"An application or tool called 飞书 (Feishu)" matching MCP servers:

Enables agents to check third-party tool licenses, validate vendor policies, and issue license receipts before using external tools.

Deterministic SNAP eligibility logic, exposed as auditable Model Context Protocol tools. An AI agent can read, reason, and orchestrate, but the eligibility determination itself is made by versioned, tested, cited code that a caseworker, an auditor, or a court can inspect.

Enables AI agents to permanently remove personally identifiable information from PDF documents, returning redacted files with the sensitive text deleted rather than merely covered. Supports scanned documents, multiple languages, entity types, and optional human review.

Enables MCP clients to call an OFAC funds transfer authorization tool that returns a structured verdict, permitting transfers only if a version-pinned SDN screen returned CLEAR and COMPLETED before execution.

Document signing for AI agents. Send markdown or PDF for two-party e-signing with a single tool call — handles PDF generation, email verification, and SHA-256 certified delivery.

Manages patent application drafts via structured YAML and LaTeX sections, with tools for claims, figures, numerals, prior art, glossary, and export.

Pre-action compliance server that lets AI agents check whether an action is allowed, blocked, or flagged before executing, with signed evidence records for auditability.

Enables read-only consultation of official TRT14 tribunal process data through a hosted MCP server with a single tool, pay-per-use pricing, and no platform credentials required.

MCP server that enables querying official Paraná state tax debt clearance certificates (Certidão Negativa de Débitos) via a single read-only tool.

Computes the sum of dictionary values for keys less than or equal to a given key, treating the dictionary as sorted by key order. Returns 0 for an empty dictionary or when no keys satisfy the condition.

MCP server to validate Brazilian fiscal documents (NF-e and NFS-e) locally before transmission, offering actionable feedback without requiring certificates or sending data anywhere.

Enables AI agents to run pay-per-call checks on US freight carriers and brokers, OFAC sanctions lists, and African FX rates using x402 micropayments or a prepaid pass without an API key.

Enables consulting legal proceedings from the TRT17 Brazilian labor court through official sources. It provides a read-only MCP tool that works with any MCP-compatible client.

Enables querying and requesting official certificates from the Tribunal de Justiça de Santa Catarina (TJSC) via a read-only tool, using prepaid credits and MCP over HTTP.

MCP server to query official CVM (Brazilian Securities Commission) judged sanctioning processes, read-only, with a single tool for consulting sanctioned cases.

Enables querying labor court (TRT7) legal proceedings from official sources via a read-only MCP tool, with usage-based prepaid credits.

Enables querying SINTEGRA Paraná state tax registration data through official sources. Provides a single read-only tool that works with any MCP client.

Exposes a check_ad_copy tool over stdio for LLM assistants to lint Korean cosmetics and health-food marketing copy for prohibited claims.

Enables compliance due diligence by identifying the ultimate beneficiary of a Brazilian company or individual from CNPJ or CPF. It is a read-only MCP server that works with any MCP client, using prepaid credits per query.

Enables consultation of Electronic Labor Lawsuit Certificates (CEAT) from the Regional Labor Court of the 20th Region (TRT20) via an official source, with a single read-only tool and prepaid pay-per-use.