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chrischall

resy-mcp

by chrischall

resy_list_payment_methods

Read-only

Retrieve saved Resy payment methods with brand, last four digits, expiry, and default status, so you can choose a payment method ID for booking.

Instructions

List the user's saved payment methods on Resy. Returns id, brand, last four digits, expiry, and is_default. The id can be passed as payment_method_id to resy_book.

Input Schema

NameRequiredDescriptionDefault
viewNoResponse shape: "compact" (default) drops fields the response already carries elsewhere; "full" returns every field this server understands. compact strips image/avatar URLs from the response; "full" returns Resy's payload untouched. No field projection: this server has no verified record of which Resy fields matter, and inventing one would risk dropping a field a caller needs.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.0.0
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed2 schema fields changedv0.13.0
    • addedInput schema / $schema
      Added value: +"http://json-schema.org/draft-07/schema#"
    • addedInput schema / properties / view
      Added value: +{
      +  "description": "Response shape: \"compact\" (default) drops fields the response already carries elsewhere; \"full\" returns every field this server understands. compact strips image/avatar URLs from the response; \"full\" returns Resy's payload untouched. No field projection: this server has no verified record of which Resy fields matter, and inventing one would risk dropping a field a caller needs.",
      +  "enum": [
      +    "compact",
      +    "full"
      +  ],
      +  "type": "string"
      +}
  3. Addedv0.6.2
  4. Removedv0.6.1
  5. First observedv0.5.1

TDQS

A4.2/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description adds genuine behavioral value by disclosing the return shape (id, brand, last four digits, expiry, is_default) in the absence of an output schema. It does not mention auth requirements or pagination/result limits.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Two tight sentences, front-loaded with the purpose and followed by the return fields and the concrete consumer of the id. Every clause earns its place with no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a read-only list tool with no output schema, the description usefully enumerates the returned fields and links to resy_book, which is what an agent needs to act. It leaves minor gaps around pagination/result completeness and any auth prerequisites.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100% and the sole parameter (view) is fully documented in the schema with an enum and detailed compact/full semantics. The description adds nothing about the parameter, so the baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ("List the user's saved payment methods on Resy") and even enumerates the returned fields, so an agent knows exactly what this produces. No sibling tool lists payment methods, so it is trivially distinguishable from the rest of the catalog.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

It draws the connection to the booking flow by noting the returned id can be passed as payment_method_id to resy_book, which tells the agent when this tool is useful. It stops short of an explicit when-to-use/when-not statement or any exclusion, but the workflow linkage is clear context.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.