# `ExMCP.Reliability.Supervisor.ClientWrapper`
[🔗](https://github.com/azmaveth/ex_mcp/blob/v1.0.0/lib/ex_mcp/reliability/supervisor.ex#L433)

Wrapper process that integrates reliability features for MCP clients.

This process intercepts calls to the underlying client and applies:
- Circuit breaker protection
- Retry logic with exponential backoff
- Health monitoring integration
- A bound on concurrently in-flight requests

## Options

- `:client` - the wrapped `ExMCP.Client` pid (required)
- `:circuit_breaker` - circuit breaker pid, or `nil` to disable
- `:retry_opts` - retry policy passed to `ExMCP.Reliability.Retry`
- `:max_concurrency` - maximum requests executing at once (default: 100).
  Calls beyond the limit are rejected with `{:error, :too_many_requests}`
  instead of spawning unbounded work against a struggling server.

# `child_spec`

Returns a specification to start this module under a supervisor.

See `Supervisor`.

# `start_link`

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*Consult [api-reference.md](api-reference.md) for complete listing*