Borrowing it
Nothing to install: this file belongs to Edison-Watch/Custom-MCPs. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/Edison-Watch/Custom-MCPs/main/.agents/skills/add-fleet-connector/SKILL.mdgit clone --depth 1 https://github.com/Edison-Watch/Custom-MCPsWrote 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/edison-watch/custom-mcps/add-fleet-connector)<a href="https://agentmods.dev/skills/edison-watch/custom-mcps/add-fleet-connector"><img src="https://agentmods.dev/badge/skills/edison-watch/custom-mcps/add-fleet-connector/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/edison-watch/custom-mcps/add-fleet-connector"><img src="https://agentmods.dev/badge/skills/edison-watch/custom-mcps/add-fleet-connector.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 | $0.00050 | $0.01422 |
| Opus 5 | $0.00025 | $0.00711 |
| Sonnet 5 | $0.00010 | $0.00284 |
| Haiku 4.5 | $0.00005 | $0.00142 |
Grade A, and why
add-fleet-connector 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 6d 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 — 132 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Adding a fleet MCP connector
A fleet connector is one HTTP-wrapper MCP server advertised to the Edison
marketplace. Its source of truth is servers/<id>/catalog-entry.json (+ a
co-located <id>.svg icon) in this repo; edison-watch mirrors it downstream.
Full contract: shared/catalog/README.md.
The one step you cannot skip is classifying every tool the server exposes.
Marketplace installs skip autoconfig auto-labeling, so a tool with no
classification mounts at the protective default (write + read_private +
read_untrusted + SECRET) and trips the lethal-trifecta guard on its first
call - the connector looks broken. make catalog_check fails until every
edison_hosted connector ships a non-empty tools_configurations.
1. Scaffold
make new-connector id=<id> # id: lowercase letters, digits, hyphens
This writes servers/<id>/catalog-entry.json (a skeleton with TODOs, no
tools_configurations yet) and a placeholder servers/<id>/<id>.svg.
The scaffold covers the catalog entry only. You still hand-write the Worker
itself - src/index.ts (the MCP tool over streamable HTTP), wrangler.jsonc,
and test/ - mirroring an existing connector such as servers/reddit.
Auth is shared - re-export it, never copy it. The verify layer
(open | bearer | edison-jwt with JWKS verification) lives once in
shared/auth/ts. Make src/auth.ts and src/jwt.ts one-line re-exports:
// src/auth.ts
export * from "../../../shared/auth/ts/auth";
// src/jwt.ts
export * from "../../../shared/auth/ts/jwt";
Never copy another connector's auth.ts / jwt.ts: it forks security-sensitive
code into an independently-maintained copy, so a bug fixed in one silently
persists in the others.
When you write the tool handler, validate and bound the inputs a PUBLIC caller can send: cap array lengths, verify or allow-list URLs (reject blank, off-domain, or credential-bearing ones), and reject silently-conflicting arguments. An unbounded input forwarded to a paid upstream is an abuse and cost vector.
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.
- 6d ago Changed · +33 lines e05f60a18960
- 9d ago First seen · 99 lines · 50 tokens per session scan A 7146888ef588
add-fleet-connector is a skill published in the GitHub repository Edison-Watch/Custom-MCPs (0 stars, last pushed yesterday), licensed MIT. It adds 50 tokens to every session and 1,422 once invoked, about $0.0003 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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