deepseek-harness/examples/jsonrpc-agent

jsonrpc-agent

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The unattended coding-agent composition for the Python SDK's bundled JSON-RPC runtime. It intentionally loads no terminal UI, console logger, approval surface, or user-interaction tool because stdout belongs to the SDK protocol and turns are driven by the SDK.

The model-facing tools are:

• bash, foreground only
• read, write, and edit
• subagent, using one foreground in-process spawn provider
• todo_write

The surrounding runtime also loads JSONL session persistence and automatic context compaction. maxTokensAsSuccess keeps a token-limited model turn as an accepted evaluation result while preserving its max-tokens reason.

Runtime environment

Variable	Purpose
DEEPSEEK_API_KEY	Credential passed to the OpenAI-compatible host endpoint
DEEPSEEK_BASE_URL	Host endpoint used by dsh-llm-deepseek
DSH_CWD	Agent workspace for bash and filesystem tools
DSH_MAX_TOKENS_AS_SUCCESS	true (default) accepts token-limited results; false reports them as errors
DSH_SESSION_ROOT	JSONL trajectory directory
DSH_SYSTEM_PROMPT	Deployment-provided coding persona

Pass the config path through the Python SDK's cordis option or DSH_CORDIS_CONFIG. The bundled executable already carries every plugin named by this file; the target machine does not need Node.js.

Persistent tools variant

persistent-tools.cordis.yml is a minimal runnable variant whose model-facing surface is exactly:

• owner-scoped persistent bash
• str_replace_editor with view, create, str_replace, and insert

It composes the local PTY, filesystem intent policy, and session sandbox policy.