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/activeing123/mcptoon/connectnpx skills add activeing123/mcptoon --skill connectgit clone --depth 1 https://github.com/activeing123/mcptoonWrote 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/activeing123/mcptoon/connect)<a href="https://agentmods.dev/skills/activeing123/mcptoon/connect"><img src="https://agentmods.dev/badge/skills/activeing123/mcptoon/connect.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 | $0.00035 | $0.00699 |
| Opus 5 | $0.00017 | $0.00349 |
| Sonnet 5 | $0.00007 | $0.00140 |
| Haiku 4.5 | $0.00003 | $0.00070 |
Grade A, and why
connect 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.
How it starts
The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Connect agents to MCP servers with mcptoon
mcptoon keeps one config (~/.mcptoon/config.json) as the single source of truth
for every MCP server an agent may use. It syncs that config into Claude Desktop,
Claude Code, Cursor, Codex, Cline, Windsurf and VS Code, and can expose all
servers through one stdio gateway (mcptoon serve).
First move: look before you change anything
mcptoon list # what servers are configured right now
mcptoon doctor # config syntax + connectivity diagnosis
If doctor reports problems, fix those before adding anything new.
Add servers
mcptoon discover # scan + probe locally installed MCP servers
mcptoon discover --write # and write what was found into config
mcptoon add <name> --help # see add options for stdio/http servers
mcptoon install <name> --npm @scope/pkg # from npm
mcptoon install <name> --pip pkg # from pip
mcptoon install <name> --url https://host/mcp # streamable-http / sse
After editing ~/.mcptoon/config.json by hand, validate with mcptoon doctor.
Sync one config to every agent
mcptoon sync # write config into all detected agents
mcptoon sync --dry # preview only
mcptoon sync --agent claude # one agent only
Expose everything through one gateway (recommended for agents)
Instead of registering N servers in an agent, register ONE:
{ "mcpServers": { "mcptoon": { "command": "mcptoon", "args": ["serve"] } } }
mcptoon serve speaks MCP over stdio and forwards to every configured server.
Benefits: one entry in the agent config, tool lists stay compact, and Plugin
skills appear as MCP prompts automatically.
Token efficiency flags
Tool manifests can be huge. When calling mcptoon from a terminal, keep output small on purpose:
mcptoon manifest --toon # standard TOON format (30-60% saved)
mcptoon manifest --slim # ultra-compact schemas (93% saved)
mcptoon manifest --compact # names only (99.8% saved)
mcptoon search <query> # find a tool without dumping the whole manifest
mcptoon inspect <server> <tool> # full schema for exactly one tool
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 · 78 lines · 35 tokens per session scan A 16ab41af3462
connect is a skill published in the GitHub repository activeing123/mcptoon (195 stars, last pushed 3d ago), licensed Apache-2.0. It adds 35 tokens to every session and 699 once invoked, about $0.0002 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.
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