Lazareus MCP
Provides network health scores and priority fee recommendations for Solana, Base, and Ethereum, plus S3-compatible object storage. Designed for AI agents to check chain status before executing transactions or storing data, with payments handled via x402 protocol.
Endpoint and access
No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.
https://lazareus.xyz/mcpWhat its tools do
8 tools, grouped by the hints the server advertises. Hints are self-declared, not verified behavior.
Checks and signals
Each line is separate evidence, not a trust score.
- Passed Endpoint answered the live check ·
- Availability 1 of 1 checks passed in 30 days
What you can do with it
- Check Solana network health score before executing a transaction
- Get recommended priority fee for Base or Ethereum transactions
- Upload raw bytes to S3-compatible storage for AI agent use
Source and maintenance
Protocol and capabilities
- Server
- lazareus 0.3.0
- MCP protocol negotiated in check
- 2025-11-25
- Tools
- 8 advertised
- Resources
- Not advertised
- Resource templates
- Not advertised
- Prompts
- Not advertised
{
"tools": {
"listChanged": true
}
}Tools
8 advertised
get_network_health_solana
Returns a 0-100 Solana network health score plus the underlying metrics behind it. Useful before executing a timing-sensitive transaction. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}get_recommended_priority_fee_solana
Recommends a Solana transaction priority fee based on recent network activity, at low/medium/high confidence levels. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}get_network_health_base
Returns a 0-100 Base network health score plus the underlying metrics behind it. Useful before executing a timing-sensitive transaction. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}get_recommended_priority_fee_base
Recommends a Base transaction priority fee based on recent network activity, at low/medium/high confidence levels. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}get_network_health_ethereum
Returns a 0-100 Ethereum mainnet network health score plus the underlying metrics behind it. Useful before executing a timing-sensitive transaction. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}get_recommended_priority_fee_ethereum
Recommends a Ethereum mainnet transaction priority fee based on recent network activity, at low/medium/high confidence levels. Paid: $0.002 per call via x402.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"properties": {}
}store_object
Uploads a small base64-encoded object to S3-compatible storage. ~$1/GB, $0.01 minimum, capped at 4MB (larger files: use HTTP PUT /store instead). Returns a key for retrieve_object.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"content_base64"
],
"properties": {
"content_type": {
"type": "string",
"description": "MIME type, defaults to application/octet-stream"
},
"content_base64": {
"type": "string",
"description": "Base64-encoded bytes to store"
}
},
"additionalProperties": false
}retrieve_object
Retrieves a stored object by key, base64-encoded. Flat $0.01 per call. Objects over 4MB must be fetched via HTTP GET /retrieve instead.
{
"type": "object",
"$schema": "http://json-schema.org/draft-07/schema#",
"required": [
"key"
],
"properties": {
"key": {
"type": "string",
"description": "The key returned by store_object or PUT /store"
}
},
"additionalProperties": false
}Prompts
Not advertised
Resources
Not advertised
90-day uptime
A lightweight connection check about every six hours, sampled on hosts with many listings. It shows the server answered, not that its tools work.
- 2026-11-06: 1 of 1 checks answered
- 2026-11-07: 1 of 1 checks answered
30-day availability
Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.
- Successful checks
- 1 of 1 (100%)
- Average latency
- 628 ms
- 95th percentile latency
- 628 ms
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · probe · passed · 628 ms · metadata changed · 8 tool(s)
Connect from your client
Each snippet registers the same endpoint; pick the client you use.
Claude Code
claude mcp add --transport http lazareus-mcp https://lazareus.xyz/mcpCodex
codex mcp add lazareus-mcp --url https://lazareus.xyz/mcpCursor
{
"mcpServers": {
"lazareus-mcp": {
"url": "https://lazareus.xyz/mcp"
}
}
}Cline
{
"mcpServers": {
"lazareus-mcp": {
"type": "streamableHttp",
"url": "https://lazareus.xyz/mcp",
"disabled": false
}
}
}VS Code
{
"servers": {
"lazareus-mcp": {
"type": "http",
"url": "https://lazareus.xyz/mcp"
}
}
}Gemini CLI
gemini mcp add --transport http lazareus-mcp https://lazareus.xyz/mcpClaude Desktop
https://lazareus.xyz/mcpWindsurf
{
"mcpServers": {
"lazareus-mcp": {
"serverUrl": "https://lazareus.xyz/mcp"
}
}
}Let your agent find its tools
Find servers like Lazareus MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.