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PageSeeder Developer

Reference documentation, installation and configuration guides, the PSML format and the PageSeeder API, for developers building on PageSeeder.

For agents: PageSeeder developer docs covering installation, configuration, the PSML format and the PageSeeder API, plus installers and sample code.

pageseederpsml formatinstallation guidepageseeder apixml content management

Their llms.txt

The beginning of the file, from our validated copy saved 2026-10-27T17:23:27.248Z. Cached copy · Source on pageseeder.com

# PageSeeder Developer

> Reference documentation, installation and configuration guides, the PSML format and the PageSeeder API, for developers building on PageSeeder.

Full page content for the entire site: https://dev.pageseeder.com/llms-full.txt

## [Download](https://dev.pageseeder.com/download.md): Central repository for PageSeeder customization resources including tools, sample code, and documentation. Ideal for developers looking to extend PageSeeder functionality.
- [Installers](https://dev.pageseeder.com/download/install.md): Provides download links for PageSeeder installers and packages across versions, with guidance on installation and upgrade procedures. Recommends using the latest version for new deployments.
- [Documents](https://dev.pageseeder.com/download/documents.md): A collection of quick references, cheat sheets, presentations, and other documentation files organized for easy access and lookup.

## [PSML](https://dev.pageseeder.com/psml.md): PSML is PageSeeder's markup language for representing document content and metadata. It uses structural, presentation, and metadata elements organized in XML format with .psml file extension.
- [PSML elements](https://dev.pageseeder.com/psml/elements.md): A comprehensive reference guide listing all PSML v1.4 elements and attributes, organized into categories including structural, metadata, block-level, character-style, and context-specific elements for PageSeeder documents.
- [PSML datatypes](https://dev.pageseeder.com/psml/datatypes.md): This document describes the datatypes used for PSML attribute values, including XML schema types and PageSeeder-specific datatypes that extend XML primitives with additional constraints.
  - [PageSeeder datatypes](https://dev.pageseeder.com/psml/datatypes/pageseeder_datatypes.md): PageSeeder datatypes extend primitive types with patterns or enumerated values for use in XML documents. The guide defines over 30 datatypes including identifiers, alignment options, list types, and cross-reference configurations with their constraints and valid values.
  - [XML Schema datatypes](https://dev.pageseeder.com/psml/datatypes/xml_schema_datatypes.md): This document summarizes XML Schema datatypes used in PageSeeder, including boolean, dateTime, integer, long, NCName, positiveInteger, and string, with definitions and constraints for each type.
- [Universal format](https://dev.pageseeder.com/psml/universal_format.md): The Universal format is a file organization system in PageSeeder designed to improve data portability. It defines three levels: metadata format for non-PSML files, portable format for maximum fidelity, and processed format for output integration.
  - [Universal Processed Format](https://dev.pageseeder.com/psml/universal_format/universal_processed_format.md): Universal Processed Format is the refined output of processing Universal Portable Format, involving metadata stripping, xref resolution, numbering generation, and image reference handling. It cannot
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Machine-readable: GET /v1/resolve?q=pageseeder.com · GET /v1/domain/pageseeder.com · this page as Accept: application/json or text/markdown · MCP lookup_domain

Automatically discovered from public files. Inclusion does not imply endorsement or publisher participation.

Claim my listing on Agent Web Map for pageseeder.com:
1. POST https://agentwebmap.com/v1/sites/pageseeder.com/claims and keep claim_id and claim_secret private.
2. Publish the verification line "AgentWebMap verification: <token>" (token from step 1) in https://pageseeder.com/llms.txt, or use the DNS, meta-tag or well-known method the response describes. This only verifies the listing; your website and domain remain yours.
3. POST https://agentwebmap.com/v1/sites/pageseeder.com/verify with {"claim_id": "...", "claim_secret": "..."}.
4. Save the api_key from the answer; it manages the listing (PATCH https://agentwebmap.com/v1/sites/pageseeder.com).
MCP equivalent: tools begin_ownership_claim, then verify_domain, at https://agentwebmap.com/mcp. Docs: https://agentwebmap.com/docs#verify

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