json schema mcp servers

23 tagged json schema, measured the same way as everything else here.

avrotize

01

clemensv/avrotize

MCP server Claude CodeCodexCursor +2

Tools to convert from and to Avro Schema from various other schema languages. Runs locally from the avrotize Python package.

131 5d ago A tokens not measured original Apache-2.0

mif-tools

04

varun29ankuS/mif-spec

MCP server Claude CodeCodexCursor +2

MIF (Memory Interchange Format) — vendor-neutral memory portability for AI agents. Runs locally from the mif-tools Python package.

5 5mo ago A tokens not measured original Apache-2.0

cvjson

05

freecvorg/cv-json

MCP server Claude CodeCodexCursor +2

Search people open to work and fetch their machine-readable cv.json, from any AI assistant. Runs locally from the cvjson-mcp npm package.

4 1mo ago A tokens not measured original MIT

github-mcp-sketch

06

markadelnawar/github-mcp-sketch

MCP server Claude CodeCodexCursor +2

MCP proxy in front of the GitHub MCP that returns inferred schemas instead of raw JSON, plus a queryresponse tool for drilling back into cached values. Built on json-schema-sketch. Runs locally from the github-mcp-sketch npm package.

3 29d ago A tokens not measured original MIT

judgment-pack

07

Judgment-Pack/judgment-pack-runtime

MCP server Claude CodeCodexCursor +2

MCP server "judgment-pack" as configured in Judgment-Pack/judgment-pack-runtime. Runs in Docker (ghcr.io/judgment-pack/judgment-pack:0.9.0). Needs 1 environment variable to run.

2 7d ago A tokens not measured original Apache-2.0

hub

08

baohuiwb/toolapi

MCP server Claude CodeCodexCursor +2

Free public MCP for AI agents — 193 tools, 44 workflows. No API key. Remote server at toolapi.org.

2 2mo ago A tokens not measured

Tempguru-co/tempguru-agent-skills

MCP server Claude CodeCodexCursor

MCP server "tempguru-event-staffing", hosted remotely at mcp.tempguru.co, as configured in Tempguru-co/tempguru-agent-skills.

1 2mo ago A tokens not measured original MIT

json-contracts

11

json-contracts/json-contracts

MCP server Claude CodeCodexCursor

JSON contract registry and validator for structured LLM and agent outputs. Runs locally from the json-contracts npm package. Needs 1 environment variable to run.

1 3mo ago A tokens not measured

validate

12

machinegrade/validate

MCP server Claude CodeCodexCursor

Deterministic validation for AI-generated artifacts: JSON Schema, OpenAPI response, SQL syntax. Runs locally from the @machinegrade/validate npm package. Needs 2 environment variables to run.

1 1mo ago A tokens not measured original MIT

mcp-lint

13

robert19001-cmyk/mcp-lint

MCP server Claude CodeCodexCursor

Lint MCP tool schemas for cross-client compatibility and agent preflight safety. Runs locally from the mcp-lint npm package.

1 4mo ago A tokens not measured original MIT

agentbridge

14

marmar9615-cloud/agentbridge-protocol

MCP server Claude CodeCodexCursor

MCP server that exposes AgentBridge actions to AI agents with confirmation gates, origin pinning, and audit logging. Default stdio transport plus an opt-in Streamable HTTP transport with bearer auth. Runs locally from the @marmarlabs/agentbridge-mcp-server npm package.

1 1mo ago A tokens not measured original Apache-2.0

agent-output-guard

15

agenson-tools/agent-output-guard-mcp

MCP server Claude CodeCodexCursor

Validate and verify data from other agents before acting on it. Zero LLM costs. Runs locally from the @agenson-horrowitz/agent-output-guard-mcp npm package.

0 4mo ago A tokens not measured original MIT

beepboop2025/liquilens-evidence-carrier

MCP server Claude CodeCodexCursor

MCP server "liquilens-evidence-carrier" as configured in beepboop2025/liquilens-evidence-carrier. Launched with https://github.com/beepboop2025/liquilens-evidence-carrier/releases/download/v0..

0 3d ago A tokens not measured original Apache-2.0

phaedo-mcp

17

galavoxx/phaedo-mcp

MCP server Claude CodeCodexCursor

Carry your Phaedo cognitive fingerprint into any MCP client: style injection + decision consults. Runs locally from the phaedo-mcp npm package.

0 1mo ago A tokens not measured original Apache-2.0 archived

schema

18

rog0x/mcp-schema-tools

MCP server Claude CodeCodexCursor

JSON Schema, TypeScript types, mocks for AI agents. Runs locally from the @rog0x/mcp-schema-tools npm package.

0 5mo ago A tokens not measured

public-data-catalog

19

yhay81/public-data-catalog

MCP server Claude CodeCodexCursor

Reviewed public-data search and execution with provenance and verifiable integrity receipts. Remote server at public-data-catalog-mcp.yusuke8h.workers.dev.

0 23d ago A tokens not measured original MIT

mcp

20

hookline-org/mcp

MCP server Claude CodeCodexCursor

Hookline MCP — create webhook endpoints, inspect requests, and validate payloads from AI agents. Runs locally from the @hookline/mcp npm package. Needs 1 environment variable to run.

0 12d ago A tokens not measured

apitype

21

jayesh-bansal/apitype

MCP server Claude CodeCodexCursor

Generate TypeScript types, Zod schemas, TypeBox, and JSON Schema from any API endpoint or JSON — instantly. Works as a CLI, MCP server, Vite plugin, and GitHub Action. Runs locally from the @jayeshbansal/apitype npm package.

0 2mo ago A tokens not measured original MIT

hardened-mcp-server

22

jkelly-dev1/hardened-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "hardened-mcp-server" as configured in jkelly-dev1/hardened-mcp-server. Runs locally from the hardened-mcp-server Python package.

0 2d ago A tokens not measured original MIT

pdf-extract-mcp

23

Pranavdmg20/pdf-extract-mcp

MCP server Claude CodeCodexCursor +2

MCP server "pdf-extract-mcp" as configured in Pranavdmg20/pdf-extract-mcp. Runs locally from the pdf-extract-mcp Python package.

0 6d ago A tokens not measured original MIT