Provider-specific web tool guidance

This release surfaces provider-specific web tool guidance so agents can choose the right search and content options for each backend. It also refreshes provider SDK dependencies and keeps Parallel-backed web search and contents compatible with the current SDK.

🚀 Features

Provider-specific web tool guidance

Provider-specific web tool guidance is now surfaced in the registered web_search tool, making it easier for agents to choose provider-specific options such as source filters, recency controls, search depth, and provider modes.

Valyu exposes more of its provider options for web_search and web_contents, including source filters, date filters, summary, extractEffort, responseLength, maxPriceDollars, and screenshot:

{
  "tools": {
    "search": "valyu",
    "contents": "valyu"
  },
  "providers": {
    "valyu": {
      "credentials": {
        "api": "VALYU_API_KEY"
      },
      "options": {
        "contents": {
          "summary": true,
          "responseLength": "medium"
        }
      }
    }
  }
}

By @mavam and @codex in #21.

🐞 Bug fixes

Parallel compatibility with the current SDK

Parallel-backed web_search and web_contents continue to work with the current Parallel SDK.

By @mavam and @codex in #32.

Provider SDK dependency updates

Bun-based installs now use refreshed provider SDK dependencies for Claude, Gemini, Firecrawl, Codex, Exa, OpenAI, and Valyu.

SDK	Previous	Current
@anthropic-ai/claude-agent-sdk	0.3.177	0.3.185
@google/genai	2.8.0	2.9.0
@mendable/firecrawl-js	4.25.4	4.28.2
@openai/codex-sdk	0.139.0	0.141.0
exa-js	2.13.0	2.14.0
openai	6.42.0	6.44.0
valyu-js	2.8.0	2.9.0

The exposed provider options now include current OpenAI web search controls (searchContextSize, allowedDomains, and userLocation), Exa freshness and content controls, Firecrawl domain filters and scrape options, and Valyu source, answer, and research controls.

No longer supported options are no longer advertised, including Exa deep-max search mode and Valyu answer/research responseLength.

By @mavam and @codex in #34.