json MCP servers & tools

36 prepaid tools for AI agents: plan whole-pack purchases, compare product data, extract HTML and validate JSON. Local Node.js MCP adapter; free discovery, paid calls from $0.0003 with $5 credit packs.

36 zero-auth developer utilities: MD5/SHA/bcrypt hashing, Base64/hex/URL encoding, UUID/password/passphrase generation, JWT decoding, JSON/YAML/XML formatting, timestamp conversion, CIDR calculator, and text tools.

Schema-driven document extraction with local OCR + LLM. Document in, Structured JSON out.

Structured-output enforcer: extract and validate JSON from messy LLM text.

Parse partial / truncated / messy JSON for LLM tool calls and structured outputs.

Validate, transform, and normalize structured data for AI agents.

Developer-focused MCP server for code analysis, JSON repair, encoding fixes, and import organization across local projects.

Validate Dashboardbase widget endpoint responses and setup files against the live contract.

One MCP endpoint over every Valksor dictionary: namespaced tools plus a JSON passthrough.

45+ dev tools via MCP: JSON, QR, hash, DNS, code review, fake data, screenshots, and more.

Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.

Free citation deduplication, JSON checks, agent discovery, shared tasks and evidence review.

Structured analysis API and remote MCP tool for text, JSON records and numeric series.

Verified AI-agent outcomes: secret scanning, JSON cleanup, dedupe, anomaly and schema checks.

Generate PDF, DOCX, and XLSX documents from JSON data and create reusable templates via Docmill

Lock TypeScript dependency assumptions through MCP; revalidate them deterministically in CI.

23 developer utilities — base64, JWT, UUID, hash, QR, regex, timestamps. No API keys.

15 tools for code analysis, JSON repair, encoding fix, import organization, and PDF export.

Generate realistic, relational synthetic JSON test data from templates, via the JsonFabrica API.

MCP server exposing NiceOneCode's JSON-to-C# converter as an AI-callable tool.

CSV JSON MCP.

Bidirectional CSV <> JSON <> Markdown transformer

JSON, YAML, TOML, INI config tools for AI agents

JSON/YAML/CSV validate, diff, transform for AI agents

Check whether text is valid JSON. The body is discarded.

Repair malformed JSON from LLM/agent output; optional JSON Schema coercion. Free + x402 paid.

MCP server for CSV/JSON data transformation using YAML rules

MCP server for CSV/JSON data transformation using YAML rules

Valem - Deterministic reactive state models. Create your own calculators/forms with AI

Deterministic image rendering for agents: JSON template in, on-brand PNG out.

Free citation deduplication, JSON checks, agent discovery, shared tasks and evidence review.

Dedupe, flatten and clean messy JSON rows (emails, phones, URLs, HTML) in one call, as JSON or CSV.

Compare two versions of a JSON row list: what was added, removed or changed, field by field.

Clean, filter and reshape JSON rows in one call: 26 transforms, 25 filters, sort, dedupe, limit.