Jwt Generator MCP tool
findutils:jwt_generator Generate a signed JWT (HS256, HS384, or HS512 via HMAC) and return the token plus the decoded header and payload. The payload contains sub, name, iat, exp, and any custom claims. Asymmetric algorithms (RS*/ES*) are not supported.
Arguments
application/json-
secret
string required
The HMAC secret used to sign the token.
-
algorithm
string optional
Signing algorithm. Default: HS256. One of
HS256 · HS384 · HS512. Default"HS256". -
subject
string optional
The "sub" claim. Default: "1234567890". Default
"1234567890". -
name
string optional
The "name" claim. Default: "John Doe". Default
"John Doe". -
expires_in
integer optional
Seconds until expiry; exp = iat + expires_in. Default: 3600. Default
3600. -
custom_claims
object optional
Extra claims merged into the payload. An object, or a JSON object string.
-
issued_at
integer optional
Unix timestamp (seconds) for the "iat" claim. Default: now.
Example arguments
Verified{
"secret": "my-secret",
"subject": "u1",
"name": "Ann",
"expires_in": 3600
} More Developer tools
- A2ui Basic Catalog Returns the authoritative basic-catalog JSON Schema (components, functions, theme) for the requested A2UI version.
- A2ui Diff Computes a structural diff between two A2UI JSONL payloads: surfaces added/removed, components added/removed/changed (by id), data-model…
- A2ui Examples Returns one or more canonical A2UI JSONL examples matching a pattern (form, list, wizard, modal, chat, dashboard, checkout, typeahead…
- A2ui Prompt Generates a drop-in LLM system prompt that teaches the model to output valid A2UI JSONL: includes the basic-catalog component / function…
- A2ui Spec Returns A2UI protocol documentation for a given spec version and section.
- A2ui Validate Validates a JSONL A2UI payload against the basic catalog (or a custom catalog) and returns any errors, warnings, or info messages…