bowmark

A tool service that lets an AI agent perform actions on live websites through typed functions, such as checking current prices, availability, fares, quotes, or booking forms. It uses Bowmark, which runs short JavaScript scripts against the relevant website functions.

In plain words
What is it for?
It is for looking up live web data, checking stock or availability, pricing products and travel, using configurators, starting bookings, and reporting missing or incorrect web support.
Why use it?
It handles information and actions that ordinary page reading may not provide, especially data hidden behind forms, filters, or logins.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/bowmark-ai/skill/bowmark
Any agent
npx skills add bowmark-ai/skill --skill bowmark
Clone the repo
git clone --depth 1 https://github.com/bowmark-ai/skill

Made for: Claude Code, Codex.

Per session 263 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,770 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00263 $0.03770
Opus 5 $0.00131 $0.01885
Sonnet 5 $0.00053 $0.00754
Haiku 4.5 $0.00026 $0.00377

Measured yesterday against content hash ef636871effa, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

bowmark scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured yesterday.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

bowmark/SKILL.md · 183 lines

How it starts

The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.

bowmark

The web as callable functions. Read the library, write a script, get the result.

The loop

  1. Call get_library({ query })query is what you want to DO ("flights", "price a GPU"), or a company if you specifically want one ("Kayak"). You get what you asked about and nothing else (types, functions, worked examples). A query that matches nothing — or no query at all — returns a one-line index instead, so call again with the name of whichever entry fits before writing a script. Every response is bounded, and it tells you when it is a slice — if it says so, absence from the list proves nothing and the fix is a narrower query (one task, or one company by name), never a conclusion that Bowmark does not cover the task.
  2. Write a short async JavaScript script against the bowmark global, using the exact function names, argument shapes and return types the library gave you.
  3. Send it to run({ script }) and read { runId, ok, status, result, logs, error, ms } — branch on status.

If Bowmark was missing, wrong, or incomplete, call report({ report, runId? }). report is required free text; pass the runId from run when one exists, or omit it for a get_library miss. It records feedback and never retries the run.

Two tiers: capabilities and providers

Capabilities are the default and usually what you want. bowmark.flights.search(...) is one call that fans out across several aggregators, adapts each one's output into a single normalized shape, dedupes the same physical flight across them, ranks the results, and keeps working when one site is down.

Providers are the individual sites, callable directly at bowmark.providers.<provider>.<fn>(...)bowmark.providers.kayak.search(...). They appear in the library only when your query named a company, or when the capability has exactly one provider behind it (so there is no abstraction to protect).

Choose the provider tier when the user asked for that specific site — "check Kayak", "what does Newegg have". Choose the capability otherwise. Naming a site the user didn't name is a downgrade, not a courtesy:

Read the full file on GitHub · 183 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. yesterday First seen · 183 lines · 263 tokens per session scan A ef636871effa

Subscribe to this mod's changes

bowmark is a skill published in the GitHub repository bowmark-ai/skill (0 stars, last pushed 2d ago), licensed MIT. It adds 263 tokens to every session and 3,770 once invoked, about $0.0013 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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