive to that number later
- preserving that number and related IDs between sessions
- future-friendly telephony identity for inbound SMS polling and other automations
It does not turn Hermes into a real-time inbound phone gateway. Inbound SMS is handled by polling the Twilio REST API. That is enough for many workflows, including notifications and some one-time-code retrieval, without adding core webhook infrastructure.
Safety rules — mandatory
- Always confirm before placing a call or sending a text.
- Never dial emergency numbers.
- Never use telephony for harassment, spam, impersonation, or anything illegal.
- Treat third-party phone numbers as sensitive operational data:
- do not save them to Hermes memory
- do not include them in skill docs, summaries, or follow-up notes unless the user explicitly wants that
- It is fine to persist the agent-owned Twilio number because that is part of the user's configuration.
- VoIP numbers are not guaranteed to work for all third-party 2FA flows. Use with caution and set user expectations clearly.
Decision tree — which service to use?
Use this logic instead of hardcoded provider routing:
What ships with it
1 file 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.
- 2d ago First seen · 419 lines · 17 tokens per session scan A 41ec6380adce
telephony is a skill published in the GitHub repository NousResearch/hermes-agent (241,505 stars, last pushed yesterday), licensed MIT. It adds 17 tokens to every session and 3,113 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
Other skills, from other repositories
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mem0-vercel-ai-sdk
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mem0-cli
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mem0-scope
Views or changes the default memory scope (project, session, or global) used when saving and searching memories. Use when the user wants to control whether memories are scoped to this repo, this run, or shared across all their projects.