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/chrischall/resy-mcp/resynpx skills add chrischall/resy-mcp --skill resygit clone --depth 1 https://github.com/chrischall/resy-mcpWrote 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/chrischall/resy-mcp/resy)<a href="https://agentmods.dev/skills/chrischall/resy-mcp/resy"><img src="https://agentmods.dev/badge/skills/chrischall/resy-mcp/resy.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 | $0.00097 | $0.02183 |
| Opus 5 | $0.00048 | $0.01092 |
| Sonnet 5 | $0.00019 | $0.00437 |
| Haiku 4.5 | $0.00010 | $0.00218 |
Grade A, and why
resy 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 today.
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 — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.
resy-mcp
MCP server for Resy — natural-language restaurant reservation management. Uses Resy's private web-app API with email + password auth.
- npm: npmjs.com/package/resy-mcp
- Source: github.com/chrischall/resy-mcp
⚠️ Resy does not publish an official API. This server uses the same private endpoints the Resy web app calls, with the public web-app
api_keyand user-level auth via email + password. Use at your own discretion.
Setup
Option A — npx (recommended)
Add to .mcp.json in your project or ~/.claude/mcp.json:
{
"mcpServers": {
"resy": {
"command": "npx",
"args": ["-y", "resy-mcp"],
"env": {
"RESY_EMAIL": "[email protected]",
"RESY_PASSWORD": "yourpassword"
}
}
}
}
Option B — from source
git clone https://github.com/chrischall/resy-mcp
cd resy-mcp
npm install && npm run build
Then add to .mcp.json:
{
"mcpServers": {
"resy": {
"command": "node",
"args": ["/path/to/resy-mcp/dist/bundle.js"],
"env": {
"RESY_EMAIL": "[email protected]",
"RESY_PASSWORD": "yourpassword"
}
}
}
}
Or place .env in the project directory with RESY_EMAIL= and RESY_PASSWORD=.
Authentication
RESY_EMAIL+RESY_PASSWORDare required. The client logs in lazily on first request viaPOST /3/auth/password, caches the returned token for the process lifetime, and re-logs automatically on 401 / 419 / auth-like 500 responses.RESY_API_KEYis optional. If unset, the client uses the public web-app key baked into resy.com's JS bundle. Override only if Resy rotates it.
Tools
User
| Tool | Description |
|---|---|
resy_get_profile(view?) |
Current user profile — name, email, phone, booking count, member-since. Payment method IDs are stripped. |
resy_list_payment_methods(view?) |
List saved payment methods (id, brand, last_four, exp_month, exp_year, is_default). The id feeds resy_book's payment_method_id. |
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.
- today Changed · +44 lines bc5ee0b987d2
- 5d ago First seen · 139 lines · 97 tokens per session scan A 1b96d765cb01
resy is a skill published in the GitHub repository chrischall/resy-mcp (1 stars, last pushed today), licensed MIT. It adds 97 tokens to every session and 2,183 once invoked, about $0.0005 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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