ntfy-mcp-server: Instructions file for Codex

AGENTS.md

ntfy-mcp-server AGENTS.md is an instructions file for Codex, OpenCode from cyanheads/ntfy-mcp-server. It costs 9,546 tokens per session, scanned A, original, Apache-2.0.

Project-specific instructions for developing the ntfy-mcp-server, a server that connects AI assistants to ntfy notifications.

In plain words
What is it for?
They help developers understand the server's architecture, consult its ntfy API references, and decide on tasks such as adding tools, resources, or prompts.
Why use it?
They give contributors the required documentation, framework conventions, supported runtimes, and project workflow in one place.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: reads .claude/ paths; mentions .claude-plugin; mentions CLAUDE.md.

This is cyanheads/ntfy-mcp-server's own configuration. It tells Codex and OpenCode how to work on ntfy-mcp-server itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything ntfy-mcp-server configures →

Reuse

Borrowing it

Nothing to install: this file belongs to cyanheads/ntfy-mcp-server. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/cyanheads/ntfy-mcp-server/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/cyanheads/ntfy-mcp-server

Made for: Codex, OpenCode.

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 ntfy-mcp-server AGENTS.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/cyanheads/ntfy-mcp-server/agents-md"><img src="https://agentmods.dev/badge/instructions/cyanheads/ntfy-mcp-server/agents-md/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 ntfy-mcp-server AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/cyanheads/ntfy-mcp-server/agents-md"><img src="https://agentmods.dev/badge/instructions/cyanheads/ntfy-mcp-server/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 9,546 This file is loaded in full into every session.
When invoked 9,546 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 $0.09546 $0.09546
Opus 5.5 $0.03818 $0.03818
Sonnet 5.5 $0.01909 $0.01909
Haiku 4.5 $0.00955 $0.00955

Measured 7d ago against content hash 9517422435df, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

ntfy-mcp-server AGENTS.md 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 7d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

AGENTS.md · 494 lines

How it starts

The opening of the file, as written. The whole thing — 494 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Developer Protocol

Server: ntfy-mcp-server Version: 2.3.7 Framework: @cyanheads/mcp-ts-core ^0.13.15 Engines: Bun ≥1.4.0, Node ≥24.0.0 MCP SDK: @modelcontextprotocol/server ^2.3.1 (via the framework) Zod: ^4.6.6

Read the framework docs first: node_modules/@cyanheads/mcp-ts-core/CLAUDE.md contains the full API reference — builders, Context, error codes, exports, patterns. This file covers server-specific conventions only.

ntfy upstream API docs: mirrored under docs/ntfy/ — publish.md, subscribe/api.md, emojis.md, examples.md, index.md. See docs/ntfy/SOURCES.md for the pinned commit and refresh steps.


What's Next?

When the user asks what to do next, what's left, or needs direction, you can suggest relevant options based on the current project state. Some common next steps:

  1. Re-run the setup skill — ensures CLAUDE.md, skills, structure, and metadata are populated and up to date with the current codebase
  2. Run the design-mcp-server skill — if the tool/resource surface hasn't been mapped yet, work through domain design
  3. Add tools/resources/prompts — scaffold new definitions using the add-tool, add-app-tool, add-resource, add-prompt skills
  4. Add services — scaffold domain service integrations using the add-service skill
  5. Add tests — scaffold tests for existing definitions using the add-test skill
  6. Field-test definitions — exercise tools/resources/prompts with real inputs using the field-test skill, get a report of issues and pain points
  7. Run devcheck — lint, format, typecheck, and security audit
  8. Run the security-pass skill — audit handlers for MCP-specific security gaps: output injection, scope blast radius, input sinks, tenant isolation
  9. Run the polish-docs-meta skill — finalize README, CHANGELOG, metadata, and agent protocol for shipping
  10. Run the maintenance skill — investigate changelogs, adopt upstream changes, and sync skills after bun update --latest

Read the full file on GitHub · 494 lines

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. 7d ago Changed · +15 lines · +267 tokens per session 9517422435df
  2. 15d ago Changed · +1 lines · +519 tokens per session f36609b464a7
  3. 1mo ago Changed · +10 lines · +556 tokens per session 84da02762713
  4. 1mo ago Changed · +3 lines · +649 tokens per session 03bb0eb8cb0e
  5. 1mo ago Changed · +4 tokens per session 38fc88286a56
  6. 1mo ago First seen · 465 lines · 7,551 tokens per session scan A 6bc3d1951558

Subscribe to this mod's changes

ntfy-mcp-server AGENTS.md is an instructions file published in the GitHub repository cyanheads/ntfy-mcp-server (23 stars, last pushed 5d ago), licensed Apache-2.0. It adds 9,546 tokens to every session, about $0.0382 per session on Opus 5.5. 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 2026-08-30.

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