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mcp-server MCP Server

Web scraping MCP server — scrape, extract structured data, screenshot any site with anti-bot bypass.

Publisher claimed. No tool list reported, and Pod has not connected to this server.

Status

Pod has not dialled mcp-server yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

Connect

Published as alterlab-mcp-server on npm. Runs locally.

Known issues

394 problems reported by people outside the maintainer team. Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

Most discussed

Feat: MCP Server — auto cost estimation, smart error recovery, and batch scraping

Problem

  1. Users don't discover the alterlab_estimate_cost tool and run expensive scrapes blind
  2. On timeout errors, users don't know if credits were consumed
  3. Scraping multiple URLs requires calling alterlab_scrape N times manually

Solution

1. Optional Pre-Flight Cost Check

Add estimate_first parameter to alterlab_scrape:

{
  "url": "https://amazon.com/dp/B0BSHF7WHW",
  "estimate_first": true
}

When enabled, runs cost estimation first and includes it in the r

Read the thread · 2026-03-31 · closed · 17 comments

Feat: MCP Server — interactive setup wizard, OAuth auth, and proactive balance warnings

Problem

Setting up the MCP server requires 6+ steps: visit website → sign up → verify email → find API keys page → copy key → paste into config. Users who run npx alterlab-mcp-server without a key get a stderr exit with no recovery path.

Once running, users get no warning when credits are low — they discover it only when a scrape fails with 402.

Solution

1. Interactive First-Run Setup

When ALTERLAB_API_KEY is missing, instead of process.exit(1):

🔑 No API key found. Let's 

[Read the thread](https://github.com/RapierCraft/alterlab-mcp-server/issues/28) · 2026-03-31 · closed · 17 comments

### Add OAuth device flow for seamless CLI authentication

## Summary

Currently, setting up the MCP server requires users to manually sign up at alterlab.io, find their API key in the dashboard, and paste it into a JSON config file. This could be streamlined with an OAuth device flow during installation — similar to how `gh auth login` or `vercel login` work.

## Proposed Flow

$ claude mcp add alterlab -- npx -y alterlab-mcp-server

→ No API key found. Authenticate with AlterLab: → Open this link: https://alterlab.io/auth/cli?session=abc123 → Or s

Read the thread · 2026-02-28 · closed · 17 comments

Zero-friction auth: Device Authorization Flow + auto key creation on first run

Problem

Today, getting started with alterlab-mcp-server requires 5 manual steps:

  1. Go to alterlab.io
  2. Create an account
  3. Navigate to the API keys dashboard
  4. Copy the key
  5. Paste it into a JSON config file (different path per MCP client)

This is the #1 source of friction for new users. Every extra step is a drop-off point. The MCP server currently just crashes with an error if no key is found:

if (!apiKey) {
  console.error("Error: ALTERLAB_API_KEY environment variable 

[Read the thread](https://github.com/RapierCraft/alterlab-mcp-server/issues/3) · 2026-02-28 · closed · 16 comments

### fix: balance warning not surfaced in error-path tool responses (review finding — PR #381)

## Problem

When a scrape/extract/screenshot/crawl API call returns a 4xx error (e.g., 402 Insufficient Balance), the balance warning suffix is not appended to the error response. The `X-AlterLab-Balance-Warning` header IS parsed on error responses, but `formatErrorResult()` is called directly without appending `formatBalanceWarning(client.getLastBalanceWarning())`.

**Source**: PR #381 — Feat: proactive balance warnings (#28)
**Agent**: Security + Billing (dual finding)
**Confidence**: POSSIBLE

[Read the thread](https://github.com/RapierCraft/alterlab-mcp-server/issues/382) · 2026-07-07 · closed · outside contributor · 15 comments

### Most recent

### Sync: Scrape API modification (from #33400)

## Ecosystem Sync

**Source**: [RapierCraftStudios/AlterLab](https://github.com/RapierCraftStudios/AlterLab) @ `main`
**PR**: #33400
**Commits**:

cfce6c1 Merge pull request #33400 from RapierCraftStudios/staging 69f2149 Merge pull request #33412 from RapierCraftStudios/forge/issue-33407-pr33400 72dff11 fix(dashboard): scope personal tier insights (#33407) a317874 Merge pull request #33398 from RapierCraftStudios/fix/promotion-batch-contract-33372 b8b7948 fix(test): preserve batch billing sou

Read the thread · 2026-08-30 · open · 0 comments

Sync: New scrape parameter — account_tier (from #33400)

Ecosystem Sync

Source: RapierCraftStudios/AlterLab @ main PR: #33400 Commits:

cfce6c1 Merge pull request #33400 from RapierCraftStudios/staging
69f2149 Merge pull request #33412 from RapierCraftStudios/forge/issue-33407-pr33400
72dff11 fix(dashboard): scope personal tier insights (#33407)
a317874 Merge pull request #33398 from RapierCraftStudios/fix/promotion-batch-contract-33372
b8b7948 fix(test): preserve batch billing sou

[Read the thread](https://github.com/RapierCraft/alterlab-mcp-server/issues/521) · 2026-08-30 · open · 0 comments

### Sync: Scrape API modification (from #33397)

## Ecosystem Sync

**Source**: [RapierCraftStudios/AlterLab](https://github.com/RapierCraftStudios/AlterLab) @ `staging`
**PR**: #33397
**Commits**:

7faef0b Merge pull request #33397 from RapierCraftStudios/fix/manual-usage-attribution-33382 d270f41 fix(usage): preserve replay and crawl attribution (#33382) c80f822 fix(usage): propagate billing identity through async paths (#33382) a522b86 fix(usage): complete billing-principal attribution (#33382) 21c1644 style(usage): format organization a

Read the thread · 2026-08-30 · open · 0 comments

Sync: New scrape parameter — account_tier (from #33376)

Ecosystem Sync

Source: RapierCraftStudios/AlterLab @ staging PR: #33376 Commits:

78b7cfe fix(api): align dispatch 429 schema with runtime (#33376)

Detected by: ecosystem-sync.yml workflow

What to Update in MCP Server

  1. Tool schema — Add parameter to the Zod schema in src/tools/scrape.ts
  2. Client — Pass parameter through in src/client.ts
  3. Types — Update src/types.ts if new enum values

Read the thread · 2026-08-30 · open · 0 comments

Sync: Scrape API modification (from #33297)

Ecosystem Sync

Source: RapierCraftStudios/AlterLab @ staging PR: #33297 Commits:

60860d1 Merge pull request #33297 from RapierCraftStudios/fix/support-deploy-gates
d778a55 fix: clear support deployment CI gates

Detected by: ecosystem-sync.yml workflow

What to Update in MCP Server

Review the diff below and update the relevant tool schemas, client code, and types.

Likely files

Read the thread · 2026-08-28 · open · 0 comments

Sync: Scrape API modification (from #33294)

Ecosystem Sync

Source: RapierCraftStudios/AlterLab @ staging PR: #33294 Commits:

b5c2fbb Merge pull request #33294 from RapierCraftStudios/forge/issue-32037-7a460634
aa371f9 forge: address review for issue #32037
74ec5d3 forge: address review for issue #32037
7cc2542 forge: implement issue #32037

Detected by: ecosystem-sync.yml workflow

What to Update in MCP Server

Review the diff below and update the rel

Read the thread · 2026-08-28 · open · 0 comments

Sync: New scrape parameter — content, base_response, headers (from #33150)

Ecosystem Sync

Source: RapierCraftStudios/AlterLab @ main PR: #33150 Commits:

07603d5 Merge pull request #33150 from RapierCraftStudios/staging
ea084fa Merge pull request #33161 from RapierCraftStudios/fix/local-validation-command-bits-33150
50588f6 fix(ci): mark validation scripts executable
2177ffb Merge pull request #33159 from RapierCraftStudios/fix/local-validation-33150
f86fbb0 fix(platform): close local validation reg

[Read the thread](https://github.com/RapierCraft/alterlab-mcp-server/issues/511) · 2026-08-27 · open · 0 comments

[See all 24 reports Pod holds for mcp-server](/mcp/mcp-server-alterlab/issues) — of 394 qualified upstream.

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