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Bastion Helix Agent Lens

R0· no sign-in

Web pages for AI agents: may-I-use checks, prompt-injection flags, Markdown, JSON, screenshots

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality82good
Trust82of 100
Uptime, 30 days92%
Latency p50217 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "agent-lens": {
      "type": "http",
      "url": "https://lens.bastionhelix.com/mcp",
      "headers": {
        "Authorization": "Bearer ${AGENT_LENS_TOKEN}"
      }
    }
  }
}
claude mcp add --transport http agent-lens https://lens.bastionhelix.com/mcp --header "Authorization: Bearer ${AGENT_LENS_TOKEN}"
[mcp_servers.agent-lens]
url = "https://lens.bastionhelix.com/mcp"
bearer_token_env_var = "AGENT_LENS_TOKEN"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "agent-lens": {
      "type": "remote",
      "url": "https://lens.bastionhelix.com/mcp",
      "enabled": true,
      "headers": {
        "Authorization": "Bearer {env:AGENT_LENS_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "agent-lens": {
      "type": "http",
      "url": "https://lens.bastionhelix.com/mcp",
      "headers": {
        "Authorization": "Bearer ${AGENT_LENS_TOKEN}"
      }
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=agent-lens&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbGVucy5iYXN0aW9uaGVsaXguY29tL21jcCIsImhlYWRlcnMiOnsiQXV0aG9yaXphdGlvbiI6IkJlYXJlciAke0FHRU5UX0xFTlNfVE9LRU59In19"
}
{
  "servers": {
    "agent-lens": {
      "type": "http",
      "url": "https://lens.bastionhelix.com/mcp",
      "headers": {
        "Authorization": "Bearer ${AGENT_LENS_TOKEN}"
      }
    }
  }
}
{
  "mcpServers": {
    "agent-lens": {
      "httpUrl": "https://lens.bastionhelix.com/mcp",
      "headers": {
        "Authorization": "Bearer ${AGENT_LENS_TOKEN}"
      }
    }
  }
}
extensions:
  "agent-lens":
    enabled: true
    name: "agent-lens"
    type: streamable_http
    uri: "https://lens.bastionhelix.com/mcp"
    headers:
      "Authorization": "Bearer ${AGENT_LENS_TOKEN}"
    timeout: 300

Placeholders to fill from your own secret store: ${AGENT_LENS_TOKEN}. The registry never accepts secret values.

Quality 82 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene88 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations8 of 8 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: credits (idempotentHint); preflight (idempotentHint); read (idempotentHint); …
  • pass
    tools.token_costabout 1,307 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
  • pass
    tools.hidden_textno hidden text in tool names, descriptions, schemas or annotations
stability83 · weight 15
  • warn
    stability.changes8 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
  • pass
    stability.new_linksno tool change named a new site
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

8 tools, about 1,307 tokens to load them all · tool set cd67a80c1adf · tools last changed 2026-10-29 · checked 2026-11-14 07:36 UTC

Tool changes

  • creditschangedannotations
  • screenshotchangedannotations
  • sitechangedannotations
  • deltachangedannotations
  • extractchangedannotations
  • actionschangedannotations
  • readchangedannotations
  • preflightchangedannotations

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 82 / 100

no-repository
provenance55
liveness97
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-92% +updated-16d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://lens.bastionhelix.com/mcp streamable-httpnoneyes92%217 ms2025-11-252026-11-14

Tools (8)

actionsread-onlyReturns the forms (with every field, its label and whether it is required), buttons and links on a page, each with a CSS selector an automation tool can use. Uses the rendered page when the HTML alone has none. Charged only on success. Price: US$0.004 per successful call (API key credits or x402).
creditsread-onlyFree. Credits remaining on the API key sent in the Authorization header (1 credit = US$0.001).
deltaread-onlyFor pages an agent checks again and again. The first call returns the page as sections plus a fingerprint; send that fingerprint back as "previous" next time and get only the sections that changed (and the headings of removed ones), or changed:false. Uses HTTP ETag/Last-Modified when the site supports them. Nothing is stored on our side: the fingerprint lives with the agent. Saves tokens on every re-check. Charged only on success. Price: US$0.001 per successful call (API key credits or x402).
extractread-onlyNo AI model involved: returns the structured data the page already publishes — JSON-LD / schema.org objects (products, articles, events, organisations, breadcrumbs), prices and offers, meta and Open Graph tags, canonical URL, language versions, licence, RSS/Atom/JSON feeds, and HTML data tables as columns + rows. Exact values instead of guesses from text. Charged only on success. Price: US$0.002 per successful call (API key credits or x402).
preflightread-onlyFree. Before an agent spends money or time on a URL: is it allowed (robots.txt for this service and, if you pass user_agent, for your own bot; Content Signals such as ai-input and ai-train; meta robots), does a bot check or sign-in stand in the way, and which engine each task needs — plain fetch, Kitesurf (Cloudflare's lightweight agent browser) or Chromium. Rate-limited per IP.
readread-onlyReturns the main content of a web page as clean Markdown with absolute links. Tries the cheapest way that works: plain fetch, then Kitesurf, then Chromium, and reports which one worked. Refuses (and charges nothing) when the site's robots.txt or Content Signals say no, or when a bot check answers instead of the page. Charged only on success. Price: US$0.004 per successful call (API key credits or x402).
screenshotread-onlyPNG screenshot of a page at 1280×800 (or the full page). engine "auto" uses Kitesurf unless the page needs video or WebGL, then Chromium. Charged only on success. Price: US$0.008 per successful call (API key credits or x402).
siteread-onlyFree. Everything an agent should know about a website before using it: its llms.txt (and llms-full.txt), sitemap (page count and first URLs), feeds, language versions, Content Signals, and which known AI crawlers and agents its robots.txt allows. Rate-limited per IP.

Schemas: list_tools.

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Official server.json
{
  "name": "com.bastionhelix/agent-lens",
  "title": "Bastion Helix Agent Lens",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://lens.bastionhelix.com/mcp",
      "type": "streamable-http",
      "headers": [
        {
          "name": "Authorization",
          "isSecret": true,
          "description": "Optional. Bearer bhk_... prepaid API key for the paid tools (read, extract, delta, actions, screenshot). preflight and site work without a key."
        }
      ]
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://bastionhelix.com/lens",
  "description": "Web pages for AI agents: may-I-use checks, prompt-injection flags, Markdown, JSON, screenshots"
}