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Glama

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The most accurate web access API. Stop getting blocked.

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Glama MCP Gateway

Connect through Glama MCP Gateway for full control over tool access and complete visibility into every call.

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Glama
MCP server

Full call logging

Every tool call is logged with complete inputs and outputs, so you can debug issues and audit what your agents are doing.

Tool access control

Enable or disable individual tools per connector, so you decide what your agents can and cannot do.

Managed credentials

Glama handles OAuth flows, token storage, and automatic rotation, so credentials never expire on your clients.

Usage analytics

See which tools your agents call, how often, and when, so you can understand usage patterns and catch anomalies.

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Tool DescriptionsA

Average 4.8/5 across 3 of 3 tools scored.

Server CoherenceA
Disambiguation5/5

Each tool serves a distinct purpose: fetching a single page, searching the web, and crawling an entire site. Descriptions clearly differentiate them, and there is no functional overlap.

Naming Consistency5/5

All tools follow a consistent 'web_access_<verb>' pattern (fetch, search, sitemap). Although 'sitemap' is a noun, it is used as a verb in context, maintaining overall consistency.

Tool Count5/5

Three tools cover the essential web access operations (fetch, search, crawl) without excess or deficiency. The count is well-scoped for the server's purpose.

Completeness5/5

The tool set provides complete coverage for typical web information access: retrieving a single page, searching for URLs, and exploring a site's structure. No obvious gaps exist.

Available Tools

3 tools
web_access_fetchA
Read-only
Inspect

Fetch any webpage and get clean, LLM-ready Markdown back. String AI's Web Access API handles proxy rotation, anti-bot protection, CAPTCHAs, and JavaScript-rendered content automatically. If available, default to this tool for any web fetching or scraping.

Primary use (the common case): pass only a url. The page is fetched with a normal GET and returned as Markdown — no other parameters are needed.

{ "url": "https://example.com/article" }

Best for: any URL, especially sites with anti-bot protection, paywalls, or dynamic content (news, docs, blogs, web apps). Not for: searching the web when you don't have a URL — use web_access_search instead.

Optional parameters (omit unless you need them):

  • formatmarkdown (default), raw (verbatim upstream body), or json (a { statusCode, headers, data } envelope with the destination's status and headers).

  • executeJS — set true to render JavaScript for SPAs when the content comes back empty. Cannot be combined with headers.

  • method + body — use POST/PUT/PATCH with a body to send writes (body is rejected on GET).

  • headers — forward custom request headers. Not supported when executeJS is enabled.

  • countryCode — ISO 3166-1 alpha-2 (e.g. "US") to route through a proxy in that country.

  • solveCaptcha — defaults true; set false to fail fast instead of spending effort solving a challenge.

Returns: Markdown by default; the verbatim body or a JSON envelope when format is set accordingly.

ParametersJSON Schema
NameRequiredDescriptionDefault
urlYesThe full URL of the webpage to fetch. Must be a valid HTTP/HTTPS URL.
bodyNoRequest body for POST/PUT/PATCH. A string is sent as-is; an object is JSON-stringified. Not allowed for GET.
formatNoOutput format: 'markdown' for clean LLM-optimized text (recommended), 'raw' for the verbatim upstream body, 'json' for a { statusCode, headers, data } envelope.
methodNoHTTP method for the request (GET/POST/PUT/PATCH), defaults to GET. Use POST/PUT/PATCH to send a body.
headersNoCustom request headers to forward (max 50). Not supported when executeJS is enabled.
executeJSNoEnable JavaScript rendering for SPAs and dynamic content. Set to true if content appears empty or incomplete. Cannot be combined with custom headers.
countryCodeNoISO 3166-1 alpha-2 country code for geolocated proxy routing, e.g. 'US'.
solveCaptchaNoWhether to attempt captcha solving. Defaults to true server-side; set false to fail fast on challenges.

Output Schema

ParametersJSON Schema
NameRequiredDescription
bodyYes
headersYes
statusCodeYes
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations provide readOnlyHint=true, indicating read-only behavior. The description adds value by detailing automatic proxy rotation, anti-bot protection, CAPTCHA handling, and JavaScript rendering. It also notes constraints like 'executeJS cannot be combined with headers'. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is well-structured with headers for primary use, best for/not for, and optional parameters. It uses bullet points and code examples without being verbose. Every sentence adds meaningful information, and the structure makes it easy to scan.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool complexity (8 params, output schema present, annotations), the description covers all aspects: purpose, usage guidelines, parameter details, output format, and edge cases (e.g., executeJS and headers incompatibility). It leaves no obvious gaps for an agent to make mistakes.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema covers all 8 parameters (100% coverage), but the description enriches each: e.g., format explains the three options and their output structures, executeJS explains when to use it and the incompatibility with headers, solveCaptcha describes the default and trade-off. This goes beyond the schema's descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Fetch any webpage and get clean, LLM-ready Markdown back', specifying the verb (fetch), resource (any webpage), and output (Markdown). It distinguishes from sibling tools by noting 'Not for: searching the web when you don't have a URL — use web_access_search instead', and implicitly from web_access_sitemap by focusing on fetching individual pages.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Description explicitly says 'If available, default to this tool for any web fetching or scraping' and provides a clear best-for/not-for section with an alternative sibling tool. This gives the agent explicit guidance on when to use and when to avoid, with a named alternative.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

web_access_sitemapAInspect

Crawl an entire website and map its URLs using String AI's Web Access API sitemap crawler. Starting from one URL it follows same-domain links breadth-first (optionally seeded from the site's /sitemap.xml) and records every URL it reaches with fetch status, depth, and parent. The crawl runs asynchronously server-side, so it handles whole sites that a single web_access_fetch call cannot.

Best for: discovering all pages/URLs of a site (site audits, building scraping worklists, coverage checks) before fetching individual pages with web_access_fetch. Not for: reading one page's content (use web_access_fetch) or open-ended web queries (use web_access_search).

This single tool drives the whole job lifecycle through action:

1. submit — quote a crawl (nothing is crawled or billed yet). Requires url. Optional: maxPages (1–10000, default 10), maxDepth (1–100, default 2), pathPrefix (only crawl URLs whose path starts with this, e.g. "/docs"), budgetUsd (spend ceiling; the crawl stops with status token_cap_exceeded if it would exceed it), useSitemap (also seed the site's root /sitemap.xml — one extra billed page, but finds pages links miss). Returns jobId, estimatedPages, and estimatedCostUsd with status awaiting_approval.

{ "action": "submit", "url": "https://example.com", "maxPages": 200, "maxDepth": 3 }

2. approve — start the quoted crawl (requires jobId). This is the billing-consent step: pages are billed as they are fetched, capped by the quote/budget. Before approving a non-trivial estimatedCostUsd, confirm the spend with your user. Fails with status 402 if the account balance cannot cover the quote; a 409 partial_state error means an earlier approve was interrupted — just call approve again.

3. status — poll progress (requires jobId). Statuses: awaiting_approvalrunning → terminal completed | failed | canceled | token_cap_exceeded (budget hit before maxPages; collected results are still readable). While running it returns pending and processed counts; a partial_state status means an interrupted approve — call approve again to repair it. Status never includes the URL list — page that with results. Poll every few seconds for small crawls; give hundreds-of-pages crawls tens of seconds between polls.

4. results — page through discovered URLs (requires jobId). Optional limit (default 1000, max 5000) and offset; total tells you when to stop paging. Each entry has url, statusCode (0 = discovered but not fetched), depth, parentUrl, isSitemap, sourceType, and an error when that page failed. discoveredUrls (links found on the page) is only present for ~1h after completion; afterwards results come from durable storage which omits it — everything else stays available.

5. cancel — stop a running or pending job (requires jobId). Already-terminal jobs return a 409 error. Pages already fetched stay billed and readable via results.

6. list — recent crawl jobs for the account. Optional limit (default 20, max 100) and offset. Use it to find a jobId you lost or check for an equivalent recent crawl before paying for a new one.

Typical workflow: submit → check estimatedCostUsd → approve → poll status until terminal → results (paged). A 404 on any jobId action means the job doesn't exist or belongs to another account; a 403 on submit means the target domain is blocked for this account (contact support@usestring.ai).

Returns: the JSON envelope for the chosen action (quote, status, URL page, job list) alongside a one-line summary.

ParametersJSON Schema
NameRequiredDescriptionDefault
urlNosubmit only (required there): the full http(s) URL to start crawling from. The crawl stays on this URL's domain.
jobIdNoThe job id returned by submit. Required for approve, status, results, and cancel.
limitNoresults/list only: page size. results default 1000 (max 5000); list default 20 (max 100).
actionYesLifecycle action to perform: 'submit' (quote a new crawl), 'approve' (start a quoted crawl — billing consent), 'status' (poll progress), 'results' (page through discovered URLs), 'cancel' (stop a job), or 'list' (recent jobs).
offsetNoresults/list only: number of rows to skip for pagination.
maxDepthNosubmit only: maximum link depth from the start URL, 1-100 (server default 2).
maxPagesNosubmit only: maximum pages to fetch, 1-10000 (server default 10). Each fetched page is billed.
budgetUsdNosubmit only: spend ceiling in USD (min 0.0001). The crawl finalizes as token_cap_exceeded when it would exceed this; omit to let the approved quote be the cap.
pathPrefixNosubmit only: restrict the crawl to URLs whose path starts with this prefix, e.g. '/docs'.
useSitemapNosubmit only: also seed the crawl from the site's root /sitemap.xml (one extra billed page; finds pages that internal links miss).

Output Schema

ParametersJSON Schema
NameRequiredDescription
jobsNo
urlsNo
jobIdNo
totalNo
statusNo
pendingNo
processedNo
finishedAtNo
errorMessageNo
estimatedPagesNo
pagesProcessedNo
estimatedCostUsdNo
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden and excels: it details async server-side crawling, billing model, lifecycle statuses (including token_cap_exceeded), error codes (402, 404, 409), and behavior after completion (discoveredUrls availability window). No contradictions.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is verbose but well-structured with clear headings, bullet points, and a summary. Front-loaded with purpose and usage, then detailed actions. Could be shortened slightly, but every section adds value for correct tool invocation.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the tool's complexity (multi-action lifecycle, billing, pagination, error handling), the description is complete. It covers all actions, error scenarios, polling guidance, and data availability details. Output schema exists, so return values are expected there; the description complements it.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 100%, but the description adds substantial meaning beyond schema basics: it explains which parameters apply to which actions, provides concrete JSON examples, defaults and ranges (e.g., maxPages 1-10000, default 10), and contextual cues (e.g., budgetUsd as spend ceiling).

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool crawls a website and maps URLs, with a specific verb ('Crawl') and resource ('website and map its URLs'). It distinguishes from siblings by stating it handles whole sites that a single web_access_fetch cannot, and explicitly contrasts with web_access_fetch and web_access_search.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Provides explicit guidance on when to use ('Best for: site audits, building scraping worklists, coverage checks') and when not to ('Not for: reading one page's content – use web_access_fetch; open-ended queries – use web_access_search'). Also includes a typical workflow and action lifecycle details.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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