OpenClacky is an open-source AI coding agent that uses OpenAI-compatible models to perform tasks through tools and subagents. It is intended for developers who want an agent with flexible model choice and lower token usage. The catalogue skills and agents extend its workflows and capabilities.
Getting it into your agent
There is no command for this one: it runs only inside a plugin, and the catalogue could not identify which plugin ships it. The source is linked below.
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.
[](https://agentmods.dev/skills/clacky-ai/openclacky/mcp-manager)<a href="https://agentmods.dev/skills/clacky-ai/openclacky/mcp-manager"><img src="https://agentmods.dev/badge/skills/clacky-ai/openclacky/mcp-manager/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.
<a href="https://agentmods.dev/skills/clacky-ai/openclacky/mcp-manager"><img src="https://agentmods.dev/badge/skills/clacky-ai/openclacky/mcp-manager.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00081 | $0.03351 |
| Opus 5 | $0.00041 | $0.01675 |
| Sonnet 5 | $0.00016 | $0.00670 |
| Haiku 4.5 | $0.00008 | $0.00335 |
Grade B, and why
mcp-manager scanned grade B with 2 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.
Sends data to an external URLmediumData exfiltration
A POST to an outside endpoint may be telemetry or may be exfiltration; either way the mod talks to somewhere, and you should know where.
| Add a server | `curl -s -X POST ${BASE}/api/mcp -H 'Content-Type: application/json' -d '{...}'` | Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
| List configured servers | `curl -s ${BASE}/api/mcp` | How it starts
The opening of the file, as written. The whole thing — 337 lines — stays where its author put it; the contents beside it link to each section on GitHub.
MCP Manager Skill
Manage MCP servers for openclacky. The user's MCP configuration lives at
~/.clacky/mcp.json (the same format Claude Desktop and Cursor use). You never
ask the user to edit it by hand — you do it for them through the local clacky
HTTP API.
Command Parsing
| User says | Subcommand |
|---|---|
add mcp, install mcp, connect <something>, "I want clacky to read my files / access github / query my db / search the web" |
add |
mcp list, mcp status, "what mcps do I have" |
list |
mcp probe <name>, "what tools does have" |
probe |
mcp remove <name>, mcp delete <name> |
remove |
mcp reconfigure <name>, mcp fix <name> |
reconfigure |
If the intent is unclear, default to add — it's the most common ask.
Server Coordinates
All API calls go to the local clacky server. The host and port are exposed via environment variables:
HOST="${CLACKY_SERVER_HOST:-127.0.0.1}"
PORT="${CLACKY_SERVER_PORT:-7070}"
BASE="http://${HOST}:${PORT}"
All write operations require requests to come from 127.0.0.1 or ::1. They
will, because we're running locally.
API Cheat Sheet
| Action | Call |
|---|---|
| List configured servers | curl -s ${BASE}/api/mcp |
| Add a server | curl -s -X POST ${BASE}/api/mcp -H 'Content-Type: application/json' -d '{...}' |
| Update a server | curl -s -X PUT ${BASE}/api/mcp/<name> -H 'Content-Type: application/json' -d '{...}' |
| Remove a server | curl -s -X DELETE ${BASE}/api/mcp/<name> |
| Probe tools | curl -s -X POST ${BASE}/api/mcp/<name>/probe |
Request body for create/update — stdio (local process, default):
{
"name": "filesystem",
"command": "npx",
"args": ["-y", "@modelcontextprotocol/server-filesystem", "/Users/me/Documents"],
"env": { "API_KEY": "xxx" },
"description": "Read/write files in ~/Documents"
}
Request body for create/update — http (remote server, streamable-http):
{
"name": "linear",
"type": "http",
"url": "https://mcp.linear.app/sse",
"headers": { "Authorization": "Bearer lin_api_xxx" },
"description": "Linear issues and projects"
}
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.
- 12d ago First seen · 337 lines · 81 tokens per session scan B ebb7b2d7eb36
mcp-manager is a skill published in the GitHub repository clacky-ai/openclacky (1,187 stars, last pushed today), licensed MIT. It adds 81 tokens to every session and 3,351 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it B with 2 findings (sends data to an external url, 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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