CrabTalk

CrabTalk vs Cloudflare.

Workers + Durable Objects

CrabTalk packages tools, SQLite and call accounting into a service. Cloudflare combines Workers, named Durable Objects and SDKs for MCP and agents.

Which fits your work?

CrabTalk

  • Tools, state and call costs managed together
  • A shared deployment for several agents
  • Rust/Wasm fits your code

Cloudflare

  • Named state per room or user
  • WebSocket coordination and hibernation
  • An existing Workers application

Capabilities side by side.

CrabTalk and Cloudflare: tools, state, execution and deployment.
Capability CrabTalk Cloudflare
State identity One database per service deployment Storage per named Durable Object
Runtime Rust compiled to WebAssembly Workers runtime
MCP Shared discovery and calling endpoint Remote MCP templates and Agents SDK handler; persistent state through bindings
SQLite Deploy-time migrations; transaction per tool call SQLite and transactions within each object
Credentials Host sends secrets to declared destinations Workers secrets and application authentication
Scheduling Cron tools and scheduled wakes Cron Triggers and object alarms
Reuse Call a deployment or deploy a template Share endpoints, code and deployment configuration

One research library, two agents.

A researcher saves findings and an editor queries them by project. Both agents must reach the same records with the intended read/write access. If an existing MCP service provides those tools, connect both clients to it; neither platform requires a new deployment just to consume an endpoint. To host the library yourself:

CrabTalk

  1. Deploy a published template if it fits; otherwise write Rust tools and SQLite migrations
  2. Deploy one shared copy; configure tool access and the agents’ account keys
  3. Connect both agents to mcp.crabtalk.ai; search or read the service’s tools, then add and query findings

Cloudflare

  1. Start from a remote MCP template; implement add/query tools backed by a SQLite Durable Object
  2. Bind the object namespace, route both tools to the same library identity, and configure authorization
  3. Deploy the Worker and object; connect both agents to its MCP URL, then add and query findings

CrabTalk vs Cloudflare pricing.

CrabTalk

Go starts at $5/month and includes 20 billion rows read and 50 million written. Beyond the remaining allowance, row rates are $0.001/million read and $1/million written. Runs, CPU and memory have separate allowances; hosting storage is capped by plan capacity.

Cloudflare

Workers Paid starts at $5/month and includes 25 billion SQLite rows read and 50 million written. Row overage rates match CrabTalk’s. Worker requests and CPU, object requests and active duration, and stored data are separate meters. Workers Free has daily limits.

In the worked library example, 10 million queries scanning 10,000 rows each produce $80 of row overage on Go or $75 on Workers Paid. At 10 reads per indexed query and 100,000 inserts with one additional index write each, both fit within their row allowances. Counters are illustrative; this is not a total hosting bill. The general calculator excludes allowances, Worker CPU, billing-unit rounding and storage at rest.

Reproduce the index-cost calculation CrabTalk plans and rates Comparison methodology

Limits that affect the choice.

  • CrabTalk: at most 100 ms CPU and 128 MiB per tool budget; 10 GiB per service database, within plan capacity.
  • CrabTalk: per-user or per-room records live in your data model. Deployments do not create named objects automatically.
  • Cloudflare: each SQLite Durable Object stores up to 10 GB on Workers Paid or 1 GB on Free. Its default CPU limit is 30 seconds per invocation, configurable to 5 minutes; Worker limits apply too.

Questions about CrabTalk and Cloudflare.

Does Cloudflare already support MCP?

Yes. Cloudflare provides remote MCP templates and authentication support. Its current createMcpHandler is stateless and does not itself require a Durable Object. Persistent application data can live in a Durable Object, D1 or KV binding. This page compares the Durable Object option.

Is a CrabTalk service the same as a Durable Object?

No. CrabTalk addresses a deployment as owner/name. Cloudflare routes to named instances through a namespace. Both support persistent state.

Is CrabTalk always cheaper than Cloudflare?

No universal result follows from list rates. Allowances, concurrency, object lifetime and database activity change the bill. Include all components for your workload.

Sources.

Checked .

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