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deepseek-harness/examples/jsonrpc-agent
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2026-07-31 01:55:19 +08:00
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jsonrpc-agent

English | 中文

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 real local PTY, filesystem intent policy, and session sandbox policy. The keyless SDK snapshot drives the shipped JSON-RPC runtime through both tools, proves that shell cwd/environment survive across calls, and pins the notification stream, turn result, and persisted JSONL:

pnpm exec vitest run --config vitest.snapshot.config.ts -t persistent-tools