"Session" matching MCP servers:

Enables AI agents to issue Poland structured e-invoices (faktura ustrukturyzowana) through KSeF 2.0, handling FA(3) XML building, encrypted session flow, and KSeF number retrieval.

Provides access to European Parliament open data, enabling queries about MEPs, plenary documents, and session calendar.

Bridges AI agents to the Brazilian SEI system, enabling listing processes, reading documents, searching, and downloading files via session cookies.

Enables searching and reading Fold3 military records, including files, index records, memorials, and collection browsing, along with full-resolution page image downloads, using an existing Ancestry session in read-only mode.

Enables local MCP clients to search and read Peru's official legal information system, including legal norms and jurisprudence, with tools for full-text search, structure mapping, targeted reading, and filters. It provides clean content without storing files, using stdio transport and public session authentication.

Provides access to legislative data from all 50 US states through the LegiScan API, enabling comprehensive search and retrieval of bills, votes, legislators, and legislative session information.

Enables India GST operations: verify GSTINs, search by PAN, track return filings, and with an OTP-based taxpayer session, access GSTR-2B/3B and cash/ITC ledgers.

An MCP server that allows AI assistants like Claude to automate interactions with the German tax portal ELSTER via Puppeteer, including form filling, submission, and session management.

Provides MCP tools (bdm_search, bdm_get_provvedimento, bdm_check_session) to query the Italian public judicial database (Banca Dati di Merito) for civil court rulings using a session authenticated via CNS.

Enables ChatGPT users to explore a read-only US Census county atlas through MCP tools: select a county, ask questions about it, look up real Census town and place anchors, render voxel-style county maps with pan/inspect/pin interactions, and keep session-only notes in the chat. Covers the playable Riverside/Eastvale slice plus generated maps for all 3,222 supported counties, with honest labeling of generated geography outside the curated area.