···11+ISC License
22+33+Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>
44+55+Permission to use, copy, modify, and distribute this software for any
66+purpose with or without fee is hereby granted, provided that the above
77+copyright notice and this permission notice appear in all copies.
88+99+THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
1010+WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1111+MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
1212+ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
1313+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
1414+ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
1515+OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** OCaml Eio library for Claude Code CLI.
2738 This library provides an interface to the Claude Code command-line interface
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Client interface for interacting with Claude.
2738 This module provides the high-level client API for sending messages to
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Content blocks in messages. Opaque types without wire concerns.
2738 This module provides opaque wrapper types around the proto content block
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Control messages for Claude session management.
2738 Control messages are used to manage the interaction flow with Claude,
+5
lib/err.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Error handling for claudeio. *)
2738type t =
+5
lib/err.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Error handling for claudeio. *)
2738type t =
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Fully typed hook callbacks.
2738 Hooks allow you to intercept and control events in Claude Code sessions,
+5
lib/incoming.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16let src =
27 Logs.Src.create "claude.incoming" ~doc:"Incoming messages from Claude CLI"
38
+5
lib/incoming.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Incoming messages from the Claude CLI.
2738 This module defines a discriminated union of all possible message types that
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Messages exchanged with Claude. Opaque types.
2738 This module provides opaque message types that wrap the proto types but hide
+5
lib/model.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16type t =
27 [ `Sonnet_4_5
38 | `Sonnet_4
+5
lib/model.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Claude AI model identifiers.
2738 This module provides type-safe model identifiers based on the Python SDK's
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Permission control for tool usage.
2738 This module provides a permission system for controlling which tools Claude
+5
lib/response.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16module Text = struct
27 type t = Content_block.Text.t
38
+5
lib/response.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** High-level response events from Claude.
2738 This module provides a unified interface for handling different types of
+5
lib/sdk_control.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16let src =
27 Logs.Src.create "claude.sdk_control" ~doc:"Claude SDK control protocol"
38
+5
lib/sdk_control.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** SDK Control Protocol for Claude.
2738 This module defines the typed SDK control protocol for bidirectional
+5
lib/server_info.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Server capabilities and metadata. *)
2738type t = {
+5
lib/server_info.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Server capabilities and metadata.
2738 This module provides a high-level interface for querying server capabilities
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Structured output configuration using JSON Schema.
2738 This module provides structured output support for Claude, allowing you to
+5
lib/tool_input.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Opaque tool input with typed accessors. *)
2738type t = Jsont.json
+5
lib/tool_input.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Opaque tool input with typed accessors.
2738 Tool inputs are JSON objects representing parameters passed to tools. This
+5
lib/transport.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16open Eio.Std
2738let src = Logs.Src.create "claude.transport" ~doc:"Claude transport layer"
+5
lib/transport.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16val src : Logs.Src.t
27(** The log source for transport operations *)
38
+5
lib/unknown.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Unknown fields for capturing extra JSON object members.
2738 This module provides a type and utilities for preserving unknown/extra
+5
lib/unknown.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Unknown fields for capturing extra JSON object members.
2738 This module provides a type and utilities for preserving unknown/extra
+5
proto/content_block.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16module Text = struct
27 type t = { text : string; unknown : Unknown.t }
38
+5
proto/content_block.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Content blocks for Claude messages wire format.
2738 This module defines the wire format types for content blocks that can appear
+5
proto/control.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Control protocol wire format for SDK communication. *)
2738module Request = struct
+5
proto/control.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Control protocol wire format for SDK communication.
2738 This module defines the wire format for the SDK control protocol used for
+5
proto/hooks.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Claude Code Hooks System - Wire Format
2738 This module defines the wire format for hook configuration. *)
+5
proto/hooks.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Claude Code Hooks System - Wire Format
2738 This module defines the wire format for hook configuration. Hooks allow you
+5
proto/incoming.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Incoming messages from Claude CLI.
2738 This uses the Control module's request_envelope_jsont and
+5
proto/incoming.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Incoming messages from the Claude CLI.
2738 This module defines a discriminated union of all possible message types that
+5
proto/message.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16module User = struct
27 type content = String of string | Blocks of Content_block.t list
38 type t = { content : content; unknown : Unknown.t }
+5
proto/message.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Messages exchanged with Claude wire format.
2738 This module defines the wire format types for messages that can be sent to
+5
proto/model.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16type t =
27 [ `Sonnet_4_5
38 | `Sonnet_4
+5
proto/model.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Claude AI model identifiers for protocol encoding.
2738 This module provides type-safe model identifiers with JSON encoding/decoding
+5
proto/options.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Wire format for Claude configuration options. *)
2738(** Setting sources *)
+5
proto/options.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Wire format for Claude configuration options.
2738 This module provides the protocol-level wire format encoding/decoding for
+5
proto/outgoing.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Outgoing messages to Claude CLI.
2738 This uses the Message.jsont for conversation messages and Control envelope
+5
proto/outgoing.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Outgoing messages to the Claude CLI.
2738 This module provides encoding for all message types that can be sent to the
+5
proto/permissions.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Permission system wire format for Claude tool invocations.
2738 This module provides the wire format encoding/decoding for permission types
+5
proto/permissions.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Permission system wire format for Claude tool invocations.
2738 This module provides the wire format encoding/decoding for permission types
+5
proto/structured_output.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Structured output wire format implementation. *)
2738type t = { json_schema : Jsont.json }
+5
proto/structured_output.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Structured output configuration using JSON Schema.
2738 This module provides the wire format types for structured output support,
+5
proto/unknown.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Unknown fields for preserving extra JSON object members during
27 round-tripping.
38
+5
proto/unknown.mli
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Unknown fields for preserving extra JSON object members during
27 round-tripping.
38
+5
test/advanced_config_demo.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(* Advanced Configuration Demo
2738 This example demonstrates the advanced configuration options available
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(* Example demonstrating structured output with JSON Schema *)
2738module C = Claude
+5
test/structured_output_simple.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(* Simple example showing structured output with explicit JSON Schema *)
2738module C = Claude
+5
test/test_incoming.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(** Test the Incoming message codec *)
2738let test_decode_user_message () =
+5
test/test_json_utils.ml
···11+(*---------------------------------------------------------------------------
22+ Copyright (c) 2025 Anil Madhavapeddy <anil@recoil.org>. All rights reserved.
33+ SPDX-License-Identifier: ISC
44+ ---------------------------------------------------------------------------*)
55+16(* Helper functions for JSON operations in tests using jsont codecs *)
2738let to_string ?(minify = false) json =