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my-pi/pi-web-search/README.md
T
云服务部-叶林立andDevin <158243242+devin-ai-integration[bot]@users.noreply.github.com> 0c9823ef5c feat(pi-web-search): 搜索凭据迁移到 Pi auth.json
三个搜索 key 改为 auth.json 中的 tavily/exa/keenable api_key 凭据,
pi-web-search/auth.ts 复刻上游 resolve-config-value 语义(!command、
$VAR 插值、credential env 优先、$$/$! 转义)并在每次调用时读取,
进程环境变量与 search.env 不再被直接读取。search_config.sh 重写为
scripts/search-auth.mjs 的薄封装:加锁原子写、权限 600、保留其他
凭据条目,支持 --migrate 从旧 search.env 一次性导入。

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Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>
2026-10-19 20:39:13 -07:00

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Markdown

# pi-web-search
Unified web search and fetch for Pi. The main model only ever sees two tools —
`web_search` and `web_fetch` — provider selection happens inside the extension.
- `web_search(query, max_results?, site?, published_after?, published_before?, depth?)`
routes each query to Tavily, Exa, or Keenable using the session's current main
model (`ctx.model` + `ctx.modelRegistry.complete`), guided by per-provider
rules. Results include `details.provider` / `details.routedBy` for debugging.
- `web_fetch(urls, max_characters?)` always reads pages via Exa
(`web_fetch_exa`), degrading silently to Keenable then Tavily.
## Providers (`clients/`)
Plain `fetch` calls — no MCP adapter, no upstream extension wrappers:
- `clients/tavily.ts` — `POST api.tavily.com/search|extract`, Bearer key.
Requires a `tavily` credential.
- `clients/keenable.ts` — `api.keenable.ai`, keyless `/public` endpoints by
default, a `keenable` credential raises rate limits. Adapted from
`@keenable/pi-search`.
- `clients/exa.ts` — JSON-RPC over `mcp.exa.ai/mcp` (Streamable HTTP):
`initialize` once, cache `mcp-session-id`, `tools/call` per request, re-init
on session expiry. An `exa` credential is optional (`x-api-key` header).
Keys live in Pi's `auth.json` as one `api_key` credential per provider
(`tavily`, `exa`, `keenable`), read by `auth.ts` with upstream resolution
semantics — literal values, `$VAR`/`${VAR}` interpolation, and `!command`
indirection (e.g. `"!op read op://Vault/Tavily/key"`). `search_config.sh`
writes them (atomically, mode 600, preserving all other entries); process
environment variables are not read directly — use `"key": "$TAVILY_API_KEY"`
to indirect through env. `KEENABLE_API_URL` stays env-only, or can be stored
in the keenable credential's `env` map.
## Routing
`router.ts` asks the current model to answer with exactly one provider name,
given a prompt containing the per-provider strengths and the query's requested
filters. Decisions are cached per session (LRU, 32 entries). Failure paths are
deterministic: an unroutable answer or a dead provider falls back across the
remaining available providers — never a heuristic choice over the model.