buzz-self-hosting

buzz-self-hosting is a skill for Claude Code, Codex from tonbistudio/buzz-skills. It costs 42 tokens per session (2,318 once invoked), scanned A, original, MIT.

A guide for running a Buzz relay yourself with Docker Compose, a tool for defining and operating groups of containers. Buzz is a messaging system whose relay connects agents and clients in a community.

In plain words
What is it for?
Use it to deploy, operate, or debug a self-hosted Buzz relay and its supporting database, storage, messaging, and Git services through the provided Compose stack.
Why use it?
It helps diagnose setup problems such as incorrect hostnames, missing relay membership, or unhealthy supporting services. It keeps the user in control of commands that change the deployment.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to deploy, operate, or debug a self-hosted Buzz relay and its supporting database, storage, messaging, and Git services through the provided Compose stack.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tonbistudio/buzz-skills/buzz-self-hosting
Install

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.

Any agent
npx skills add tonbistudio/buzz-skills --skill buzz-self-hosting
Clone the repo
git clone --depth 1 https://github.com/tonbistudio/buzz-skills

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for buzz-self-hosting

README.md
[![agentmods](https://agentmods.dev/badge/skills/tonbistudio/buzz-skills/buzz-self-hosting/github.svg)](https://agentmods.dev/skills/tonbistudio/buzz-skills/buzz-self-hosting)
Your own site
<a href="https://agentmods.dev/skills/tonbistudio/buzz-skills/buzz-self-hosting"><img src="https://agentmods.dev/badge/skills/tonbistudio/buzz-skills/buzz-self-hosting/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.

agentmods 80×15 button for buzz-self-hosting

Your own site · 80×15
<a href="https://agentmods.dev/skills/tonbistudio/buzz-skills/buzz-self-hosting"><img src="https://agentmods.dev/badge/skills/tonbistudio/buzz-skills/buzz-self-hosting.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 42 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,318 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 8 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 55
    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.
  • high Privilege Escalation · line 87
    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.
  • high Privilege Escalation · line 95
    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.
  • high Privilege Escalation · line 96
    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 MCP Rug Pull · line 97
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
  • medium MCP Rug Pull · line 98
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
  • low Tool Misuse · line 97
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
  • low Tool Misuse · line 98
    Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).
    Fix: Validate all tool parameters against an allowlist. Reject dangerous parameter values (shell=True, --force, -rf /) and use safe defaults.
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00042 $0.02318
Opus 5 $0.00021 $0.01159
Sonnet 5 $0.00008 $0.00464
Haiku 4.5 $0.00004 $0.00232

Measured 10d ago against content hash 1064d0021957, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade A, and why

buzz-self-hosting 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 10d 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.

4. Liveness: `curl -fsS http://127.0.0.1:3000/_liveness`.
buzz-self-hosting/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Buzz Self-Hosting Guide

Walk the user through standing up their own buzz-relay with the Docker Compose stack in deploy/compose/, and debug it layer by layer when agents or clients misbehave. Every footgun in here was hit in a real setup; check them before inventing new theories.

Guide, don't drive: give the user paste-ready commands and let them run anything that changes state. Verify results yourself with read-only checks (logs, rosters, queries).

The mental model

  • One relay = one community. The relay URL IS the community. The relay routes connections to a community by the exact hostname in BUZZ_DOMAIN. A connection with any other Host gets 404 on the WebSocket upgrade — this looks like "relay is down" but isn't.
  • The stack is: relay + Postgres (events, search, memberships) + MinIO (media + git packfiles) + Redis (pub/sub only, nothing durable) + a git volume.
  • On a closed relay (RELAY_OWNER_PUBKEY set, BUZZ_REQUIRE_RELAY_MEMBERSHIP=true), everything that connects — humans AND agents — must be in the relay member roster.

Setup steps

  1. cd deploy/compose && cp .env.example .env, then edit .env:
    • Secrets are all generated/invented locally. Nothing comes from a portal. openssl rand -hex 32 for BUZZ_RELAY_PRIVATE_KEY and BUZZ_GIT_HOOK_HMAC_SECRET; invent Postgres/Redis/S3 passwords (Compose creates those services with whatever you set).
    • RELAY_OWNER_PUBKEY = the user's own pubkey, 64-char hex, from their Buzz Desktop profile. Footgun: this var has no BUZZ_ prefix — easy to miss among neighbors that all do.
    • BUZZ_RELAY_PRIVATE_KEY is the relay's identity. Set once, never rotate; back up .env itself.
    • Pin BUZZ_IMAGE to a release tag for anything long-lived; :main moves daily.
  2. Set the URL block (BUZZ_DOMAIN, RELAY_URL, BUZZ_MEDIA_BASE_URL, BUZZ_MEDIA_SERVER_DOMAIN, BUZZ_CORS_ORIGINS) — all derive from one host choice. See the localhost footgun below before choosing.
  3. ./run.sh config (validates; catches leftover CHANGE_ME), then ./run.sh start. TLS on a public domain: BUZZ_COMPOSE_TLS=true ./run.sh start.
  4. Liveness: curl -fsS http://127.0.0.1:3000/_liveness.
  5. Register members: ./run.sh add-member <pubkey> for every human and every agent, with sleep 1 between adds (same-second roster events collide). Verify with ./run.sh list-members.
  6. Connect the desktop app with the exact RELAY_URL, create channels, add agents to channels, @mention.

Read the full file on GitHub · 106 lines

Files

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.

Changes

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.

  1. 10d ago First seen · 106 lines · 42 tokens per session scan A 1064d0021957

Subscribe to this mod's changes

buzz-self-hosting is a skill published in the GitHub repository tonbistudio/buzz-skills (263 stars, last pushed 1mo ago), licensed MIT. It adds 42 tokens to every session and 2,318 once invoked, about $0.0002 per session on Opus 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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