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Compabase MCP Server

by contentwriterco Your server? Claim it
answering

Compabase is answering right now. Last checked 5 min ago. It exposes 42 tools. Last commit 9 Sep 2026.

MCP server for 3M+ Polish companies — KRS & CEIDG financials, ownership, and industry search.

Uptime history 47 days of history · worst day 97%
47 days agonow
96.7%
Uptime 24h
89 of 92 checks
42
Tools
read from the server
188 ms
Response time
average over 24h
0
Stars
last commit 9 Sep 2026

What changed 68

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 2 September 2026. No other catalogue keeps this.

15 Sep 3 tools changed the parameters they ask for count_companies, export_companies, search_companies
15 Sep 2 tool descriptions were rewritten get_company, get_company_stock_market
8 Sep 50 tools appeared add_to_watchlist, add_watchlist_batch, batch_add_to_watchlist and 47 more
8 Sep 11 tools disappeared batch_add_to_watchlist, get_company_bdo, get_company_bzp and 8 more
4 Sep a tool changed version
2 Sep a tool changed version

Compabase does not always answer

Over the last week it answered 99.2% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 5 min ago.

run in your terminal
claude mcp add compabase --transport http https://compabase.com/api/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "compabase": {
      "url": "https://compabase.com/api/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.compabase]
url = "https://compabase.com/api/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "compabase": {
      "url": "https://compabase.com/api/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "compabase": {
      "url": "https://compabase.com/api/mcp"
    }
  }
}

Available tools 42

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

company
get_company
Get company registry profile and headline financials for one latest filed period (`financials.period_to` / `financial_period_to`): revenue, profit, costs, assets, estimated_value (Ohlson/RIM equity estimate), PKD, address, plus contacts when on record. All money fields in this response are that same period — there is no nested summary from a different year. NIP lookup also returns a CEIDG/JDG firm when it has a public contact email (RODO). Does NOT include balance-sheet line items (cash, receivables, inventories). For those or earlier years, use get_financials.
get_company_articles
Get full text of the company's articles of association or statute (umowa spółki / statut) from RAR (Repozytorium Akt Rejestrowych). Use when the user asks about: share transfer consent, preemption rights, non-compete clauses, company duration, voting rights, special share classes, representation rules from the deed, or any clause in the founding document. Returns doc metadata + full extracted text. KRS companies only.
get_company_beneficiaries
Get CRBR beneficial owners for a KRS company. All names are returned (same as zarząd / wspólnicy). PESEL is never included (birth_year only). JDG are not in CRBR.
get_company_court_gazette
Get Court and Commercial Gazette (MSiG) notices for one company. Matched by KRS or NIP (creditor calls, dissolution, mergers, liquidation).
get_company_debt_registry
Get KRZ insolvency / restructuring proceedings. KRS companies via company_krz; sole proprietors via CEIDG KRZ by NIP.
get_company_energy_licenses
Get URE energy concessions for a company — full list of electricity, gas, heat, and liquid fuels, with validity dates and pending applications. Keyed by NIP. Identify company by name, KRS, or NIP.
get_company_eu_funds
Get European Funds (Fundusze Europejskie) projects for a company — official MFiPR lists, EU co-financing, programme and dates. Keyed by NIP. Identify company by name, KRS, or NIP. Cohesion/shared-management funds; not TED procurement, not FTS Commission grants, and not SUDOP state aid.
get_company_eu_tenders
Get TED EU-threshold public procurement — full awards as contractor and notices as buyer. Keyed by NIP. Identify company by name, KRS, or NIP.
get_company_people
Get people associated with a company — management board, supervisory board, shareholders, proxies. Returns display names, role labels, and relationship types (management, supervisory, ownership, procuration). Identify by name, KRS, or NIP.
get_company_procurement
Get European Commission FTS awards for a company — Horizon, LIFE, Erasmus and other direct/indirect-management grants. Keyed by NIP (VAT). Identify by name, KRS, or NIP. Not cohesion funds (get_company_fe) and not TED procurement.
get_company_public_aid
Get SUDOP public aid / grants for a company — full case list with amounts, grantor, measure, purpose. Keyed by NIP. Identify company by name, KRS, or NIP.
get_company_public_tenders
Get BZP public procurement data — full awards as contractor and notices as buyer, with award values. Keyed by NIP. Identify company by name, KRS, or NIP.
get_company_rankings
Get a company's revenue rank positions within its industry (PKD), region (voivodeship), and all of Poland. Returns rows from company_financial_rankings — one row per scope (pkd_full, pkd_division, pkd_section, region, country). Use for questions like: where does company X rank in Poland / its industry / its region?
get_company_stock_market
Get Warsaw Stock Exchange listing for a company — ticker, ISIN, market (GPW main / NewConnect / GlobalConnect), last close and change, market cap, shares outstanding, TTM EPS, TTM P/E (falls back to last annual filing), last quarterly results, next earnings date, dividend per share and yield. Quotes delayed ~15 minutes, in PLN. Snapshot plus a few recent daily bars — not full OHLCV history. Keyed by NIP. Identify company by name, KRS, or NIP.
get_company_waste_registry
Get BDO waste and packaging register data — registration number, EUP site count, activity flags, and headquarters decisions with issue and validity dates. Keyed by NIP. Identify company by name, KRS, or NIP.
api
create_api_key
Create a new REST API key (cb_…). The raw key is returned once and cannot be retrieved later.
delete_api_key
Revoke (deactivate) a REST API key by its ID. The key stops working immediately.
list_api_keys
List all active REST API keys (cb_…) for the user's account. Returns id, name, key_prefix, created_at, last_used_at.
byok
delete_byok_key
Remove a configured BYOK provider key. After removal, the platform falls back to its own model access.
get_byok_keys
List configured Bring-Your-Own-Key (BYOK) provider keys status. Shows which providers (openai, claude, gemini) have keys configured, with prefix and last-used date. Never returns the actual key.
set_byok_key
Add or update a BYOK provider API key. Key is encrypted at rest (AES-256-GCM). Requires paid plan (Pro+). Providers: openai (sk-…), claude (sk-ant-…), gemini (AIza… or AQ.…).
mcp
create_mcp_key
Create a new MCP key (mcpk_…). The raw key is returned once and cannot be retrieved later.
delete_mcp_key
Revoke (deactivate) an MCP key by its ID. Cannot revoke the key currently in use. The key stops working immediately.
list_mcp_keys
List all active MCP keys (mcpk_…) for the user's account. Returns id, name, key_prefix, created_at, last_used_at.
watchlist
add_to_watchlist
Add a company to the user's watchlist. Identify by KRS (10-digit) or NIP (10-digit). Supports both KRS companies and CEIDG sole proprietorships (via NIP).
add_watchlist_batch
Add multiple companies to watchlist in one call. Provide an array of KRS/NIP identifiers (max 500). Resolves identifiers to companies, skips duplicates, respects plan limits.
list_watchlist
List companies on the user's watchlist with company data (name, KRS, NIP, revenue, city). Supports pagination via limit/offset.
companies
search_companies
Search and filter Polish KRS companies (spółki). Compabase also holds the full CEIDG/JDG register; this tool does not browse JDG — those without a public contact email are hidden because of RODO. Default `fields=summary` returns a compact row (name, NIP, KRS, location, PKD, latest financials, email/phone/website) — small enough for MCP clients. `fields=contacts_only` is name/NIP/KRS/city/email/phone/website only. `fields=full` returns every company_search column plus contacts and may exceed client size limits. Use for rankings, sector filters, city/county/region browsing, name search, or NIP/KRS lookup. When a PKD is mostly JDG, a sparse result includes a `hint` (full CEIDG is in the database; listing is RODO-gated). Do not call export_companies just to get a handful of emails or phones.
count
count_companies
Count KRS companies matching given filters. Returns a single number — no company list. Does not count JDG in this tool (full CEIDG is in Compabase; listing is RODO-gated). Sparse or zero counts in JDG-dominated PKDs include a `hint`.
execute
execute_sql
Execute a read-only SQL SELECT query against the Compabase database. Use when dedicated tools are not enough (aggregations, joins, custom analysis).
export
export_companies
Bulk file export of companies matching filters (CSV / XLSX / JSON). Up to 500 rows per call. Default `fields=contacts_only`: name, NIP, KRS, city, email, phone, website — small enough to use in-chat. `fields=summary` adds location, PKD, latest revenue/profit. `fields=full` is the complete dump (change history, rankings, people, enrichments, CSV twins) and often exceeds MCP client limits. Consumes export quota only after the file is built successfully. For a short list of emails after search_companies, use search with fields=contacts_only instead.
financial
get_financial_stats
Get precomputed aggregate financial statistics for a sector, region, PKD branch, or country. Returns median, p25/p75/p90, winsorized mean, mean, total, n_companies, min/max. Use for questions like: what is the median revenue / average profit / assets in industry X or region Y? Prefer median or winsor_mean over mean. cost_wages is PLN-only.
financials
get_financials
Get full financial statement metrics per fiscal period — all entity_financial_metrics columns. Includes cash_and_equivalents, inventories, receivables, liabilities, equity, cost breakdown, revenue lines. Identify company by name, KRS, or NIP.
from
remove_from_watchlist
Remove a company from the user's watchlist. Identify by KRS or NIP.
notification
set_notification_preferences
Get or update email notification preferences for watchlist changes. When email_notifications=true, you will receive an email whenever a watched company's data changes (registry updates, new financial statements, deregistration, etc.).
plan
get_plan
Get the user's active billing plan details — plan name, price, status, limits, prepaid credit balance, and billing period reset date.
plans
list_plans
List Compabase billing plans and limits. No auth required. After sign-up, use upgrade_plan to get a Stripe Checkout URL.
request
request_signup
Start Compabase account setup for an email. Sends a magic link. After the user clicks it, poll check_signup with the returned setup_id until status is ready — then you receive an MCP key automatically. Do not ask the user to generate a key in the portal. No auth required.
signup
check_signup
Poll a request_signup session. When the user has confirmed email, returns mcp_key once and cursor_mcp_json to write to MCP config. Call every 3 seconds until status is ready, expired, or already_delivered. No auth required.
upgrade
upgrade_plan
Create a Stripe Checkout session for a plan upgrade. Shows current plan and available upgrades. Pass plan_id ('pro' or 'scale') to get a checkout_url on checkout.stripe.com — open it in the browser for the user to pay. Do not send the user to the marketing pricing page.
usage
get_usage
Get current billing period usage and remaining quota — mcp_queries, api_requests, export_companies, ask_ai_credits, watchlist_companies. Includes limits and reset date.
webhook
set_webhook_url
Configure, view, or remove webhook for watchlist event notifications. Events: watchlist.company_changed, watchlist.financials_updated, watchlist.company_removed_from_registry.

Tools removed

Tools this server used to expose. Anything built against them stopped working on the day they went.

batch_add_to_watchlist
removed 9 Sep 2026
get_company_bdo
removed 9 Sep 2026
get_company_bzp
removed 9 Sep 2026
get_company_fe
removed 9 Sep 2026
get_company_fts
removed 9 Sep 2026
get_company_gpw
removed 9 Sep 2026
get_company_krz
removed 9 Sep 2026
get_company_msig
removed 9 Sep 2026
get_company_sudop
removed 9 Sep 2026
get_company_ted
removed 9 Sep 2026
get_company_ure
removed 9 Sep 2026

Endpoints

URLTransportStateLatencyChecked
https://compabase.com/api/mcp streamable-http answering 197 ms 5 min ago

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Compabase — questions

Answers built from our own checks of this server.

What can Compabase do?
It exposes 42 tools, read directly from the server on our last check. Among them: add_to_watchlist, add_watchlist_batch, check_signup, count_companies, create_api_key, create_mcp_key and 36 more. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
What is Compabase mostly used for?
Its tools cluster around company, watchlist and api. That is what this server is built to work with — the grouping comes from the actual tool names, not from a category we assigned.
Is Compabase working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 89 of 92 checks got a reply (96.7%), average response time 188 ms. The bar chart above shows every period we have measured.
Did Compabase ever remove tools?
Yes. batch_add_to_watchlist, get_company_bdo, get_company_bzp, get_company_fe and 7 more are no longer exposed — we recorded the date each one disappeared. A tool vanishing usually means a breaking change for anything that depended on it.
How do I connect Compabase?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Compabase need an API key?
No. Compabase completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 42 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Compabase?
It answers our handshake in 188 ms on average, which is faster than 69% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Compabase open source?
Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.