Schema exchange

Schema-driven data exchange with external service endpoints. Validates requests and responses against JSON Schema.

Property	Value
Server ID	long-tail-schema-exchange
Category	Data
AI required	No
Credential providers	None
Tools	2

Compile hints

Validates requests before sending and responses after receiving. Embed request_schema and response_schema as STATIC values. Exchange output: { status, data, headers, elapsed_ms, validated }. API response is in .data field. For auth, prefer credential_provider over manual token wiring.

Tools

exchange

Exchange data with an external service endpoint under schema enforcement. Validates request body against request_schema before sending and response body against response_schema after receiving.

Read-safe: No · Gate: builder

Parameter	Type	Required	Description
endpoint	string	No	Service endpoint URL. Either endpoint or url is required
url	string	No	Alias for endpoint
method	string	Yes	HTTP method: GET, POST, PUT, DELETE, PATCH
headers	object	No	Request headers
query	object	No	Query parameters
body	any	No	Request body (validated against request_schema if provided)
request_schema	object	No	JSON Schema for request body validation
response_schema	object	No	JSON Schema for response body validation
timeout_ms	number	No	Request timeout in milliseconds
credential_provider	string	No	Credential provider name. Resolves auth from the connection store with the calling principal’s identity
credential_label	string	No	Credential label for multi-credential accounts
auth_scheme	string	No	Auth scheme (default: Bearer)
auth_header	string	No	Header name for credential (default: Authorization)

validate_schema

Validate any value against a JSON Schema without making a network call. Useful for pre-validation, testing, and transform verification.

Read-safe: Yes · Gate: caller

Parameter	Type	Required	Description
data	any	Yes	The value to validate
schema	object	Yes	JSON Schema to validate against