FIXSIM MCP Tools
FIXSIM exposes 21 tools. Each one has its own page with the configuration for every client that can run this server.
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fixsim_list_orders_outfixsim list orders out
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sandbox_get_statussandbox get status
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fixsim_send_orderfixsim send order
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fixsim_list_orders_infixsim list orders in
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fixsim_list_executions_infixsim list executions in
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fixsim_act_on_ordersfixsim act on orders
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sandbox_set_autofillsandbox set autofill
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fixsim_cancel_order_outfixsim cancel order out
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fixsim_list_sessionsfixsim list sessions
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fixsim_list_executions_outfixsim list executions out
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fixsim_get_sessionfixsim get session
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sandbox_act_on_ordersandbox act on order
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fixsim_get_order_infixsim get order in
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sandbox_get_orderssandbox get orders
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sandbox_get_messagessandbox get messages
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sandbox_create_sessionsandbox create session
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sandbox_end_sessionsandbox end session
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fixsim_send_raw_fixfixsim send raw fix
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fixsim_list_instancesfixsim list instances
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fixsim_list_securitiesfixsim list securities
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sandbox_get_sessionsandbox get session
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.