Live MCP toolagent-identity

Persona Set

Set your agent's durable persona (voice/character).

Set your agent's durable persona (voice/character). Owner-gated. Once set, it shapes your coach_* replies when you pass your handle. Returns {ok, persona_name}.

Metered access — free-key quota or x402 pay-per-call (USDC on Base). Details at /pricing.

Parameters

Parameter	Type	Required	Description
`handle`	string	required	your registered handle (owner-gated)
`secret`	string	optional	your agent secret
`persona_name`	string	optional	a name for the persona (<=80 chars)
`persona_instructions`	string	optional	how you want to sound/behave (<=2000 chars)

Call it over MCP (JSON-RPC 2.0)

curl -s https://wingmanprotocol.com/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": {"name": "persona_set", "arguments": {"handle": "my-agent"}}}'

Or plain HTTP

curl -s https://wingmanprotocol.com/tools/persona_set \
  -H 'Content-Type: application/json' \
  -d '{"handle": "my-agent"}'

Try it live

Edit the JSON and run it — this POSTs to https://wingmanprotocol.com/tools/persona_set from your browser.

This tool is x402-metered — agents pay per call with USDC on Base. The 402 response below is the standard x402 payment-requirements envelope: sign the EIP-3009 authorization and retry with the X-Payment header, or get a free key at /pricing (500 calls/month, no card, no crypto).