hamgarian

Bridgeseek — Development skill for Claude Code

Development community

A free, multi-account DeepSeek Web API bridge for tool-calling agents like 9Router and Claude Code.

How to install Bridgeseek

This entry records only its repository, not the path inside it, so there is no exact command to give. Open hamgarian/bridgeseek and copy the folder into ~/.claude/skills/, or the file into ~/.claude/agents/.

What Bridgeseek does

A free, multi-account DeepSeek Web API bridge for tool-calling agents like 9Router and Claude Code.

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README

BridgeSeek: Free DeepSeek API

![BridgeSeek Banner](banner.png)

A local FastAPI bridge that exposes the **chat.deepseek.com** web backend as OpenAI- and Anthropic-compatible HTTP APIs, giving you a **free DeepSeek API** experience using your own authenticated browser session. Any client that speaks the OpenAI `chat/completions` or Anthropic `messages` protocol can use DeepSeek Chat, DeepSeek Reasoner, and DeepSeek Search seamlessly.

It is designed to drop into tool-calling agents (e.g. 9Router / Claude Code style runtimes): it translates tool definitions into DeepSeek's prompt format, parses tool-call blocks back out of the model output, and maintains stable upstream chat sessions across multi-turn tool use.

[!WARNING] **Disclaimer:** Using this bridge automates the DeepSeek web interface, which violates their Terms of Service. Your DeepSeek account **may be banned or suspended** if you generate excessive traffic or if they detect automation. Use this tool responsibly and entirely at your own risk.

Features

OpenAI-compatible API — POST /v1/chat/completions (streaming & non-streaming).
Anthropic-compatible API — POST /v1/messages plus POST /v1/messages/count_tokens.
Tool / function calling — converts OpenAI tools and Anthropic tools into a task-framed prompt, then parses blocks (with brace-aware, DSML / Anthropic-XML, and bare-JSON fallbacks) back into structured tool calls.
Incremental Tool Turns — tool turns reuse existing upstream chats by default and send only incremental messages, saving context budget (BRIDGE_TOOL_FRESH_SESSION).
Reasoning support — emits DeepSeek "thinking" output as reasoning deltas.
Web search — deepseek-search model surfaces search / open-page fragments (unwraps SSE BATCH envelopes).
File uploads — images and documents are uploaded to DeepSeek, polled until ready, and referenced as attachments in the conversation.
Session reuse & recovery