What is nextcloud-mcp AGENTS.md?

Instructions for an AI tool server that connects to Nextcloud, a self-hosted service for files, users, groups, and sharing. They describe administration, file access, sharing, and permission boundaries.

Use them when configuring or operating Nextcloud through tools, including managing users, maintaining the server, handling files, and creating shared links.

They give an agent a clear map of available Nextcloud operations and help prevent it from using tools outside its assigned scope.

How TadMSTR/nextcloud-mcp configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to TadMSTR/nextcloud-mcp. 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/TadMSTR/nextcloud-mcp/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/TadMSTR/nextcloud-mcp

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/tadmstr/nextcloud-mcp/agents-md/github.svg)](https://agentmods.dev/instructions/tadmstr/nextcloud-mcp/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/tadmstr/nextcloud-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/tadmstr/nextcloud-mcp/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/tadmstr/nextcloud-mcp/agents-md"><img src="https://agentmods.dev/badge/instructions/tadmstr/nextcloud-mcp/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 559 This file is loaded in full into every session.

When invoked 559 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.

Model	Per session	Once invoked
Fable 5.1	$0.00559	$0.00559
Opus 5.5	$0.00224	$0.00224
Sonnet 5.5	$0.00112	$0.00112
Haiku 4.5	$0.00056	$0.00056

Measured 2mo ago against content hash d3450f277516, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

nextcloud-mcp 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 2mo 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.

AGENTS.md · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md — nextcloud-mcp

What this server does

Exposes Nextcloud operations as MCP tools:

occ admin — version check, maintenance mode, app management, config, file scan, database maintenance, background jobs, FTS indexing, security check, log tail
OCS provisioning — user and group management, app password generation
WebDAV file ops — list, get, put, move, delete
Share management — create/list/delete public links and user/group shares

Tool groups

Group	Scope	Tools
occ-admin	sysadmin	occ_status, maintenance_mode, app_manage, config_get, config_set, files_scan, files_cleanup, db_add_missing_indices, db_convert_bigint, background_jobs, upgrade_check, security_check, fulltextsearch_index, external_storage_list, notify_push_selftest, log_tail, system_check
ocs-provisioning	sysadmin	user_list, user_create, user_disable, group_create, group_add_member, app_password_create
files	per-agent	dav_list, dav_get, dav_put, dav_move, dav_delete, share_create, share_list, share_delete

scoped-mcp integration (forge)

In ~/.claude/manifests/:

nextcloud-mcp:
  port: 8500
  grants:
    sysadmin:
      - occ-admin
      - ocs-provisioning
      - files
    developer:
      - files
    research:
      - files
    writer:
      - files
    security:
      - files

Important notes

config_set can break Nextcloud. Use config_get to read before writing.
app_password_create returns the password once. Store it in Vault immediately.
fulltextsearch_index --reset wipes and rebuilds the full OpenSearch index. Takes time.
dav_get / dav_put use base64 encoding for binary content.
WebDAV paths are relative to the user's file root (no leading slash needed).
share_create, share_list, share_delete authenticate as admin regardless of calling agent. This is intentional — admin auth is required for cross-user share management via OCS.

Read the full file on GitHub · 56 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.

2mo ago First seen · 56 lines · 559 tokens per session scan A d3450f277516

Subscribe to this mod's changes

nextcloud-mcp AGENTS.md is an instructions file published in the GitHub repository TadMSTR/nextcloud-mcp (0 stars, last pushed 3mo ago), licensed MIT. It adds 559 tokens to every session, about $0.0022 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 2026-08-31.

nextcloud-mcp AGENTS.md next to 6 instructions from other repositories
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nextcloud-mcp AGENTS.mdTadMSTR/nextcloud-mcp	Instructions file	0	3mo ago	MIT	A	559	Codex, OpenCode
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next.js AGENTS.mdvercel/next.js	Instructions file	143k	today	MIT	A	7,461	Codex, OpenCode
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vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	2,022	GitHub Copilot

nextcloud-mcp: Instructions file for Codex