diff --git a/include/hammy/job.h b/include/hammy/job.h
new file mode 100644
index 0000000..5ac2ec2
--- /dev/null
+++ b/include/hammy/job.h
@@ -0,0 +1,16 @@
+#ifndef HAMMY_JOB_H
+#define HAMMY_JOB_H
+
+#include <concord/discord.h>
+#include <stdint.h>
+
+typedef struct {
+    char* token; // Interaction token
+    u64snowflake id; // Interaction ID
+    u64snowflake user; // Interaction User ID
+    char* command;
+    char** args; // Might be useful to parse into a struct someday? TODO
+    int64_t queued_at; // Staleness checks
+} hammy_job_t;
+
+#endif
diff --git a/include/hammy/pool.h b/include/hammy/pool.h
new file mode 100644
index 0000000..a7aca10
--- /dev/null
+++ b/include/hammy/pool.h
@@ -0,0 +1,23 @@
+#ifndef HAMMY_POOL_H
+#define HAMMY_POOL_H
+
+#include <hammy/job.h>
+#include <hammy/worker.h>
+#include <pthread.h>
+#include <stdint.h>
+
+typedef struct {
+    pthread_mutex_t lock;
+    pthread_cond_t notEmpty;
+    hammy_job_t** jobs; // ring buffer
+    size_t head;
+    size_t tail;
+    size_t count;
+    size_t cap;
+    bool shutdown;
+
+    hammy_worker_t* workers;
+    size_t nWorkers;
+} hammy_pool_t;
+
+#endif
diff --git a/include/hammy/worker.h b/include/hammy/worker.h
new file mode 100644
index 0000000..865ffa8
--- /dev/null
+++ b/include/hammy/worker.h
@@ -0,0 +1,17 @@
+#ifndef HAMMY_WORKER_H
+#define HAMMY_WORKER_H
+
+#include <concord/discord.h>
+#include <hammy/job.h>
+#include <pthread.h>
+
+typedef struct hammy_pool_t; // forward declare
+
+typedef struct {
+    pthread_t thread;
+    struct discord* clientCopy; // Clone of the client for concord threading safety
+    hammy_pool_t* pool;
+    int id;
+} hammy_worker_t;
+
+#endif