navop

navop is a skill for Claude Code, Codex from feigeCode/navop-mcp. It costs 28 tokens per session (989 once invoked), scanned A, original, MIT.

Instructions for using terminal commands to operate resources exposed by a running Navop desktop application through its authenticated local connection.

In plain words
What is it for?
Use it to check Navop's status, discover available resources, and run approved operations from the terminal. Every agent command must request JSON output.
Why use it?
They keep the agent aware of Navop's permissions, available tools, sessions, results, and audit records instead of having the agent implement those systems itself.

Skill for Claude CodeCodex

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

Good fit Use it to check Navop's status, discover available resources, and run approved operations from the terminal. Every agent command must request JSON output.

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Install with agentmods
npx agentmods add skills/feigecode/navop-mcp/navop
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 feigeCode/navop-mcp --skill navop
Clone the repo
git clone --depth 1 https://github.com/feigeCode/navop-mcp

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 navop

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

Your own site · 80×15
<a href="https://agentmods.dev/skills/feigecode/navop-mcp/navop"><img src="https://agentmods.dev/badge/skills/feigecode/navop-mcp/navop.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 989 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00028 $0.00989
Opus 5 $0.00014 $0.00495
Sonnet 5 $0.00006 $0.00198
Haiku 4.5 $0.00003 $0.00099

Measured 12d ago against content hash 0b8da01a2c17, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

navop 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 12d 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.

packages/cli/skills/navop/SKILL.md · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Use this Skill when an AI Agent needs to operate Navop resources from a terminal. It keeps a compact workflow in context and loads command help or live schemas only when needed, so the Agent does not carry the complete Navop tool catalog in every turn. This can reduce repeated tool-definition tokens and other context overhead; the amount depends on the client and the number of exposed tools.

The CLI still connects internally to Navop's authenticated loopback Public MCP runtime. Navop remains authoritative for Tool Exposure, permissions, approvals, resource IDs, sessions, results, and audit records. The CLI does not implement SSH, SFTP, terminal, database, Redis, or MongoDB business logic.

The Navop CLI must be installed globally before this Skill can operate resources. Check the command, and install the latest client when it is missing:

navop --version
npm install -g @navop/cli@latest
navop --version

Every Agent-initiated command must include --json. Start with:

navop status --json

Read the status result before choosing a tool:

  • If Public MCP is unavailable, ask the user to start Navop and enable Settings > General > MCP > MCP Server.
  • Inspect permissionMode, availableTools, toolGroups, disabledToolGroups, and guidance.
  • Treat the running host's tools/list response and navop.runtime_status result as authoritative. The npm package and this Skill do not define the host's complete tool set.
  • If a tool is unavailable, report its exact name and host-reported tool-group state. Ask the user to enable that group under the returned settingsPath and open the required connection or session.
  • deny blocks mutations. ask requires approval in Navop. allow runs mutations automatically, but still requires clear user intent for destructive actions.
  • Never claim a capability is enabled merely because the CLI has a convenience command; the live availableTools list is authoritative.

Discover the current client and available command surface when needed:

navop --help
navop tool list --json
navop tool schema <tool-name> --json
navop db query --help
navop db exec --help

Prefer a domain command whenever navop --help exposes one for the requested operation. Domain commands are the normal Agent interface; tool call is a low-level fallback, not the default. Use the command's help and validate its flags against the live schema.

For SQL, choose the command by intent:

  • Read-only statements use navop db query.
  • DDL, DML, scripts, and other write-capable SQL use navop db exec.
  • When navop db exec is available, do not replace it with navop tool call db.exec.
  • Do not pass onetcli-only policy flags such as --allow-write to the navop CLI. Navop's live permissionMode and approval flow govern mutations.

Only when no matching domain command is exposed, or when its mapping cannot represent the live input schema, call the exact host tool:

navop tool call <tool-name> --arguments '<json-object-matching-live-schema>' --json

Never invent a command, tool name, flag, argument, resource ID, or session ID from examples in this Skill. Discover resource and session methods from tool list, inspect their schemas, and use only IDs returned by Navop.

Read the full file on GitHub · 88 lines

Files

What ships with it

4 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.

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. 12d ago First seen · 88 lines · 28 tokens per session scan A 0b8da01a2c17

Subscribe to this mod's changes

navop is a skill published in the GitHub repository feigeCode/navop-mcp (4 stars, last pushed 16d ago), licensed MIT. It adds 28 tokens to every session and 989 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 2026-08-31.

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