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LanguageTool logo

LanguageTool

Not Agent-Ready Yet
Agent-Ready SaaS Index · languagetool.org · scored 2026-05-09 · rubric v2.0
Score 19 / 100
AI Writing Assistant
Self-serve checkout

LanguageTool scores 19/100 on xpay's Agent-Ready Index v2: partial pricing visibility.

See LanguageTool pricing summaryLive pricing page
Pricing
LanguageTool — 2 products
As of 2026-05-09 · languagetool.org/premium
Basic
Free
forever
Grammar and punctuation checking
Basic spelling checks
Free tier access
Premium
Contact sales
Enhanced grammar, punctuation, and style checking
20,000+ additional checks across 7 languages
Up to 150,000 characters per text field
Unlimited AI-powered sentence paraphrasing
Custom style guide creation
Score breakdown · rubric v2.0
How LanguageTool scores on the agent-ready dimensions

Public pricing visibility

15 / 15

Self-serve checkout

0 / 15

Public API + docs

0 / 20

Usage-based / metered pricing

0 / 20

Free entry path

4 / 7

No sales call required

0 / 7

Card / wallet / x402 payment

0 / 6

Machine-readable bonus (MCP / OpenAPI)

0 / 10


Total
19 / 100
Agent purchase simulation
Six-step check: can an agent actually buy from LanguageTool?
✓

Discover price

✓

Select a plan

✗

Pay per task

✓

Avoid a sales call

◐

API docs without auth

✗

Estimate cost upfront

Analysis
Pros and cons for AI agents
Observational summary written by xpay from the signals captured on 2026-05-06. Not a review of the product — only of its current pricing posture for agent buyers.
✓ For an AI agent
  • Pricing is publicly visible on an indexable page — agents can read tiers without scraping past auth.
  • Every advertised tier is self-serve; no tier requires scheduling a call.
◐ Opportunities for the provider
  • No per-unit price was advertised, so an agent has no way to estimate the cost of a single task.
  • API documentation is gated or absent; an agent cannot inspect the integration surface without authentication.
  • PPU requires account creation and an issued API key; a fully unauthenticated agent purchase is not yet supported.
  • No /.well-known/ai-pricing.json or equivalent machine-readable pricing manifest is published — agents must rely on HTML scraping.
One-line fix
How LanguageTool could lift its score

Add a per-unit price (e.g. $X / 1K calls) to the pricing page so an agent can compute its own cost before committing.

pricing_visible

true

headline_phrasing

Take Your Writing to the Next Level — Make your text sound professional and avoid embarrassing style, punctuation, and grammar mistakes

tier_count

2

lowest_paid_entry_usd

null

free_tier

false

free_tier_terms

null

per_unit_price

null

annual_required

false

self_serve_paid_tiers

1

sales_only_tiers

0

public_api_docs_url

null

api_docs_auth_walled

null

ai_pricing_json_present

false

agents_txt_present

false

anonymous_purchase_path

false

per_unit_classification

null

usage_headline_present

false

custom_tier_present

true

agent_friendly

{"ai_pricing_json":false,"agents_txt":false,"llms_txt":false,"sitemap_xml":true,"mcp_server_card":false,"agent_skills_index":false,"x402_supported":false}

View raw extracted page text →
Page heading: Take Your Writing to the Next Level
CTAs (40): LanguageTool Your writing assistant · Grammar Checker · Paraphrasing Tool · Premium -20% · For Business · More · Sign Up · Go to the Editor · Check Text · Statistics · Settings · Log out
LanguageTool Your writing assistant Grammar Checker Paraphrasing Tool Premium -20% For Business More Sign Up Go to the Editor Toggle Dropdown Check Text Statistics Settings Log out Check Text Statistics Settings Log out Sign up / Log in Sign Up Sign up Toggle Website Navigation Close Website Navigation Grammar Checker Checks your text for grammar mistakes and helps you find the right tone. Try Grammar Checker Paraphrasing Tool Lets you paraphrase any sentence according to your liking. Try Paraphrasing Tool Premium -20% Discover Premium -20% Benefit from unlimited paraphrasing and much more. Unlock all Premium Features LT for Business Explore our GDPR-conform solutions to ensure error-free communication and a consistent brand voice. Read more Apps & Add-ons Checks your text for grammar mistakes and helps you find the right tone. Toggle Sub Menu Browser Add-ons Chrome Edge Firefox Safari Opera Toggle Sub Menu E-Mail Add-ons Gmail OutlookBETA Apple Mail Thunderbird Toggle Sub Menu Office Plugins Google Docs Word Apple Pages LibreOffice Toggle Sub Menu Apps macOS Windows More For Businesses Proofreading API Blog Careers Help Privacy Terms & Conditions Imprint Go to the Editor Toggle Dropdown Check Text Statistics Settings Log out Check Text Statistics Settings Log out Sign up Log in Take Your Writing to the Next Level Make your text sound professional and avoid embarrassing style, punctuation, and grammar mistakes 20 % Off Limited-time discount on Premium! Take your writing to th…
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Are you LanguageTool? Something off in this listing?
Agent-Ready Spec
LanguageTool
Not Agent-Ready Yet

19

/ 100 (rubric v2.0)

Category

AI Writing Assistant

Pricing model

Not advertised

Tier count

2

Free tier

No

Lowest paid entry

Sales-led

Self-serve / sales-only tiers

1 / 0


Public API docs

Auth-walled

Anonymous purchase path

No

Machine-readable pricing

Not published


Last refreshed

2026-05-09

Pricing intelligenceInsights extracted from languagetool.org/premium
Pricing model

Tier-based subscription

Actions
Open live pricing page
Verdict reflects Not Agent-Ready Yet status under rubric v2.0. Source observed at https://languagetool.org/premium.
Agent-friendly features1 of 7 present
Discovery files and protocols
Side-channel signals — informational, not part of the score. Each protocol is independent; adoption signals the publisher is thinking about agent buyers.

ai-pricing.json

agents.txt

llms.txt

sitemap.xml

MCP Server Card

Agent Skills

x402 / MPP

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CompanyAgentically Inc. (d/b/a xpay✦)1875 Mission St, Ste 103San Francisco, CA 94103, United Stateslegal@xpay.sh · privacy@xpay.sh
or ask your AI app
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